General ESAS Flashcards

(852 cards)

1
Q

In a computer, ______ is capable to store single binary bit.

A

flip flop

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2
Q

ASCII stands for

A

American Standard Code for Information Interchange

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3
Q

It can be used for erasing and reconstructing the contents of ROM

A

EPROM (Erasable Programmable Read-Only Memory)

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4
Q

It is the representation of the system being designed.

A

Interpreter

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5
Q

Which memory has the shortest access times?

A

Cache memory

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6
Q

A set of flip flops integrated together is called _______.

A

register

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7
Q

When a man on a frictionless rotating stool extends his arms horizontally, his rotational kinetic energy:

A

must decrease

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8
Q

Find the range x of a gun which fires a shell with muzzle velocity v at an angle of elevation θ.

A

x = (v²sin2θ)/g

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9
Q

A register organized to allow to move left or right operations is called a ______.

A

shift register

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10
Q

What does DMA stand for?

A

Direct Memory Access

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11
Q

A ________ converts the whole of a higher level program code into machine code in one step.

A

compiler

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12
Q

The BIOS is the abbreviation of _______.

A

Basic Input Output System

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13
Q

A disk starts from rest and rotates about a fixed axis, subject to a constant net torque. The work done by the torque during the second revolution is ______ as the work done during the first revolution.

A

the same

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14
Q

When a key is pressed on the keyboard, which standard is used for converting the keystroke into the corresponding bits?

A

ANSI

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15
Q

What do you call the programs that are used to find out possible faults and their causes?

A

Diagnostic software

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16
Q

What do you call the translator which takes assembly language program as input and produce machine language code as output?

A

Assembler

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17
Q

A man, with his arms at his sides, is spinning on a light frictionless turntable. When he extends his arms his rotational momentum ____________

A

remains the same

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18
Q

Which device can understand difference between data and programs?

A

Microprocessor

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19
Q

Which of the following memories need refresh?

A

DRAM

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20
Q

The noble gas which is present in microscopic quantities in air is

A

xenon

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21
Q

The imaginary line tangent to which at any point indicates the direction of motion at that point is called ______.

A

stream line

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22
Q

Ozone occurs in the upper layers of air in the atmosphere because

A

ultra-violet light is present only in the upper layers

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23
Q

Water always contains hydrogen and oxygen in the ratio 1:8 by weight. This is in accordance with the

A

Law of Definite Proportions

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24
Q

Which one of the following gases is extremely soluble in water?

A

Ammonia

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25
This substance deforms continuously under the application of a shear force. It cannot sustain a shear force at rest.
Fluid
26
The freezing point of water at 760 mm pressure is
273 K
27
The volume of fluid that flows through a section of a channel or pipe per unit time, in m³/s is called ______.
discharge
28
A centrifugal pump in which the driving unit is supported by the pump having its suction and discharge flanges approximately at the center.
In-line pump
29
The volumetric change of the fluid caused by a resistance is known as ______.
adhesion
30
The atomic number of an element represents:
the number of protons in the nucleus
31
The flow of fluid or stream which may be represented by a curve is _______.
two-dimensional flow
32
The instantaneous positions of all fluid particles that pass through a given point is ______.
streak line
33
The equation which states that the total energy in the steady flow of a frictionless and incompressible fluid is constant is the _______.
Bernoulli`s equation
34
The property of a fluid with its molecules attracted to each other is called _____.
Cohesion
35
The function of nitrogen in air is
to make air a moderate supporter of combustion
36
A water that is available from a well, driven into water-bearing subsurface strata is ______.
ground water
37
In the common soda-acid fire extinguisher, the fire is put out by
carbon dioxide
38
The most abundant noble gas present in air is
argon
39
The flow in which the quantity of fluid per unit time is not constant is called ______.
unsteady flow
40
“Pressure set up in a confined liquid acts equally in all directions, and always at right angle to the containing surfaces” is known as ______.
Pascal`s law
41
The flow in which the quantity of fluid per unit time is constant is called ______.
steady flow
42
What is 'oxygen mixture'?
A mixture of potassium chlorate and manganese dioxide
43
What is the radius of a solid round conductor, which is the nearest equivalent of a stranded conductor whose total area is exactly 8.0 mm²?
3.191 mm
44
What is the maximum rating of a molded case circuit breaker to protect a 10 hp squirrel cage induction motor rated at 230 volts, 3-phase, 60 Hz with a full load rating of 28 A?
70 A
45
Instrument pilot lights and potential transformers shall be protected by OCD of ______ amps or less.
15
46
Overhead spans of open conductors and open multiconductor cables not over 600 volts shall have a vertical clearance of not less than ______ above the roof surface.
2500
47
The Philippine Electrical Code, Part 1 does not cover wiring of equipment installed within or to or from one of the following. Which one is this?
Airplanes
48
Live parts of generators operated at more than ____volts to ground shall not be exposed to accidental contact where accessible to unqualified persons.
50
49
In a battery room, it is important that no hot spot due to loose connections or sparking will occur, due to a serious event may happen. What can this be?
An explosion might follow
50
For swimming pool water heaters rated at more than ____amperes that have specific instructions regarding bonding and grounding, only those parts designated to be bonded shall be bonded, and only those parts designated to be grounded shall be grounded.
50
51
The primary winding of a step down transformer shall be protected on the primary side by overcurrent device rated NOT more than a certain percentage of the primary current. What is this percentage?
125%
52
The adjustable speed drive incoming branch circuit or ______ to power conversion equipment included as a part of an adjustable speed drive system shall be based on the rated input to the power conversion equipment.
feeder
53
A means shall be provided in each metal box over 100 cubic inches for the connection of an equipment grounding conductor. The means shall be permitted to be ______. I. a tapped hole II. the cover screw III. a screw used to mount the box
I only
54
If a switch or circuit breaker serves as the disconnecting means for a permanently connected motor driven appliance of more than _____horsepower, it shall be located within sight from the motor controller.
1/8
55
Torque motors are rated for operation ______.
at standstill
56
Listed or labeled equipment shall be installed, used, or both, in accordance with ______.
the instructions included in the listing or labeling
57
Busways shall not be installed in the following EXCEPT ______.
where they are located in the open and visible
58
For the installations of 2.0 mm² conductors in 600-volts circuits. What is the minimum insulation resistance allowed by the Philippine Electrical code?
500,000 ohms
59
A grounding electrode connection that is encased in concrete or directly buried shall ______.
not be required to be accessible
60
Any motor application shall be considered as ____ unless the nature of the apparatus it drives is such that the motor will not operate continuously with load any condition of use.
continuous duty
61
The lead wires of heating cables are color coded for ____identification.
voltage
62
Insulators used to support wires under cross arm are called ______.
suspension
63
Open conductors passing over residential driveways and those commercial areas not subject to truck traffic where the voltage exceeds 300 V to ground shall have vertical clearance of ______.
4,600 mm
64
Where single conductors #1/0 through 4/0 are installed in a ladder or ventilated trough cable tray they shall be installed in no more than ______. I. a depth of 4” II. a depth of 6” III. a single layer
III only III. a single layer
65
When alternating current flows through a conductor, there is an inductive action that causes the current in the conductor to be forced toward the outer surface. The current is greater at the surface that at the center of the conductor, this, _______ will cause the resistance in the conductor to increase due to the increased heating of the conductor.
skin effect
66
In starting a large DC motor, a starter is primarily used in order to _____.
limit the starting current
67
A device actuated by the operation of some devices with which it is directly associated, to govern succeeding operations of some or allied devices.
Relay
68
The number of degrees of freedom of a triatomic molecule is:
9
69
To help keep buildings cool in the summer, dark colored window shades have been replaced by light colored shades. This is because light colored shades:
reflect more sunlight
70
Which of the following does NOT produce vacancies, interstitial defects, or impurity defects in a material?
Slow equilibrium cooling
71
Inside a room at a uniform comfortable temperature, metallic objects generally feel cooler to the touch than wooden objects do. This is because:
metal conducts energy better than wood
72
In an ideal gas mixture of constituents i and j, what is the mole fraction of component i, x_i, equal to? Underscore in refers to subscript
p_i/(p_i + p_j)
73
There is a temperature at which the reading on the Kelvin scale is numerically:
equal to that on the Fahrenheit scale
74
How is the quality, x, of a liquid-vapor mixture defined?
The fraction of the total mass that is saturated vapor.
75
As the amount of slip increases, additional deformation becomes more difficult and decreases until the plastic flow finally stops. Slip may begin again only if a larger stress is applied. What is this phenomenon known as?
Strain hardening
76
An engine that in each cycle does positive work and rejects thermal energy, with no thermal energy input, would violate:
the first law of thermodynamics
77
The general energy equation for an open system involves the following five terms: I. Accumulation of energy II. Net energy transfer by work (standard sign convention) III. Net energy transfer by heat (standard sign convention) IV. Transfer of energy in by mass flow V. Transfer of energy out by mass flow Using the standard sign conventions, what is the proper arrangement of these terms for the general energy equation satisfying the first law of thermodynamics?
I = - II + III + IV – V
78
The compressibility factor, Z, is used for predicting the behavior of nonideal gases. How is the compressibility factor defined relative to an ideal gas? Subscript “c” refers to critical value.
Z = pV/RT
79
When two gases separated by a thermally conducting wall are in thermal equilibrium with each other:
only their temperatures must be the same
80
Which of the following sets of reversible processes describes an ideal Otto cycle? I. Adiabatic compression, constant volume heat addition, adiabatic expansion, constant volume heat rejection II. Isothermal compression, isobaric heat addition, isothermal expansion, isobaric heat rejection
I only
81
The change in entropy is zero for:
reversible adiabatic processes
82
What is the temperature difference of the cycle if the entropy difference is ∆S and the work done is W?
W/∆S
83
The first law of thermodynamics is based on which of the following principles?
Conservation of energy
84
The term generally associated with the science of the force exerted by water in motion, such as driving a turbine connected to an electric generator.
Hydrodynamics
85
An exposed or enclosed upright panel carrying switches and other protective, controlling and measuring devices for electric machinery and equipment.
Switch board
86
It is a type of RAM that uses a capacitor to store each bit. The problem is that the capacitor loses the charge very quickly. Therefore, this type of RAM has to be refreshed to keep the data valid.
DRAM
87
The range of specific speed for a radial-type centrifugal pump:
500 to 3000 rpm
88
The surge arrester for devices less than 1,000 volts connected by copper conductor to ground electrode conductor or equivalent grounding terminal shall NOT be smaller than ______.
2.0 mm²
89
A shaft made of good quality steel breaks in half due to fatigue. What would the surface of the fracture site look like?
Smooth over most of the surface, with tearing at the location of fracture
90
For a fluid, viscosity is defined as the constant of proportionality between shear stress and what other variable?
Spatial derivative of velocity
91
EMT shall not be used _____.
where protected from corrosion solely by enamel
92
A circular shaft subjected to pure torsion will display which of the following?
Maximum shear stress at the outer fibers.
93
The acronym RDRAM refers to
Rambus Dynamic Random Access Memory
94
Which dimensionless number represents the ratio of inertial forces to gravitational forces?
Froude number
95
The group of metals that include lithium, sodium, potassium, rubidium and cesium forms a closely related family known as the
alkali metals
96
The branch circuit load for continuous duty receptacles shall be calculated at ________ VA per receptacle.
180
97
Which of the following types of memory is lost when the power is removed?
RAM
98
Vertical clearances of all service drop conductors above roofs shall NOT be less than one of the following values.
2,500 mm
99
Which of the following is NOT a unit of work?
dyne
100
Metal surface raceways having splices and taps shall be permitted as long as the splices and taps and conductors do not fill the raceway more than _____ percent of the area of the raceway at that point.
75
101
How are lines of constant pressure in a fluid related to the force field?
They are perpendicular to the force field.
102
Which of the following best defines a nibble?
Haft a byte of memory
103
This group of elements readily accept an electron from another atom to form compounds.
Halogens
104
True or False: | In a cylindrical tank both longitudinal and tangential stresses are dependent on the radius of the vessel.
True
105
The Sundry Provision relative to the practice of Electrical Engineering is stated in what article of R. A. No. 7920?
Article IV
106
Kinematic viscosity can be expressed in which of the following units?
m²/s
107
Does twinning frequently occur in hexagonal close-packed structures?
Yes
108
Software that is used to translate high-level language to machine code.
Compiler
109
Surface tension has which of the following properties? I. It has units of force per unit length. II. It exists whenever there is a density discontinuity. III. It is strongly affected by pressure.
I and II
110
Rule 23 of Article V of the IRR of R. A. 7920 – Issuance and reissuance of Certificate of Registration and Professional License states that “The Professional License shall be renewed every _____ years on the birthmonth of the PEE, REE or RME upon compliance with Continuing Professional Development requirement, unless exempted therefrom, and upon payment of the annual registration fees.
three
111
Which of the following is qualified as the Chairman of the Continuing Professional Development Council for Electrical Engineering?
PRBEE member
112
What refers to a slender member which prevents parts of a structure moving to each other under compressive stress?
Strut
113
To ease with which dislocations are able to move through a crystal under stress accounts for which of the following? I. Ductility II. Lower yield strength III. Hardness
I and II
114
Which of the following is the definition of a joule?
A N∙m
115
Which of the following is the computer language that is executed within a computer’s central processing unit?
Machine language
116
What is the absolute velocity of a real fluid at a surface?
The velocity of the surface.
117
Dry type transformer rated over _____ volts, shall be installed in vaults.
35,000
118
Where galvanized steel conduit is used, the primary purpose of galvanizing in which one of the following?
It retards rusting.
119
Which of the following is NOT an advantage of a superheated, closed Rankine cycle over an open Rankine cycle?
Increased boiler life
120
If the shear stress in a fluid varies linearly with the velocity gradient, which of the following describes the fluid?
It is a Newtonian fluid.
121
Wirings allowed to be installed outside the buildings are enumerated below EXCEPT one. Which one is this?
Flat conductor cable
122
Which of the following statement/s about sound is/are true? I. All sounds are produced by the vibration of bodies. II. Sound cannot travel through a vacuum. III. Sound can be transmitted through some materials.
I, II and III
123
A description of the arrangements of atoms or ions in a material is called ______.
structure
124
The term of office of the Board is stated in what section of R. A. No. 7920?
Section 6
125
A projectile is fired with a velocity v, perpendicular to a surface that is inclined at an angle θ with the horizontal. Determine the expression for the distance R (from point it was fired to the point of impact, measured along the incline).
R = (2v² sin θ)/(g cos² θ)
126
To which of the following can the large discrepancy between the actual and theoretical strengths of metals mainly be attributed?
Dislocation
127
What is the MAXIMUM distance from the flooring to the receptacle outlet in dwelling unit in mm?
1800
128
What information normally would not be transmitted on a microprocessor’s control bus?
Contents of data registers
129
How does an adiabatic process compare to an isentropic process?
both: heat transfer = 0; isentropic: reversible
130
What is the maximum allowable voltage drop from the main circuit breaker to the farthest lamp?
5%
131
Ductility is expressed in terms of _______.
percent elongation or percent area reduction from a tensile test
132
What law states that for all adiabatic process between two specified states of a close system, the net work done is the same regardless of the nature of the closed system and the details of the process?
First Law of Thermodynamics
133
Which work mode is a nonequilibrium work mode?
Energizing an electrical resistor
134
The shape of the bending moment diagram over the length of beam, having no external load is always ______.
linear
135
Which of the following best defined the phrase “likely to become energized”?
Failure of insulation
136
Who is the present Chairman of the Board of Electrical Engineering?
Francis Mapile
137
Convection heat transfer involves both:
Conduction and advection
138
What refers to the establishing interrelationships between people and things in such a way that human and material resources are effectively focused toward achieving the goal of the company?
Organizing
139
Which of the following in the thermodynamics is considered as the heat content of a system?
Enthalpy
140
Electrical equipment must be grounded to ensure that dangerous voltage on metal parts resulting from a ground fault can be reduced to a safe value. I. True II. False
II only
141
How tall does a wall mirror have to be in order for you to see all of yourself in the mirror? Imagine you stand a distance “d” from the mirror and your height is “h” and L is the length of mirror required.
L = 1/2 h
142
The electric power industry was divided into four sectors by R. A. 9136 namely: generation, transmission, distribution and _______.
supply
143
A megabyte is exactly ______ bytes.
1,048,576
144
When the current in an electrical circuit is given multiple paths on which to flow, current will take:
All available paths
145
The Chairman and members of the Board of Electrical Engineering are appointed by _______.
President of the Philippines
146
What refers to the point in which bending moment changes sign through a zero value in strength of materials?
Point of contraflexure
147
What physical property of a material that refers to the point at which a material liquefies on heating or solidifies on cooling?
Melting point
148
Which of the following would be identified with a control volume in thermodynamics?
Filling a tire with air at a service station
149
Which of the following material has the least modulus of elasticity?
Glass
150
Branch circuit conductors supplying a single motor shall have an ampacity of how may percent of its rated full-load current?
125%
151
The ratio of shear stress to shear strain is called:
Modulus of rigidity
152
“The earth” best defines of which of the following term?
Ground
153
The PEC Part 1 2017 Edition is intended as a design specification or an instruction manual to qualified person. I. True II. False
I only
154
The amount of property in which a willing buyer will pay to a willing seller for the property when neither one is under the compulsion to buy nor sell is called _____ value.
market
155
Which is NOT a characteristic of ionic compounds?
They have low boiling point.
156
Which of the following is a natural magnet?
Lodestone
157
What is another term for modulus of rigidity?
Shear modulus
158
HTTP:// is an identifier that appears at the beginning of most Web page. What does HTT stands for?
Hypertext Transfer Protocol
159
What technique a manager must use if he decides to absorb the risk in the project?
Create buffer in the form of management reserve or extra time in schedule
160
What is a coal that has been previously burned in an oxygen-poor environment?
Coke
161
Which of the following reason/s why reactions generally proceed faster at higher temperature? I. The molecules collide more frequently. II. The activation energy is less.
Both I and II
162
Reynold’s number is the ratio of ______ to ______ in a liquid.
inertial force; viscous force
163
Risk management is:
controlling risk
164
An engineer is required to finish a certain engineering job in 20 days. He is said to be _____ if he finished the job within the required period of 20 days.
effective
165
The usual function of a disconnect switches in high voltage circuits is to ______.
isolate from energized buses, equipment which are not in service
166
Which of the following are used in designing and documenting complex processes or programs that help to visualize what is going on and thereby help the viewer to understand a process or algorithm?
Flowcharts
167
What is the interest accrued over the interest period is also subject to the interest rate in the next period?
Compound interest
168
What is the standardized communication technique for expressing instructions to a computer?
Programming language
169
What does R. A. 9136 stand for?
Electric Power Industry Reform Act of 2001
170
Which of the following done “NOT” affect the owner’s equity?
License to start the business
171
In thermodynamics our attention is focused on which form of energy?
Internal energy
172
What law of nature underpins the concept of a balanced chemical equation?
Law of conservation of mass
173
What refers to the luminous flux emitted by a light source per watt of power input?
Luminous efficiency
174
The point that connects the saturated liquid line to the saturated vapor line is called the ______.
critical point
175
Which of the following refers to the parallel axis theorem for second moment of area for strength of materials?
Steiner`s theorem
176
The following valves are used for shut-off service. Which one is NOT included?
Plug cock
177
Which of the following is a quasiequilibrium process?
Compression of air in a cylinder
178
Which of the following Republic Act that provide framework for the restructuring of the electric power industry including the privatization of the assets of NPC, the transition to the desired competitive structure?
9136
179
An adiabatic process is characterized by which of the following?
The heat transfer is zero.
180
“An external pressure exerted on a fluid is transmitted uniformly throughout the volume of the fluid”. This statement is known as ______.
Pascal`s principle
181
Buying insurance is a form of:
Risk sharing
182
What refer to ions that are NOT involved in the overall reactions?
Spectator ions
183
The clearance between conductors and roof where the service conductors are passing over roofs must be ______ mm.
2500
184
Which of the following does NOT transfer work to or from a system?
A membrane that bursts
185
What is the standard color for safety signages to indicate the presence of radiation hazards example in the X-ray laboratory in the hospital?
Purple with combination of yellow
186
The mathematical expression (1 + i) raised to n in Engineering Economics is referred to as the _______.
compound amount factor
187
What is the classification of a turbine if the water moves along the vanes toward the axis of rotation of the runner?
Axial flow
188
What do you call the ability to convert assets to cash quickly?
Liquidity
189
Encryption can provide all of the following features of information systems security EXCEPT _________.
privacy
190
What is the metal used to recover copper from a solution of copper sulphate?
Fe
191
What is the principle works in the hydraulic brakes of an automobiles?
Pascal`s Law
192
If you are appointed as a division manager, which of the following task is MOST likely you will do?
Set goals
193
Which of the following cast iron is heat-treated for ductility?
Malleable iron
194
Which of the following portion of hard disk space served as RAM?
Virtual memory
195
What is defined as the work done on a unit volume of a material, as a simple tensile force is gradually increased from zero to the value causing the material to rupture?
Modulus of toughness
196
Which of the following anchor is designed for medium and heavy weight fastening in solid materials?
Stud-bold anchor
197
The center of mass of a system particles will _________ if it is initially at rest and the external forces sum to zero.
remain the same
198
The demarcation between laminar and turbulent flow is:
Critical Reynolds number
199
The first metal used by man was _______.
copper
200
The ratio of current assets (exclusive of inventory) to total current liabilities.
acid test ratio
201
The wound spring of a clock possesses:
potential but no kinetic energy
202
A ball is thrown upward into the air with a speed that is greater than terminal speed. It lands at the place where it was thrown. During its flight the force of air resistance is the greatest:
just after it is thrown
203
Which one of the following is standard temperature and pressure (STP)?
0°C and one atmosphere pressure
204
What is the temperature rating of THW insulation?
75°C
205
A watt · second is a unit of:
energy
206
In this pump, the head developed is due to the push of the vanes and flow is almost entirely axial.
propeller-type impeller centrifugal pump
207
The __________ of a rocket is the force of the exiting fuel gases on the rocket
thrust
208
What is the strong bond between hydrogen atoms called?
The covalent bond
209
The grounded conductor of a mineral-insulated, metal-sheathed cable shall be identified at the time of installation by ______ marking at its termination.
distinctive
210
Which statement is true for a fluid?
It cannot sustain a shear force at rest.
211
Any unguarded metal sheathed service cable, service conduits, metal fixtures and similar noncurrent carrying parts, if located in urban districts and where liable to be charge to more than a certain voltage to ground shall be isolated or guarded so as not to be exposed to accidental contact by unauthorized persons. What is this voltage?
300 V
212
Two thin converging lenses of focal lengths f₁ and f₂ are coaxial and placed very close together. What is the effective focal length of the combination?
(f₁f₂)/(f₁ + f₂)
213
What is the most abundant rare gas in the atmosphere?
Ar
214
The bulk modulus is a proportionality constant that relates the pressure acting on an object to:
the fractional change in volume
215
The gravitational constant G has the derived units:
N · m²/kg²
216
The Central Processing Unit of the computer is a combination of _______.
arithmetic logic and control unit
217
A disk is free to rotate on a fixed axis. A force of given magnitude F, in the plane of the disk, is to be applied. Of the following alternatives the greatest rotational acceleration is obtained if the force is:
applied tangentially at the rim
218
When the speed of a rear-drive car is increasing on a horizontal road the direction of the frictional force on the tires is:
backward for the front tires and forward for the rear tires
219
A wheel starts from rest and spins with a constant rotational acceleration. As time goes on the acceleration vector for a point on the rim:
increases in magnitude and becomes more nearly radial
220
The branch circuit load for drying equipment is the larger of either the VA rating of the nameplate or ________.
5,000 VA
221
In each conduit run entering an enclosure for switches, circuit breakers, relays and others that may produce high temperatures, seals on the conduit shall be installed with a certain length before entering the enclosure. What is this length?
460 mm
222
Type SE service entrance cable shall be permitted in interior wiring system where all of the circuit conductors of the cable are of the _______ type. I. Rubber-covered II. Thermoplastic III. Metal
I and II only
223
The type of pump operating with a speed of 1150 rpm, capacity of 3500 gpm, and a total head of 100 ft is the ______.
Francis-type pump
224
The speed of a sinusoidal wave on a string depends on:
the tension in the string
225
What is otherwise known as Electric Power Industry Reform Act of 2001?
R. A. No. 9136
226
It is a fluid flow where the density cannot change with time or location
incompressible flow
227
In sound this refers to the combination of two waves of slightly different frequency
Beats
228
Surface tension has which of the following properties? I. It has units of force per unit length. II. It exists whenever there is a density discontinuity. III. It is strongly affected by pressure.
I and II I. It has units of force per unit length. II. It exists whenever there is a density discontinuity.
229
An oscillator is subjected to a damping force that is proportional to its velocity. A sinusoidal force is applied to it. After a long time:
its amplitude is constant
230
An electrician should consider all electrical equipment live unless he definitely knows that they are not. The main reason of this practice is to avoid:
Personal injury
231
Bernoulli's equation can be derived from the conservation of:
energy
232
Which material type usually has a higher index of refraction?
Denser materials
233
Section 35 of R. A. No. 7920 is about _______.
Practice Not Allowed for Firms and Corporations
234
The R. A. 7920 consists of how many sections?
45
235
Power and control tray cables (type TC) maybe used where installed in industrial establishment where a registered master electrician will service the installation
True
236
Vertical clearances of all the service drop conductors above roof shall NOT be less than one of the following values.
2,500 mm
237
At points in a sound wave where the gas is maximally compressed, the pressure
is a maximum
238
Possible units for the coefficient of volume expansion are:
1/°C
239
Service overhead conductors to a building or other structure (such as a pole) on which a meter of disconnecting means is installed shall be considered as a ______and installed accordingly.
service drop
240
Each member of the board of EE should be a natural born Filipino citizen and a resident of the Philippines for at least _____ consecutive years.
5
241
What is the heaviest subatomic particle?
Neutron
242
Wet niche or no niche lighting fixtures that are supplied by a flexible cord or cable shall all exposed noncurrent carrying metal parts grounded by an insulated copper equipment grounding conductor not smaller than the supply conductors and not smaller than _____.
#16
243
Constant-volume gas thermometers using different gases all indicate nearly the same temperature when in contact with the same object if:
the particle concentrations are all extremely small
244
Consider two imaginary spherical surfaces with different radii, each centered on a point sound source emitting spherical waves. The power transmitted across the larger sphere is ______ the power transmitted across the smaller and the intensity at a point on the larger sphere is ______ the intensity at a point on the smaller.
the same as, less than
245
It is the pool of storage for the CPU and can be written to/read from in any order.
RAM
246
In order that a single process be both isothermal and isobaric:
a change of phase is essential
247
It is a single suction pump having its suction nozzle on the opposite side of the casing from the stuffing box and having the face of the suction nozzle perpendicular to the longitudinal axis of the shaft.
End suction pump
248
It is the memory that has imprinted in it data and programs for the CPU which cannot be erased or written to.
ROM
249
Which of the following circuits is used as a “memory device” in computers?
Flip flop
250
Which of the following memory is non-volatile?
ROM
251
The R. A No. 7920 was approved on ______.
February 24, 1995
252
Mechanical losses in centrifugal pumps include the frictional losses in the bearings and packing boxes and are usually taken to be _______ percent of the brake power.
2 to 4
253
A manufactured assembly designed to support and energize lighting fixtures that are capable of being readily repositioned is ______.
lighting track
254
An electronically actuated fused generally consists of an interrupting module that interrupts current when an overcurrent through it
False
255
The flow in which the paths of the individual particles of fluid do not cross each other.
Laminar flow
256
All successful candidates in the examination shall be required to take a professional oath before the Board or any government official authorized to administer oaths prior to entering upon the practice of professional electrical engineer, registered electrical engineer, and registered master electrician. This is found in what section of R. A. No. 7920?
Section 22
257
The mass number of an atom is equal to:
the number of nucleons
258
What percent of the human body is carbon?
18%
259
What is Section 40 of the R. A. 7920 about?
Penalty Clause
260
Which is the basis for Bernoulli’s law for fluid flow?
Principle of conservation of energy
261
A device used to determine the specific gravity of liquids.
Hydrometer
262
The chairman and members of the board is appointed by _______.
President of the Philippines
263
Where receptacles are connected to a 30-A branch circuit, the maximum allowable cord and plug connected load shall not be more than _____.
24
264
The vertical difference between the pumping water level and the static water level.
Drawdown
265
The specific speed of a Francis-type impeller centrifugal pump ranges from:
1 500 to 4 500 rpm
266
Under what condition is mass conserved in fluid flow?
It is always conserved.
267
What form of software can also be called firmware?
System BIOS
268
For raceway 20 mm trade size or larger containing conductors 22 mm² or larger, the minimum length of the box in straight pulls shall NOT be less than _______ times the trade diameter of the largest raceway.
8
269
The overall energy program formulated and updated yearly by the DOE and submitted to Congress pursuant to R. A. No. 7638 is the _______.
Philippine Energy Plan (PEP)
270
A substance formed by the union of two or more chemical elements in a definite proportion that can be only be separated by chemical means.
compound
271
True of False: | The use of an inductive ballast for fluorescent lamps is usually because it is the most efficient.
False
272
One nibble is equal to ______.
4 bits
273
Rigid non-metallic conduit approved for direct burial without concrete encasement shall have a minimum burial of _____.
460 mm
274
Who are exempted from examination and registration under the R. A. No. 7920?
Foreign Electrical Engineers employed as technical consultants
275
Pascal-second is the unit of:
Dynamic viscosity
276
If the Reynold's number is less than 2000 then it is a ______ flow
Laminar
277
If the Reynold's number is greater than 2000 but less than 4000 then it is a _______ flow
Transitional flow
278
If the Reynold's Number is greater than 4000 then the flow is _____
Turbulent
279
What is the definition of pressure?
Limit of force/area as area approaches zero
280
It is the kind of flow when the velocity of successive fluid particles, at any point, is the same at successive periods of time
Steady flow
281
An ideal fluid is _____.
frictionless and incompressible
282
It is a substance that cannot remain at rest under action of any shear force
Fluid
283
What is the unit of kinematic viscosity?
cm²/s
284
The region between the separation streamline and the boundary surface of the solid body is known as _____.
wake
285
Is it true that Blasius boundary layer solution is valid only for potential flow.
No
286
The center of buoyance always:
Coincide with the centroid of the volume of fluid displaced
287
An aspirator of vacuum pump that creates a negative pressure on the filtrate side of the filter to hasten the process of filtering.
Filter pump
288
The mechanics of water or other liquids whether at rest or in motion is known as:
Hydraulics
289
Transformer exceeding 112.5 kVA, shall not be located within ______ from combustible materials on the building.
300 mm
290
An equation for fluid flow based on the first law of thermodynamics which states that the heat input into the system added to the work done on the system is equal to the change in energy of the system.
Energy equation
291
As a general rule, equipment rated 1,000 A or more and measuring more than 1,900 mm wide, containing OCD, shall have an entrance at both ends of the switchboard room. The width and height of each entrance shall NOT be less than the following dimensions. Which one is correct?
600 mm wide and 2,000 mm high
292
Feeders should be of such size that the voltage drop up to the final distribution panel should NOT exceed:
3 %
293
In all case where there are energized parts on the front of the switchboard or motor control centers, the working space in front of such equipment shall NOT be less than a minimum distance. What is this distance?
1,000 mm
294
There are situations where deviations from the code requirements are necessary. Before such deviations are made, there must be a written permission from one of the following entities. Which one is this?
Board of Electrical Engineering
295
When pulling wires into a conduit, a certain percent of the conduit area should unoccupied. What is the purpose of this?
To allow pulling in the wire without strain on the conductors or abrasion
296
Low-carbon steels are generally used in the “as rolled” or “as fabricated” state. What is the reason for this?
Their strength generally cannot be increased by heat treatment.
297
What is the most electropositive element among the following? Cs Na Ca Li
Cs
298
A test designed to determine the amount of underground water available in a given field and proper well spacing to avoid interference in that field.
Aquifer performance analysis
299
On an alloy phase diagram, it is the temperature of the solid phase at which the first liquid forms for a given overall composition.
Solidus temperature
300
Which of the following listed materials is considered among the best insulation material for motor rewinding?
Fish paper
301
A thin homogeneous metallic plate containing a hole is heated sufficiently to cause expansion. If the coefficient of surface expansion is linear, the area of the hole will:
Increase at the same rate as the area of the metal increases.
302
Steel can be strengthened by all of the following practices EXCEPT:
Annealing
303
Equipment to be installed shall be fully specified in the name plate EXCEPT which of the following considered optional?
Date Manufactured
304
Any motor application shall be considered as _____ duty unless the nature of the apparatus it drives is such that the motor will not operate continuously with load under any condition of use.
continuous
305
The relationship between the expansion of a spring and the force required to produce the extension is:
F = kx
306
Hooke’s law for an isotropic homogeneous medium experiencing one-dimensional stress is:
Stress = E(strain)
307
It is the measure of a material's ability to store strain energy
Modulus of resilience
308
Young’s modulus of elasticity for a material can be calculated indirectly from which of the following properties of the material?
Density and velocity of sound in the material
309
No-metallic sheathed cable shall not be permitted for the installation in the following locations EXCEPT:
dry location
310
Defined as the unit shear stress divided by the unit shear deformation
Modulus of rigidity of steel
311
What is the metric size equivalent of 1,000 MCM?
500 mm²
312
Force/Area = length/change in length
elastic range
313
If 1080 steel (0.80 wt. % C) is annealed by very slow cooling from 1000°C to ambient temperature, its microstructure will consist almost solely of:
Austenite
314
Where a transformer vault is constructed with other stories below it, the floor shall have a minimum fire resistance of 3 hours unless ______.
protected with automatic sprinkle
315
Is Poise a unit of absolute viscosity?
No
316
An overcurrent trip unit of a circuit shall be connected in series with each _____.
ungrounded conductor
317
The instantaneous position of all fluid particles that passes through a given point is known as _____.
streak line
318
In computer, what does URL stand for?
Uniform Resource Locator
319
During an isothermal process, ______.
the system temperature remains constant
320
It is a type of RAM that does not “lose its mind” if not refreshed. This is typically used in caches and is usually more costly.
SRAM
321
Which of the following is TRUE regarding the minimum attractive rate of return used in judging proposed investments?
It is frequently a policy decision made by an organization’s management.
322
Accounting book in which are recorded the credits and debits of commercial transactions.
Ledger
323
Which of the following does NOT affect owner’s equity?
License to start operation
324
Which is the origin of the energy conservation equation used in a flow system?
The first law of thermodynamics
325
A centrifugal pump with one or more impellers discharging into one or more bowls, and vertical or column pipe used to connect the bowls to the discharge head on which the pump drivers is mounted.
Vertical shaft turbine pump
326
A rigid container is heated by the sun. There is no shaft work associated with the container. From the First law of thermodynamics, what is the resulting work equal to?
Zero
327
Fixtures in clothes closets shall be _____, I. a surface-mounted or recessed incandescent fixtures with a completely enclosed lamp II. a surface-mounted or recessed fluorescent fixture III. pendant fixture
I and II only
328
Absolute viscosity of a fluid varies with pressure and temperature and is defined as a function of:
Shear stress and angular deformation rate
329
The maximum bending moment of a beam simply supported at both ends and subject to a total load w uniformly distributed over its length L is expressed by the formula:
wL/8
330
The mass moment of inertia of a cylinder about its central axis perpendicular to a circular cross section is directly proportional to its _________
length
331
Principal stresses occur on those planes where the shearing stress is __________
zero
332
The three moment equation may be used to analyze:
A continuous beam
333
Poisson’s ratio is the ratio of the:
Unit lateral deformation to the unit longitudinal deformation
334
The ratio of the moment of inertia of the cross section of a beam to the section modulus is a measure of _________
distance
335
The stress in an elastic material is proportional to the ________ of the material acted upon by the force
displacement
336
When an air entrainment agent is introduced into a concrete mix:
The strength will decrease
337
The linear portion of the stress-strain diagram of steel is known as the ______.
elastic range
338
The differential of the shear equation is which of the following?
Load on the beam
339
Entrance losses between tank and pipe, or losses through elbows, fittings and valves are generally expressed as functions of:
Kinetic energy
340
A thin walled pressurized vessel consists of a right circular cylinder with flat ends. Midway between the ends the stress is greatest in what direction?
Circumferential
341
The moment of inertia of any plane figure can be expressed in units of length to the _____.
fourth power
342
The locus of the elevations to which water will rise in piezometer tube is termed:
The hydraulic gradient
343
Structural steel elements subjected to torsion develop:
Shearing stress
344
This refers to the ratio of the unsupported length to its least radius of gyration.
Slenderness ratio
345
A vertically loaded beam, fixed at one end and simply supported at the other is indeterminate to what degree?
First
346
The deflection of a beam is ____________ to the modulus of elasticity and moment of inertia
inversely proportional
347
The vector which represents the sum of a group of force vectors is called the _____.
resultant
348
The bending moment at a section of a beam is derived from the:
Sum of the moments of all external forces on one side of the section
349
It is the result of static pressure in a fluid becoming less than fluid vapor pressure
Cavitation
350
Is speed a vector quantity?
No
351
It is the ratio of the maximum stress produced in a cross section to the average stress over the section
stress concentration factor
352
For a system to be in equilibrium, the sum of the external forces acting on the system must be:
Zero
353
When work W is done on an ideal gas of diatomic molecules in thermal isolation the increase in the total translational kinetic energy of the molecules is:
3W/5
354
The mean free path of molecules in a gas is proportional to:
the reciprocal of the molecular cross-sectional area
355
Two different samples have the same mass and temperature. Equal quantities of thermal energy are absorbed by each. Their final temperatures may be different because the samples have different:
heat capacities
356
What is the range of the specific speed of a radial-type pump?
500 to 3 500 rpm
357
The disconnecting means for motor circuits rated up to 600 volts, shall have an ampere rating of at least ______ percent of the full load current of the motor.
115
358
Overcurrent in transformers affect all of the following EXCEPT:
Breather effectiveness
359
When work W is done on an ideal gas of N diatomic molecules in thermal isolation the temperature increases by:
2W/5Nk
360
Transformer that contains liquid that will burn shall be installed only in approved vaults and shall also comply with this condition: True or False There shall be a robust door between the vault and any non-hazardous location
False
361
In a centrifugal pump, Is it true that the pumping action is accomplished by imparting kinetic energy to the fluid by high speed revolving impeller with vanes?
Yes
362
Two identical rooms in a house are connected by an open doorway. The temperatures in the two rooms are maintained at different values. Which room contains more air?
the room with lower temperature
363
The pressure of an ideal gas is doubled in an isothermal process. The root-mean-square speed of the molecules:
does not change
364
Room temperature is about 20 degrees on the:
Celsius scale
365
A basic centrifugal part that gives direction to the flow from the impeller, and converts this velocity energy into pressure energy that is usually measured in meters of the head.
Casing
366
A high speed device used in CPU for temporary storage during processing is called a ______.
register
367
In computer, what does EBCDIC stand for?
Extended Binary Coded Decimal Interchange Code
368
The pressure of an ideal gas is doubled during a process in which the energy given up as heat by the gas equals the work done on the gas. As a result, the volume is:
halved
369
It is a wave that can be constructed from two similar waves traveling in opposite directions
Standing wave
370
In project management, what shows the manager by how much project costs are above or below the allotted budget?
Cost performance index
371
Breaking stress is _______ the ultimate stress
less than
372
Grounding metal light poles to a grounding electrode helps in reducing lightning damage to the luminaires on the metal light pole from a direct lightning strike. I. True II. False
II only
373
Is density an extensive property?
No
374
What refers to a management function which is to encourage others to follow the example set for them, with great commitment and conviction?
Leading
375
Grounding metal light poles to a grounding electrode is necessary to prevent lightning damage to the concrete pole base. I. True II. False
II only
376
What is defined as the work done on a unit volume of a material, as a simple tensile force is gradually increased from zero to such a value that the proportional limit of the material is reached?
Modulus of toughness
377
What refers to the cost of borrowing money or the amount earned by a unit principal per unit time?
Rate of interest
378
What refers to the elongation of the materials with respect to the original length when subjected to load?
Strain
379
Engineering thermodynamics does not include ______.
utilization of energy
380
What is the standard color for safety signages is used to designate traffic and housekeeping markings?
Black and white, checkered or stripes or other variations
381
A stress that persists in a material that is free of external forces or temperature gradient is called ______ stress.
residual
382
In project management, O & M stands for:
Operation and Maintenance
383
Is Volume an intensive property?
No
384
“Under conditions of perfect competition, the price at which any given product will be supplied and purchased is the price that will result in the supply and the demand being equal.” This statement is known as the:
Law of supply and demand
385
Within elastic limit, the shear stress is proportional to shear strain. What is the constant of proportionality of this statement called?
Modulus of rigidity
386
What is the standard color for safety signages indicates either the location of safety equipment such as first aid materials or conveys safety information?
Green
387
In what method of computing depreciation where it assumes that the annual cost of depreciation is a fixed percentage of the book value at the beginning of the year?
Declining balance method
388
In a quasiequilibrium process, the pressure in a system ______.
is everywhere constant at an instant
389
Is it true that the areas closest to the axis of interest contribute most to the moment of inertia.
No.
390
The principle of fluid pressure that is used in hydraulic brakes or lifts is that:
increases of pressure are transmitted equally to all parts of a fluid
391
CMOS is a
Battery-powered memory chip
392
What is the maximum number of overcurrent devices of a lighting and appliance panel board that shall be installed in a cabinet?
48
393
What is the gas present in the atmosphere which filters out of the sun’s ultraviolet light and provides an effective shield against radiation damage for living things?
Ozone
394
A student standardizes the concentration of a saltwater solution by slowly adding salt until an egg will just float. The procedure is based on the assumption that:
all eggs have the same density
395
In a computer, what is the name of the high speed memory used?
Cache
396
What is the UPS stand for?
Uninterruptible Power Supply
397
A technician has installed a new video card and the computer will now only boot into VGA mode. Which of the following may be the cause of the problem?
The incorrect drivers are installed.
398
Data in ROM is ________ , that is, it remains there even without electrical power.
non volatile
399
True of False: It is not possible for bonds between a pair of atoms to be different (e.g. different bond lengths or bond energies) in different compounds.
FALSE
400
A ball is in free fall. Upward is taken to be the positive direction. The displacement of the ball during a short time interval is:
positive during ascent and negative during descent
401
Which of the following colors identifies the grounded conductor of a branch circuit?
White
402
In printing your documents in the computer, what is the default mode?
Portrait
403
Throughout a time interval, while the speed of a particle increases as it moves along the x axis, its velocity and acceleration:
might both be in the negative x direction
404
If an electrician does not understand the instruction that were given by the supervisor, which of the following is the best for him to do?
He asks that instruction be repeated and clarified
405
Select the incorrect statement of the first law of thermodynamics if kinetic and potential energy changes are negligible.
Heat transfer equals internal energy change for a process.
406
What type of copper alloy is used as collectors for electric generators?
Tin bronze
407
What physical property of a material that refers to the rate of heat flow per unit time in a homogenous material under steady-state conditions, per unit area, per unit temperature gradient in a direction perpendicular to area?
Thermal conductivity
408
It is important to ground metal parts to a suitable grounding electrode, so that in the event of a ground fault, dangerous ground-fault current will be shunted into the earth, away from persons; thereby protecting them against electric shock. I. True II. False
II only
409
Which fluid conducts electricity?
Electrolyte
410
If an engineer provides less input (labor and materials) to his project and still come out with the same output, he is said to be more _____.
efficient
411
When electrical current is given multiple conductive paths on which to flow, current will always take the path of least resistance. I. True II. False
II only
412
Which of the following is NOT an acceptable SI unit?
Density measured in grams per cubic centimeter
413
What physical property of a material refers to the highest potential difference (voltage) that an insulating material of given thickness can withstand for a specified time without occurrence of electrical breakdown through its bulk?
Dielectric strength
414
What refers to the ratio of the volume stress to the volume strain?
Bulk modulus
415
What refers to a description of whether the objectives are accomplished?
Effectiveness
416
What is the standard color for safety signages to indicate danger, stop or presence of fire protection equipment?
Red
417
What refers to a slender member which prevents parts of a structure moving towards each other under compressive force?
Strut
418
What instrument is used to determine the actual stress experienced on the surface of a member?
Strain gage
419
What refers to the stress in the material at the elastic limit?
Yield stress
420
What refers to a measure of a material’s ability to undergo appreciable plastic deformation before fracture?
Ductility
421
Actual performance normally is the same as the original plan and therefore it is necessary to check for deviation and to take corrective action. This action refers to what management function?
Controlling
422
In raising an object to a given height by means of an inclined plane, as compared with raising the object vertically, there is a reduction in:
force required
423
A golf ball of mass m is hit by a golf club so that the ball leaves the tee with speed v. The club is in contact with the ball for time T. The magnitude of the average force on the club on the ball during the time T is:
mv/T
424
A man, holding a weight in each hand, stands at the center of a horizontal frictionless rotating turntable. The effect of the weights is to double the rotational inertia of the system. As he is rotating, the man opens his hands and drops the two weights. They fall outside the turntable. Then:
his rotational speed remains about the same
425
The ratio of discharge diameter to the inlet eye diameter of impeller for a Francis-type centrifugal pump is _____.
less than 2
426
An example of an inertial reference frame is:
a reference frame attached to a particle on which there are no forces
427
A phonograph record is dropped onto a freely spinning turntable.
the total rotational momentum remains constant
428
The rotational inertia of a solid uniform sphere about a diameter is (2/5)MR², where M is its mass and R is its radius. If the sphere is pivoted about an axis that is tangent to its surface, its rotational inertia is:
(7/5)MR²
429
A basic part of the centrifugal pump that gives direction to the flow from the impeller and converts this velocity energy into pressure that is usually measured in meters of head.
Casing
430
Acceleration is always in the direction:
of the net force
431
Busways shall be permitted to be installed behind panels if means of access are provided and if the conditions below are met. One of them is NOT valid. Which one is this?
The busway is open and of ventilator type
432
Flat conduct cables maybe installed in any of the following locations EXCEPT which of the following:
In wet locations
433
A centrifugal pump in which the driving unit is supported by the pump having its suction and discharge flanges on approximately the same center:
In-line pump
434
Noise exposure: is it an unsafe act/practice or not?
Not
435
The law which states that the amount of gas dissolved in a liquid is proportional to its partial pressure.
Henry`s Law
436
The human body is made up of several chemical elements. The element present in the highest proportion (65%) in the body is:
Oxygen
437
Type ____cable consists of three or more flat copper conductors placed edge-to-edge and separated and enclosed within an insulating assembly.
FCC
438
In rigid metal conduit wiring, conduits shall be supported at least every ____.
3,000 mm
439
What is the ratio of the modulus of elasticity to the specific weight of a material?
Specific modulus
440
What refers to a principal function of lower management which is to instill in the workforce a commitment and enthusiasm for pursuing the goals of the organization?
Motivating
441
Service equipment is grounded to a grounding electrode to ensure that the voltage between the metal parts of the electrical installation and the earth remains at the same potential. I. True II. False
II only
442
Radiation is emitted by ______.
all materials at a finite temperature
443
Which of the following statements about work for a quasiequilibrium process is INCORRECT?
Work is the area under a P-T diagram.
444
“The condition of equilibrium or motion of a rigid body remains unchanged if a force acting at a given point of the rigid body is replaced by a force of same magnitude and direction but acting at a different point provided that the two forces have the same line of action”. This statement is known as ______.
Principle of Transmissibility
445
What is the ratio of the ultimate strength of a material to its specific weight?
Specific strength
446
Building disconnecting means at a remote building supplied by a feeder must be grounded to a grounding electrode to ensure that dangerous voltage on metal parts, caused by a ground fault, can be removed or be reduced to a safe value. I. True II. False
II only
447
The unit of joule can be converted to which of the following?
Pa·m³
448
Electrical equipment must be grounded so that sufficient fault current will flow through the circuit protection device to quickly open and clear the ground fault. I. True II. False
II only
449
What is the ratio of the transverse strain to the corresponding axial strain in a body subjected to uniaxial stress?
Poisson`s ratio
450
The phase change from a liquid to a vapor is referred to as:
Vaporization
451
The ratio of linear stress to linear stress to linear strain is known as ______.
modulus of elasticity
452
“If a number of concurrent forces acting simultaneously on a particle, are represented in magnitude and direction by the sides of polygon taken in order, then the resultant of this system of forces is represented by the closing side of the polygon in the opposite order”. This statement is known as _____.
Polygon Law
453
What is the unit of the modulus of elasticity?
Pa
454
“The sum of individual moments about a point caused by multiple concurrent forces is equal to the moment of the resultant force about the same point”. This statement is known as ____.
Varignon`s theorem
455
What physical property of a material that refers to the temperature at which ferromagnetic materials can no longer be magnetized by outside forces?
Curie point
456
What are considered as the “building blocks” for engineering materials?
Atoms
457
What is the most essential attribute of a project manager?
Leadership
458
What is the standard color for safety signages to mark the dangerous parts of machines or energized equipment which may cut, crush, shock or injure employees?
Orange
459
An equation for fluid flow based on the first law of thermodynamics which states that the heat input into the system added to the work done on the system is equal to the change in energy of the system.
Energy equation
460
Cold work decreases the yield point of metal. True or False?
False
461
Where the conduits enter a switchboard at the bottom, a sufficient space shall be provided to permit installation of the conductors in the enclosure. The minimum spacing between the bottom of the enclosure and the non-insulated bus bar shall be ______.
255 mm
462
In MICR, C stands for ______.
character
463
In a stress-strain diagram, what is the correct term for the stress level at ε = 0.2% offset?
The offset yield stress
464
A type of pump with a specific speed greater than 8 000 rpm.
Axial flow-type pump
465
The grounding conductor for secondary circuits of instrument transformers and for instrument cases shall not be smaller than #12 _____. I. metal II. Aluminum III. copper
III only
466
All type FCC cable connections shall use connectors identified for their use, installed such that _____ against dampness and liquid spillage are provided. I. electrical continuity II. Insulation III. Sealing
I, II & III
467
A space entirely devoid of gases, liquids, or solids is known as ________.
perfect vacuum
468
Where do stress concentration occur? I. Near the point of application of concentrated loads II. Along the entire length of high distributed loads III. At discontinuities
I and III
469
Based on Section 18 of the R. A. 7920, the minimum age requirement for qualifications of applicants for Registered Master Electricians Examination is at least ____ years of age.
18
470
Communication wires and cables shall be separated at LEAST a certain minimum distance from service drops of electric light and power conductors, which are not installed in a raceway or in cable. What is this minimum distance?
300 mm
471
A vertical turbine pump with the pump and motor closed-coupled and designed to be installed underground, as in the case of a deep-well pump.
Submersible pump
472
Is Tool and die a structural class of steels?
No
473
Energy losses in centrifugal pumps that include frictional losses in the bearings and packing boxes usually taken to be 2% to 4% of the brake power.
Mechanical losses
474
_____ of insulating material shall be permitted to be used without boxes in exposed cable wiring. I. Switch devices II. Outlet devices III. Tap devices
I, II & III
475
Clothes are hung on a clothesline to dry on a freezing winter day. The clothes dry due to:
sublimation
476
True or False: Under the First law if Kinetic and Potential changes are negligible, Heat transfer equals internal energy change for a process.
False
477
Air undergoes a three-process cycle with a P = const: process, a T = const: process, and a V = const: process. Select the correct statement for a piston-cylinder arrangement.
W = 0 for the V = const. process
478
What is the correct units on viscosity?
kg/(s·m)
479
To determine a qualified applicant, the engineer manager will subject the applicant to a test that is used to measure a person’s current knowledge of a subject?
Performance test
480
What is the standard color for safety signages denotes caution and its use is restricted to marking out-of-service equipment which should not be used?
Blue
481
The ratio of lateral strain to longitudinal strain is called ______.
Poisson`s ratio
482
What management function involves orienting personnel in the most effective way and channeling resources?
Directing
483
What is the unit of strain?
Unitless
484
What refers to a measure of the cohesive force between adjacent molecules over the entire cross-sectional area of a material?
Tensile strength
485
URL indicates the path to a certain file on the World Wide Web and is also called the web address. What does URL mean?
Uniform Resource Locator
486
The term m∆h in a control volume equation Q∆ - Ws = m∆h:
Includes the work rate due to the pressure forces.
487
Is R&D an element of project management process?
No
488
Metal traffic signal poles and handhole covers must be grounded to a suitable grounding electrode to ensure that dangerous voltage on metal parts resulting from a ground fault can be reduced to a safe value. I. True II. False
II only
489
Grounding of service equipment to a grounding electrode is necessary to stabilize the system voltage. I. True II. False
II only
490
What is the standard color for safety signages to warn of physical hazards ad means caution?
Yellow or striped or checkered pattern of yellow and black
491
Select an assumption that is made when deriving the continuity equation ρ₁A₁V₁ = ρ₂A₂V₂.
Steady flow
492
It is a statement of the second law that simply states that an engine has to reject heat.
Kelvin-Planck
493
Hazardous locations in which easily ignitable fibers or materials producing combustible flyings are handled, manufactured or used.
Class III, Division 1
494
Which of the following listed materials is considered among the best insulation material for motor rewinding?
Fish paper
495
According to the Code the minimum insulation level for neutral conductor of residential installation which has solidly grounded system shall be ______.
300 V
496
What law is repealed by R. A. No. 7920?
R. A. No. 184
497
In R. A. No. 7920, who is considered as the executive officer of the board?
Commissioner
498
What is the primary purpose of an operating system?
To make the most efficient use of the computer hardware
499
What is the first completely 64-bit compatible version of Android?
Android 5.0 Lollipop
500
USB is which type of storage device?
Secondary
501
Which of the following phases of steel has a face-centered cubic structure?
Austenite
502
Where the conduits enter a switchboard at the bottom, a sufficient space shall be provided to permit installation of the conductors in the enclosure. The minimum spacing between the bottom of the enclosure and the non-insulated bus bar shall be ______.
255 mm
503
In centrifugal pump, pumping action is accomplished by imparting _____ to the fluid through a high-speed revolving impeller with vanes.
kinetic energy
504
A single suction pump having its suction nozzle on the opposite side of the casing from the stuffing box and having the face of the suction nozzle perpendicular to the longitudinal axis of the shaft.
End-suction pump
505
In this pump, the head developed is due to the push of the vanes, and flow is almost entirely axial.
propeller-type impeller centrifugal pump
506
In computer data storage, what does RDMA stands for?
Remote Direct Memory Access
507
A cylinder is said to be a “thin-walled” cylinder if the ratio of the wall thickness to the internal diameter of the cylinder is less than:
1/10
508
What refers to the government corporation created under Republic Act No 6395?
National Power Corporation
509
FTP is a service which moves a file between computers using the internet. What does FTP stand for?
File Transfer Protocol
510
BIOS controls the computer, telling it what operation to perform. These instructions are on a chop that connects to the motherboard. What does BIOS mean?
Basic Input Output System
511
What is a programming language that enables the development of a program in a much more user-friendly context and is generally from the computer’s hardware components?
High level programming language
512
``` In computer programming, what are the control structures? I. Sequence II. Selection III. Repetition IV. Processing ```
I, II and III
513
What is a separate piece of code that is call by the main program a specific task?
Method
514
RAID is a type of storage that can be configured in different ways to provide a redundant copy of files. What does RAID stand for?
Redundant Array of Independent Disks
515
What is a special kind of variable that is used to pass information between the functions and procedures?
Parameter
516
What are the two categories of programming language?
High level and low level
517
What is the standard color for safety signages is used for radiation hazard?
Purple or combination of purple and yellow
518
A small block of mass m is placed on a wedge of angle θ and mass M. Friction is negligible. What horizontal force must be applied to the wedge so that the small block does not slide up or down the wedge surface?
F = (m + M)g tan θ
519
HTML formats information so it can be transported on the internet. What does HTML stand for?
HyperText Markup Language
520
What refers to the government agency created under Presidential Decree No. 269?
National Electrification Administration
521
DNS can help recognize an IP address used by a domain name. What does DNS stand for?
Domain Name Server
522
What is “work in progress” classified as?
An asset
523
The range of specific speed of a Francis-type centrifugal pump.
1500 to 4500 rpm
524
In a crystal structure, what is an extra atom sitting at a nonlattice point
interstitial atom
525
Where reduced heating of the conductors results from motors operating on duty-cycle, intermittently, or from all motors not operating at one time, the feeder conductors may have an ampacity __________ specified if acceptable to the authority having jurisdiction
less than
526
The major constituent of air is ______.
nitrogen
527
A fluid that is frictionless and incompressible.
Ideal fluid
528
When installing a heatsink back into a computer after replacing a failed processor, thermal compound must be installed between the processor and the heatsink. True or False?
True
529
Where flexible cords are permitted by the code to be permanently connected, it is permissible to omit ______for such cords.
receptacles
530
Re = _________/viscous force
inertial force
531
A technician prints a test page from the printer’s front panel and the printer consistently prints one page of data across two pages of paper. Which of the following is the cause of the problem?
The paper tray media size is wrong.
532
A chart used to determine the coefficient of friction.
Moody`s diagram
533
You need to increase the amount of RAM installed in the laptop computer. You need to identify the correct memory module for use in the computer. How many pins does a typical module used for laptop computer RAM have?
200
534
A _____is a circuit operating at 600 volts, nominal or less, between phases that connects two power sources or power supply points, such as the secondaries of transformers. I. branch circuit II. branch circuit multiwire III. secondary tie
III only
535
The method that cannot be used for removing permanent hardness of water is ______.
boiling
536
What refers to the ratio of thermal conductivity of a material to the product of electrical conductivity and temperature?
Wiedemann-Frantz ratio
537
What refers to the sum of the strains in the three coordinated directions?
Dilation
538
Service equipment must be grounded to a grounding electrode to ensure that dangerous voltage on metal parts resulting from a ground fault can be removed or be reduced to a safe value. I. True II. False
II only
539
Are there two constant-pressure processes for a Carnot Cycle?
No
540
What is the type of annuity where the payments are made at the beginning of the each period starting from the first period?
Annuity due
541
Engineers can become good managers only through ________.
effective career planning
542
According to the Kelvin–Planck statement of the second law: An engine has to reject heat. True or False
True
543
Grounding of metal manhole covers to a suitable grounding electrode ensures that dangerous voltage on metal parts resulting from a ground fault can be reduced to a safe value. I. True II. False
II only
544
What kind of stress is caused by a positive moment applied on a beam?
Compressive stress
545
A key concept in analyzing the filling of an evacuated tank is:
The enthalpy across a valve remains constant.
546
Select a correct statement of the first law of thermodynamics if kinetic and potential energy changes are negligible.
Net heat transfer equals net work for a cycle.
547
A set of well-defined logical steps that must be taken to perform a task is called ______.
algorithm
548
A _______ provides little to no abstraction of programming concepts and is very close to write actual machine code.
low level programming language
549
Within elastic limit, the volumetric strain is proportional to the hydrostatic stress. What is the constant that relates these two quantities called?
Bulk modulus
550
What is the disadvantage of free-rein style of leadership?
Little managerial control and high degree of risk
551
Java, Pascal, C++, Fortran and Basic are types of ______.
high level programming language
552
What states that “the total electrical resistivity is the sum of the thermal resistivity and the residual resistivity?
Matthiessen`s Rule
553
What is defined as an organized method of providing past, present, and projected information on internal operations and external intelligence for use in decision-making?
Management Information System
554
Service conductors supplying a building are permitted to pass through the interior or another building. True or False
False
555
True or False: | Service conductors supplying a building are permitted to pass through the interior or another building.
False
556
A three-phase general purpose squirrel cage motor draws a full load current of 40 A. What is the maximum size of time delay fuses that may be used for short circuit protection?
80 A
557
An equation used in the conservation of mass and as an application for ideal flow, states that energy is constant anywhere in the fluid.
Continuity equation
558
During an adiabatic, internally reversible process, what is true about the change in entropy?
It is always zero.
559
A physical law that states “Pressure set up in a confined liquid acts equally in all directions and always in right angles to the containing surfaces.”?
Pascal`s law
560
An assembly drawing for a switchboard appears to have some errors. As supervisor, what steps will your take?
Hold the job until you have checked with the person who initiated the plans.
561
In general, what are the effects of cold working a metal?
Increased strength, decreased ductility
562
True or False: | Modulus of Elasticity is the slope of the stress-strain diagram in the linearly elastic region.
True
563
What is the proper relationship between the modulus of elasticity, E, the Poisson ratio, ν, and the bulk modulus of elasticity, K?
E = 3K(1 - 2ν)
564
A counter mounted cooking unit shall be connected by a permanent wiring method. True or False
False
565
A specimen is subjected to a load. When the load is removed, the strain disappears. From this information, which of the following can be deduced about this material?
It is elastic.
566
What are the two types of low-level programming languages?
Assembly and Machine Code
567
What is defined as the process of planning, organizing, and controlling operations to reach objective efficiently and effectively?
Operations Management
568
What is defined as the interest on a load or principal that is based only on the original amount of the loan or principal?
Simple interest
569
Young’s modulus is the ratio of _______.
linear stress to linear strain
570
What are the major classes of engineering materials?
Metals, ceramics, polymers, semiconductors and composites
571
The metal case of a separately derived system is grounded to a grounding electrode to stabilize the system voltage during normal operation. I. True II. False
II only
572
What is an error that occurs when the program produces the wrong output? This is the most common error.
Logical error
573
Separately derived systems are grounded to a grounding electrode to ensure that the voltage between metal parts and the earth remains at the same potential. I. True II. False
II only
574
What is a structural member supported horizontally and carries transverse loading?
Beam
575
What mechanical property of a material refers to the resistance to plastic deformation?
Hardness
576
In project management, “R & D” stands for:
Research and Development
577
What physical property of a material refers to the ratio of the amount of heat required to raise the temperature of a unit mass of a substance 1 degree to the heat required to raise the same mass of water to 1 degree?
Specific heat
578
What is an error that occurs when there is a syntax or grammatical problem within the program?
Compile error
579
What is an error that occurs when running a program?
Runtime error
580
``` Which of the following is the correct order of the Programming Development Life Cycle? I. Algorithm II. Problem analysis III. Coding and debugging IV. Problem definition ```
IV, II, I, III
581
What is a quantitative technique where samples of populations are statistically determined to be used for a number of processes, such as quality control and marketing research?
Sampling theory
582
The general and abstract concepts of right and wrong behavior culled from philosophy, theology, and professional societies.
Ethics
583
The level of the body of water from which the pump takes suctions when it is in operation is called _____.
pumping water level
584
Stiffness is the ratio of ______.
force to deformation
585
What refers to the rate of change of stress with respect to strain?
Tangent modulus
586
What refers to the normal stress associated with the plane of a part in a loaded specimen where shear stress is zero?
Principal stress
587
When structuring an organization, the engineer manager must be concerned with the grouping of related jobs, activities, or processes into major organizational subunits. This refers to:
departmentation
588
Suction lift of the pump exists when the total suction is:
below atmospheric pressure
589
The system of rules established by authority, society, or custom.
Law
590
The cross-sectional fluid area divided by the wetted perimeter is also called
hydraulic radius
591
The science of water in motion is ______.
hydrodynamics
592
The accepted standards of right and wrong that are usually applied to personal behavior.
Morals
593
The codes of behavior and courtesy.
Etiquette
594
What refers to the collection of tools and techniques that are used on a predefined set of inputs to produce a predefined set of outputs?
Project management
595
What are the four basic forms of deformation of solid bodies?
Tension, compression, bending and twisting
596
In project management, what provides a simple yet effective means of monitoring and controlling a project at each stage of its development?
Life cycle model
597
Viscosity of the fluid affect the rise or fall of liquid in a small-diameter capillary tube?
False
598
The science of water at rest is _____.
hydrostatics
599
In the interrupting rating of a circuit breaker is lower than the required, what will happen to the breaker if there is a dead short between the downstream breaker terminals?
The entire breaker will be completely damaged
600
Which three computer components contain hazardous materials and require handling for disposal?
Batteries, monitors and printer toner cartridges
601
The most commonly used bleaching agent is ______.
chlorine
602
A large open storage tank is filled with water. A small hole is punctured in the side of the tank at a depth h below the surface of the water. At what speed will water flow out of the hole?
V = sqrt (2gh)
603
It is a device used to measure the pressure of water discharging from a nozzle or flowing in a pipe by having its open end in the water and the other end connected to a gauge or manometer?
Pitot tube
604
According to the Code the minimum insulation level for neutral conductor of residential installation which has solidly grounded system shall be ______.
300 V
605
The difference between people with access to computers and the internet and those without this access is known as the _______.
digital divide
606
The following are types of protection for single phase induction motors, EXCEPT:
Single phasing protection
607
The term “bit” is short for:
Binary digit
608
The nucleus of a hydrogen atom consists of _______.
1 proton only
609
To make sure that the voltage switchboard is not energized, what final step should you take for assurance?
Open the disconnect switch
610
It is a pump that takes suction from a public service main or private-use water system for the purpose of increasing the effective water pressure.
Booster pump
611
The heat required to raise the temperature of body by 1 K is called _______.
thermal capacity
612
The nuclear particles which are assumed to hold the nucleons together are ______.
mesons
613
Expected sets of behavior (etiquette, law, morals, and ethics) between the engineer, other individuals, and society as a whole.
Interaction rules
614
Grounding service equipment to a low resistive grounding electrode helps in protecting interior wiring and equipment from lightning damage. I. True II. False
II only
615
Strategic planning is undertaken in which management level?
Top management level
616
What is a vertical turbine pump with the pump and motor closed-coupled and designed to be installed underground, as in the case of a deep well pump?
Submersible pump
617
What is a centrifugal pump with one or more impellers discharging into one or more bowls and vertical eductor or column pipe used to connect the bowls to the discharge head on which the pump driver is mounted?
Vertical shaft turbine pump
618
An underground formation that contains sufficient saturated permeable material to yield significant quantities of water is called ______.
aquifer
619
A situation in which an engineer's loyalty and obligations may be compromised because of self-interests or other loyalties and obligations.
Conflict of interest
620
______ is the stress beyond which the material will not return to its original shape when unloaded but will retain a permanent deformation.
Elastic limit
621
Legal rights are:
The JUST CLAIMS given to all humans within a government`s jurisdiction
622
A body is subjected to three mutually perpendicular stresses of equal intensity. What refers to the ratio of direct stress to the corresponding volumetric strain?
Bulk modulus
623
Within elastic limit in a loaded material, stress:
is directly proportional to strain
624
The suction head of the pump exists when the total suction head is ______.
above atmospheric pressure
625
What term implies the pressure on a gauge in open air, the gauge being connected to a closed pipe?
Gauge pressure
626
What management function refers to the process of anticipating problems, analyzing them, estimating their likely impact and determining actions that will lead to the desired outcomes and goals?
Planning
627
What is the unit of modulus of rigidity?
pascal
628
When a closely-coiled helical spring is subjected to an axial load, then the spring is subjected to _____.
torsion
629
Each computer programming language uses a different ________. In computer programming languages, this serves the same purpose, defining how declarations, functions, commands, and other statements should be arranged.
syntax
630
What is the property of metals that reflect the light that strikes their surfaces, making them appear shiny?
Luster
631
Software programs designed to damage or do other unwanted actions on a computer system. Refers to "malicious software" and includes viruses, worms and trojan horses.
Malware
632
Normality is defined as the number of ______.
equivalent weights of solute per liter of solution
633
Elements in Group IA in the periodic table are:
Alkali metals
634
Which of the following is most likely to prove that a substance is inorganic?
The substance is heated together with copper oxide and the resulting gases are found to have no effect on limestone.
635
What principle states that “for a horizontal flow of a fluid through a pipe, the sum of the pressure and the kinetic energy per unit volume of the fluid is constant”?
Bernoulli`s principle
636
Which of the following is the Newton’s first law of motion?
Law of inertia
637
Kinematic viscosity is defined as the ratio of absolute viscosity to _______.
density
638
The hydraulic press is an instrument which uses one of the following theorems. Which one?
Pascal`s principle
639
How many electrons can occupy an s-orbital?
Two
640
What refers to the rational way to conceptualize, analyze and solve problems in situations involving limited, or partial information about the decision environment?
Decision theory
641
What is the common unit used to indicate the mass of a particle?
Atomic mass unit (amu)
642
What refers to the product of the force and the time during which a force acts?
Impulse
643
What is used to determine the type of flow of a liquid?
Reynolds number
644
What management function involves selecting candidates and training personnel?
Staffing
645
Who discovered the electron?
Joseph John Thomson
646
Which of the following is the correct order of the four major functions of a computer?
Input, Process, Output, Storage
647
When installing cables or raceway type wiring method parallel to the framing members such as joist, rafters or studs, the cable or raceway shall be installed and supported so that the nearest outside surface of the cable or raceway is NOT less than a certain distance from the nearest edge of the framing member. What is this distance?
50 mm
648
Oxides, carbides and nitrides are considered to be within the class of materials known as glasses. True or False?
False
649
To improve the insulation resistance of a motor, it is first cleaned, washed, varnished then baked. Which is very economical and effective method of baking particular the inside coils of a large motor?
Putting it inside the baking oven and control the oven temperature
650
Which of the following is a line defect in a lattice crystal structure?
Screw dislocation
651
Section 43 of R. A. No. 7920 is the _______.
Repealing Clause
652
The coefficient of restitution can be less than zero. True or False?
False
653
Which precaution should be taken when working around electronic devices?
Avoid using magnetized tools.
654
Which of the following is/are true regarding creep? I. It is caused by the diffusion of vacancies to edge dislocations, permitting dislocation climb. II. It involves the plastic deformation of materials at loads below the yield stress. III. It may involve whole grain sliding.
I, II and III
655
Before an ammeter is disconnected from an energized current transformer circuit, one of the procedures should be followed. Which one is this?
Primary winding should be shorted
656
What two tools can help protect against ESD?
Antistatic wrist strap and antistatic mat
657
How many degrees of freedom does a coin rolling on the ground have?
Three
658
Festoon lighting is a string of outdoor lights suspended between two points more than _______ apart.
4,500 mm
659
Under revocation of certificates and suspension from the practice of the profession, the decision of the board shall be final and executory unless it is appealed by the respondent to the Commission with ______ from the receipt of such decision.
15 days
660
An abbreviation of the language that webpages are written in. Also known as hypertext documents, webpages must conform to the rules of this language in order to be displayed correctly in a web browser. This syntax is based on a list of tags that describe the page's format and what is displayed on the webpage.
HTML
661
Large data items are split into ______ for sending across a network.
packets
662
What refers to the stress at which a material exhibits a specified deviation from proportionality of stress and strain?
Yield strength
663
A software program or set of instructions programmed on a hardware device. It provides the necessary instructions for how the device communicates with the other computer hardware.
Firmware
664
What is the “identity number” of an atom?
Atomic number
665
The hydrometer is used to measure _______.
density of a liquid
666
An internet protocol address unique for each device connected to a network is called _____.
IP address
667
What refers to the process and procedure for identifying, characterizing, quantifying and evaluating risks and its significance?
Risk assessment
668
What network model enables engineer managers to schedule, monitor, and control large and complex projects by using only one time factor per activity?
Critical Path Method
669
What is the type of annuity where the payments are made at the end of each period starting from the first period?
Ordinary annuity
670
What does HDMI stand for?
High-Definition Multimedia Interface
671
What is a measure of rigidity?
Modulus of elasticity
672
What refers to the ratio of the interest payment to the principal for a given unit of time and usually expressed as a percentage of the principal?
Interest rate
673
``` Solid State Drive (SSD): I. non-volatile storage II. no moving parts III. read/write quicker than HDD IV. low power consumption ```
I, II, III and IV
674
What is defined as the time rate at which work is done?
Power
675
What type of materials exhibits high modulus of elasticity?
Hard materials
676
“The work done by the net force on a particle equals the change in the particle’s kinetic energy”. This statement is known as ______.
Work-energy theorem
677
What refers to the techniques that encompass risk assessment and the inclusive evaluation of risk, costs and benefits of alternative projects or policies?
Risk-benefit analysis
678
What is a reference sheet for the elements that can be used to form engineering materials?
Periodic table
679
What mechanical property of a material which is a time-dependent permanent strain under stress?
Creep
680
The property by virtue of which a metal can be beaten into plates is called ______.
malleability
681
When used to classify metals, the word “refractory” mean it is ____ resistant.
heat
682
In which medium do sound waves travel the fastest?
Solids
683
What can you say about the following statement regarding centrifugal pumps? “The discharge of the centrifugal pumps can be throttled without the building up of an excessive pressure or overloading its driving unit.”
This statement is true.
684
The Philippine Electrical Code Part 1 2009 was based on the National Electrical Code 2005 while the Philippine Electrical Code Part 1 2017 Edition was based on the National Electrical Code _____.
2017
685
The components that process data are located in the _____.
system unit
686
During an isothermal process:
The system temperature remains constant
687
A technician has been asked to install memory that detects multiple bit errors and corrects single bit errors in memory. Which type of memory should be installed if the motherboard supports these features?
ECC
688
In the periodic table of elements, which ONE of the following is light metal?
Potassium
689
In the periodic table of elements, which ONE of the following is light metal?
Potassium
690
``` Which of the following flow meters measure(s) the average fluid velocity rather than a point or local velocity in a pipe? I. venturi meter II. pitot tube III. impact tube IV. orifice meter V. hot-wire anemometer ```
I and IV
691
While performing preventive maintenance, a technician notices that the operating system is missing updates. How can the technician enable automatic updates?
Run the Automatic updates utility from the control panel
692
The Philippine Electrical Code is regularly revised every ______ to reflect the evolution of products, materials and installation techniques.
three years
693
The Philippine Electrical Code is Intended as a design specification or an instructional manual for qualified persons. True or False?
True
694
The adoption of the 9th Edition of the Revised Philippine Electrical Code Part 1 as part of the rules and regulations governing the practice of electrical engineering and as referral code in accordance with the National Building Code is Professional Regulatory Board for Electrical Engineering Resolution No. ____, series of 2017.
18
695
Most of the energy generated in the engine of an automobile is rejected to the air by the radiation through the circulating water. The radiator be modeled and analyzed as _______.
an open system
696
When the volume of 1 kg of an ideal gas is halved while the absolute temperature is also halved, what happens to the pressure?
Pressure is unchanged
697
What refers to programs written in binary code?
Machine language
698
The software used to control the computer and its peripheral equipment is the:
Operating system
699
“The ratio of the sines of the angles of incidence and refraction is equal to the ratio of the speeds of light in the two media”. This statement is known as ______.
Snell`s law
700
What are the fundamental principles used in fluid mechanics? I. Conservation of mass II. Conservation of energy III. Conservation of momentum IV. Laws of thermodynamics
I, II, III, IV
701
The ______ of an atom is the sum of the number of protons and neutrons in the nucleus of an atom.
mass number
702
What type of mirror that curves outward toward its center and diverges parallel light as though the reflected light came from a single virtual focal point behind the mirror?
Convex mirror
703
What is the basic accounting equation?
Assets = Liability + Owner`s equity
704
“If no net force acts on it, an object at rest will remain at rest and an object in motion will remain in motion at constant velocity”. This statement is the _____.
first law of motion
705
In what method of computing depreciation where it assumes that the loss in value is directly proportional to the age of the equipment or asset?
Straight line method
706
The ratio of quick assets to current liabilities is called _______.
acid-test ratio
707
What has the same number of protons and electrons but different number of neutrons?
Isotope
708
The rate of change of velocity at which one layer of fluid passes over an adjacent layer is called:
Shear rate
709
A moral theory that seeks to create the best for most people.
Utilitarianism
710
In flowchart, the decision/selection is represented by what figure?
Diamond
711
In flowchart, the input/output is represented by what figure?
Parallelogram
712
The following are used to analyze precedence relations and their effects on the schedule of projects except one. Which one?
Smith Chart
713
In flowchart, the start/stop is represented by what figure?
Long oval
714
What is the most widely used charts in management of scheduling and control of projects?
Gantt Chart
715
What is defined as the reduction of the value of certain natural resources such as mines, oil, timber, quarries, etc. due to the gradual extraction of its contents?
Depletion
716
What refers to the money value of an event, based on the earning power of equivalent invested funds capital should or will earn?
Time value of money
717
When an amount, say for example P 1,000 is invested at 10% interest per annum, it will be P 1,100 at the end of one year. The procedure of determining the equivalent amount is known as _______.
discounting
718
What is the type of annuity that does not have a fixed time span but continues indefinitely or forever?
Perpetuity
719
In flowchart, the processing is represented by what figure?
Rectangle
720
A method is a separate piece of code that is called by the main program to perform a specific task. What are the two types of methods?
Void methods and value return methods
721
Whistleblowing is the act of informing authorities of harmful, dangerous, or illegal activities.
True
722
______ management refers to any technique used either to minimize the probability of an accident or to mitigate its consequences.
Risk
723
Engineering Ethics is the set of behavioral standards that all engineers are expected to follow.
True
724
What type of stress is developed in the material without any permanent set?
Elastic limit
725
“Two forces acting on a particle may be replaced by a single force called resultant which can be obtained by drawing diagonal of parallelogram, which has the sides equal to the given forces”. This statement is known as ___.
Parallelogram Law
726
The thermodynamic properties that are independent on the size of the system is called:
Intensive property
727
The principles of kinetics of particles are derived from which law?
Newton`s second law
728
Compute the mass of the Earth, assuming it to be a sphere of radius 6370 km.
5.97 x 10²⁴ kg
729
What law asserts that energy is a thermodynamic property?
First law of thermodynamics
730
Which of the following set of quantities that describe motion and uses the principle of work and energy?
Force, mass, distance, velocity
731
Energy can neither be created nor destroyed. This is known as ______.
First law of thermodynamics
732
In a trajectory, at what angle will the object be fired in order to reach a maximum range?
45 degrees
733
What is the branch of engineering mechanics which refers to the study of rigid body in motion without reference to the force the causes the motion?
Kinematics
734
Separately derived systems must be grounded to a grounding electrode to ensure that dangerous voltage on metal parts, caused by a ground fault, can be removed or be reduced to a safe value. I. True II. False
II only
735
What law asserts that energy has quality as well as quantity?
Second law of thermodynamics
736
What law states that the condition of equilibrium or of motion of rigid body is reflected by a force of the same magnitude and direction, but acting at a different point, provided that the two bodies have the same line of action?
Principle of transmissibility
737
Which is NOT an extensive property of thermodynamics?
Density
738
The frictional force is ____ the area of contact.
independent on
739
Which of the following set of quantities that describe motion and uses the principle of impulse and momentum?
Force, mass, velocity, time
740
What refers to a process of influencing and supporting others to work enthusiastically toward achieving objectives?
Power
741
What is an important tool for the design and implementation of the project’s work content?
Linear responsibility chart
742
What is the reciprocal of the coefficient of volume elasticity?
Compressibility
743
The engineer manager must be concern with the needs of his human resources. What refers to the need of the employees for food, drinks and rest?
Physiological need
744
When a shaft, is subjected to torsion, the shear stress induced in the shaft varies from ______ at the center to ______ at the circumference.
zero, maximum
745
A force applied so as to cause or tend to cause two adjacent parts of the same body to slide relative to each other, in direction parallel to their plane of contact is called ______.
shear force
746
What project life cycle model is the most relevant for information technology project?
Waterfall model
747
What refers to any change that a system undergoes from one equilibrium state to another equilibrium state?
Process
748
When structuring an organization, the engineer manager must be concerned with the determining the scope of work and how it is combined in a job. This refers to ______.
division of labor
749
What refers to the series of states through which a system passes during a process?
Path
750
Project integration management involves Quality planning process. True or False?
True
751
For a project manager to have an effective means of identifying and communicating the planned activities and their interrelationships, he must use a network technique. One of the network techniques is commonly known as CPM. What does CPM stands for?
Critical Path Method
752
What does S stand for in HTTPS?
Secure
753
What refers to the statement that says that the external effect of a force of a body is the same for all points of application along its line of action?
Transmissibility
754
For a project manager to have an effective means of identifying and communicating the planned activities and their interrelationships, he must use a network technique. One of the network techniques is commonly known as PERT. What does PERT stands for?
Program Evaluation Review Technique
755
Volumetric strain is the:
ratio of change in volume to original volume
756
Middle management level undertakes what planning activity?
Intermediate planning
757
The energy per unit volume of a wire, stretched by a certain load is equal to ______ the value of the product of stress and strain of the wire.
one-half
758
__________ is a measure of energy per unit volume stored in deformed material.
Strain Energy
759
What network model enables engineer managers to schedule, monitor, and control large and complex projects by employing three time estimate for each activity?
Program Evaluation Review Technique
760
For metric wire gage, the No. 2 wire is _____ in diameter.
0.2 mm
761
What refers to the technique that encompasses risk management including the evaluation of risk, cost and benefits of alternative projects?
Risk-benefit analysis
762
What type of committee companies or corporations created for a short-term purpose only?
Ad hoc committee
763
In thick cylinders, the longitudinal stress:
is uniformly distributed
764
Bus bars of rectangular cross section are generally used for carrying ___.
high electric currents
765
What refers to the activity of incorporating the technical know how with the ability to organize and coordinate workforce, materials, equipment and all other resources including money?
Engineering Management
766
What refers to the product of the tangential force acting on the shaft and its distance from the axis of the shaft?
Twisting moment
767
The electrical conductivity of copper be reduced significantly by _____.
adding impurities and alloying components
768
When there is a degradation of service provided by the company to clients, it is a sign that the engineer manager in-charge:
has inadequate control
769
What is measured by the amount of resources that a manager can allocate without the need to get an approval from his or her manager?
Authority
770
The term ___________ of a certain project refers to the longest path through the network diagram which determines the earliest completion of a project
critical path
771
In risk management, high risks are those what corresponds to a strong adverse event that has a ______.
high probability of occurrence
772
Which of the following structural member is used in the transmission of torque and twist?
Shaft
773
What is defined as a course of action aimed at ensuring that the organization will achieve its objectives?
Strategy
774
What is the first stage in the life cycle of a project using the Morris model?
Feasibility
775
Strategic planning session to prepare a strategic plan is focused on what management level of the organization?
All management levels
776
What refers to the science of designing work environment that allow people and things to interact efficiently and safely?
Ergonomics
777
One of the mnemonic management tool used is the SMEAC. SMEAC stands for _____.
Situation, Mission, Execution, Administration, Communication
778
In project management, the term ________ refers to the deviation from the project plan or the difference between planned and actual performance
variance
779
What refers to the chain of command of authority from top management down to the lowest management level?
Scalar chain of command
780
In project management, what is usually the first step underlying in the process of performing a project?
Identify a need for a product or service.
781
What is the range of Poisson’s ratio for most metals?
0.25 to 0.35
782
In relation to risk management, the term “uncertainty” refers to the measure of the limits of knowledge in a technical area, expressed as a distribution of probabilities around a point estimate. Which is not a principal element of uncertainty?
Inability of system
783
Ergonomics is also known as _______.
Human engineering
784
What refers to a generic term for techniques that encompasses risk assessment and the inclusive evaluation of risk, costs and benefits of alternative projects?
Risk-benefit analysis
785
Who is given the clear authority to implement all provisions of the Philippine Electrical Code?
The Office of the Building Official
786
The PRBEE Resolution No. 18 Series of 2017 is the adoption of the 9th Edition of the Philippine Electrical Code Part 1 as part of the rules and regulation governing the practice of electrical engineering and as referral code in accordance with the National Building Code. What is the date of effectivity of this resolution?
December 2, 2017
787
The change in enthalpy is negative when energy is absorbed in the formation of a compound from its elements. True or False
False
788
A substance is oxidized when It loses electrons. True or False
True
789
``` The severity of electric shock is related to the following elements: I. Amount of current II. Length of time current is present III. Path of current through the body IV. Frequency of current (Hz) ```
I, II, III and IV
790
What are van der Waals forces?
Weak secondary bonds between atoms
791
Which of the following is/are true about Fick’s first law for diffusion? I. It is only applicable to gases and liquids, not solids. II. The law states that the flux moves from high to low concentrations. III. J, the flux, may be in units of cm³/cm²∙s
II and III
792
What are valence electrons?
The outer-shell electrons
793
The electrons, particularly the outermost ones, affects most of the electrical and thermal properties of materials. True or False
True
794
One of the qualifications of applicant for registration as Professional Electrical Engineer is that he is a Registered Electrical Engineer with valid certificate of registration and professional license and with _____ or more of active practice reckoned from the date of his registration as a Registered Electrical Engineer.
4 years
795
What is an annuity?
A series of uniform amounts over a period of time.
796
When installing a surge arrester at the service of less than 1000 volts, the grounding conductor shall be connected to ______. I. the grounded service conductor II. the grounding electrode conductor III. the grounding electrode for the service IV. the equipment grounding terminal in the service equipment
I, II, III or IV
797
From what were the curves of the Moody friction factor diagram for pipe flow determined?
Experimental results for viscous fluids
798
For pipe flow in laminar flow region, how is the friction factor related to the Reynolds number?
f is proportional to 1/Re
799
The acceleration of any point within a homogeneous body rotating with a constant angular velocity is proportional to the distance of that point to the center of mass. True or False?
False
800
Entrances to rooms and other guarded locations containing exposed live parts shall be marked with _____warning signs forbidding unqualified persons to enter.
conspicuous
801
Section 39 of R. A. No. 7920 states that the _______ shall act as legal adviser of the Board.
Secretary of Justice or his assistant
802
``` Which of the following are intensive properties? I. Temperature II. Pressure III. Composition IV. Mass ```
I, II and III
803
U = Q + W. True or False?
False
804
Plug fuses must have what specific shape?
Hexagonal
805
The inert gases are _______ in water.
sparingly soluble
806
The metal that is usually extracted from sea water is ______.
Mg
807
Decreases in pressure due to friction in valves, tees, and elbows, and other frictional effects. These are called ________
minor losses
808
Where a motor is connected to a branch circuit by means of an attachment plug and receptacle and individual overload protection is omitted, the rating of the attachment plug and receptacle shall not exceed _____ or 250 volts.
15 amperes at 125 volts
809
Which network protocol is used to send email?
SMTP
810
The _________ of a nucleus is the sum of the number of protons and neutrons present in the nucleus.
mass number
811
The luster of a metal is due to ______.
presence of free electrons
812
A liquid boils when its vapor pressure is equal to ______.
the ambient pressure
813
The property of a fluid which offers resistance to shear is called _______.
viscosity
814
The cross-sectional area of flow divided by the wetted perimeter is called __________.
hydraulic radius
815
Fixtures shall be so constructed that adjacent combustible material will not be subject to temperature in excess of ______ degrees C.
90
816
The minimum electrical trade size of flexible metallic tubing shall be _____.
20 mm
817
EEPROM stands for _______.
Electrically Erasable Programmable Read-Only Memory
818
``` Arithmetic logic unit: I. perform arithmetic operations II. store data III. perform comparison IV. communicate with input devices From the above, the correct one is: ```
I and III only
819
The flow of fluid or stream which may be represented by a straight line is called ______.
one-dimensional flow
820
What does the Charpy impact test measure? I. The energy required to break a test sample. II. The strength of a test sample III. The ductile to brittle transition temperature of metals
I and III
821
What is the minimum depth of clear working space in front of a switchboard rated at 4,160 volts, where there are exposed energized parts on the both sides of the workspace?
1,900 mm
822
Hazardous locations are classified by the Philippine Electrical Code in how may classes?
Three classes
823
Where rear access is required to work on de-energized parts on the back of enclosed equipment, a minimum working space of _______ horizontally shall be provided.
800 mm
824
A pump used for pumping water with high suction lift and used for piping condensate is the _____.
turbine pump
825
Under conditions of very slow deformation and high temperature, it is possible to have plastic flow in a crystal at shear stresses lower than the critical shear stress. What is this phenomenon called?
Creep
826
In molecules of the same composition, what are variations of atomic arrangements known as?
Isomers
827
Plug fuses shall not be installed in circuits exceeding ________ between conductors.
250 V
828
The material which can be deformed permanently by heat and pressure is called a ______.
thermoset
829
The ideal reversible Carnot cycle involves several basic processes. What type of processes are they?
Two isothermal and two isentropic
830
The hardest form of carbon is:
Diamond
831
Which of the following thermodynamic cycles is the most efficient?
Carnot
832
Plug fuses and fuseholders can be used in circuits supplied by a system having a grounded neutral and having no conductor at over ____ volts to ground.
150
833
Potential transformers, and other switchboard devices with potential coils shall be supplied by a circuit that is protected by standard overcurrent devices rated ____ amperes or less.
15
834
Alkali-type battery cells in jars of conductive material shall be installed in trays of nonconductive material with not more than _____ 24 volt cells in the series circuit in any one tray.
twenty
835
How is the material usage variance defined?
(quantity issued – standard quantity)(standard price)
836
The high reactivity of fluorine is due to:
Its high electronegativity
837
For which type of process is the equation dQ = TdS valid?
Reversible
838
Fixed electric space heating loads shall be computed at _____ % of the total connected load, however in no case shall a feeder load current be less than the rating of the largest branch circuit supplied.
100
839
For an irreversible process, what is true about the total change in entropy of the system and surroundings?
dS > 0
840
A type of a cable which is a single or multi-conductor solid dielectric insulated cable rated 2001 volts or higher.
MV
841
One of the most popular pumps because of its simplicity, low cost, and ability to operate under a wide variety of conditions are the ______.
centrifugal pumps
842
The code requires that all energized parts of electrical equipment operating at _____ or more shall be guarded against accidental contacts by approved enclosures.
50 volts
843
Section 28 states that “after _______ from the finality of the Board’s decision, the Board, out of equity and justice, may recommend to the Commission the issuance of the certificate of registration to the applicant”.
no less than a year
844
The basic part of a centrifugal pump that imparts velocity to liquid, resulting from centrifugal force as it is rotated is the _____.
impeller
845
When circuit breakers are installed in enclosed switchboards, they are usually derated to a certain percentage. What is this percentage?
80%
846
Assuming i = annual rate of return, n = number of years, F = future worth and P = present worth, what is the future worth of a present amount P?
P(1 + i)ⁿ
847
Which of the following is NOT a basic component of motion of fluid element?
Twist
848
Which of the following must be satisfied by the flow of any fluid, real or ideal? I. Newton’s second law of motion II. The continuity equation III. The requirement of a uniform velocity distribution IV. Newton’s law of viscosity V. The principle of conservation of energy
I, II and V
849
For grounding electrode to which portable or mobile equipment system neutral impedance is connected, shall be isolated from the ground by at least _____ from any other system or equipment grounding electrode.
6,000 mm
850
Any person who violates any provision of R. A. No. 9292 may be imprisoned for a period not less than ______.
6 months to 5 years
851
The R. A. No. 7920 is a Senate Bill No. _______.
1766
852
A 10-stage pump is used to lift water for a total head of 280 m, a capacity of 100 lps and a speed of 600 rpm. The pump type is ______.
radial-flow type pump