MATH AND ESAS

Question 1

Circle with same center but unequal radii

Answer 1

Concentric

Question 2

Cylinder with elliptical cross section

Answer 2

Cylindroid

Question 3

Line segment joining two point

Answer 3

Chord

Question 4

Cylinder Container: Open Top

Answer 4

Radius = Height

Question 5

Cylindrical Container: Closed

Answer 5

2Radius = Height

Question 6

Limacon

Answer 6

r = a+bcosθ

Question 7

Cardioid

Answer 7

r = a±cosθ

Question 8

Lemniscate

Answer 8

r² = a²cosθ

Question 9

Rose

Answer 9

r = a sin nθ and r = a cos nθ

Question 10

Special Rule of Addition of Probability: P (A ∪ B) = P(A) + P(B)

Answer 10

Mutually Exclusive Event

Question 11

Special Rule of Multiplication: P (A ∩ B) = P(A) ∙ P(B)

Answer 11

Independent Events

Question 12

General Rule of Distribution

Answer 12

Bayesian Event

Question 13

Normal Distribution

Answer 13

Empirical

Question 14

Bell Shaped Distribution: P(1) - P(-1)

Answer 14

68% of Data

Question 15

Bell Shaped Distribution: P(2) - P(-2)

Answer 15

95% of Data

Question 16

Bell Shaped Distribution: P(3) - P(-3)

Answer 16

99.7% of Data

Question 17

Distance of Point from Y-Axis

Answer 17

Abscissa

Question 18

Distance of Point From x-axis

Answer 18

ordinate

Question 19

Iceberg with density of 917 kg/m3: at what volume will it be visible

Answer 19

8.3%

Question 20

Iceberg with density of 917 kg/m3: at what volume will it submerge

Answer 20

91.7%

Question 21

Human Body in freshwater with density of 980 kg/m3: at what % of body will it float?

Answer 21

2%

Question 22

Human Body in freshwater with density of 980 kg/m3: at what % of body will it submerge?

Answer 22

98%

Question 23

A bar of uniform cross section is subject to a uniaxial tension and develops a strain in the direction of the force of 1/800. Calculate the change of volume per unit volume. Assume μ = 1/3

Answer 23

1/2400 inc

Question 24

A bar of uniform cross section is subject to a uniaxial compression and develops a strain in the direction of the force of 1/800. Calculate the change of volume per unit volume. Assume μ = 1/3

Answer 24

1/2400 dec

Question 25

In a spreadsheet (EXCEL), the number in cell **A2 is set to 2**. Then cell B2 is set to A2*4/$A$2, where $ indicates the absolute cell address. This formula is copied into cells C2 and D2. What is the value shown in cell D2?

Answer 25

16

Question 26

Spreadsheet Excel: A3 set to 3

Answer 26

24

Question 27

Not a method of truss analysis

Answer 27

Maxwell

Question 28

Fluid velocity measurement

Answer 28

Pitot Tube

Question 29

Air pressure measuring instrument

Answer 29

Barometer

Question 30

Measure Pressure

Answer 30

Manometer

Question 31

Measure Density

Answer 31

Pycnometer

Question 32

Pressure of head of a liquid

Answer 32

PIezometer

Question 33

Flow rate through a pipe

Answer 33

Venturi meter

Question 34

Measure relative humidity

Answer 34

Hygrometer

Question 35

Measure specific gravity

Answer 35

Hydrometer

Question 36

Pressure measuring device today

Answer 36

Bourdon Tube Gauge

Question 37

Straight Line Path

Answer 37

Laminar Flow

Question 38

Random Path

Answer 38

Turbulent Flow

Question 39

Combination of Laminar and Turbulent

Answer 39

Critical

Question 40

Laminar FLow, Vave Fraction of Vmax in a **Pipe**

Answer 40

1/2

Question 41

Laminar FLow, Vave Fraction of Vmax in a **Parallel Plate**

Answer 41

2/3

Question 42

Moment Diagram: No external load

Answer 42

Linear

Question 43

Moment Diagram: Uniform Distributed Load

Answer 43

Parabolic

Question 44

Moment Diagram: Concentrated load at midpoint

Answer 44

Triangle

Question 45

Maximum bending moment for simply supported beam with udl over entire length of beam if W = weight of beam and L = length of beam, is:

Answer 45

WL/8

Question 46

Maximum bending moment for simply supported beam with udl over **concentrated load** of beam if W = weight of beam and L = length of beam, is:

Answer 46

WL/4

Question 47

Maximum bending moment for simply supported beam with udl over **uniform distributed load** of beam if W = weight of beam and L = length of beam, is:

Answer 47

WL^2/8

Question 48

Waves: Bending and spreading around corners

Answer 48

Diffraction

Question 49

Waves: one medium to another

Answer 49

Refraction

Question 50

Waves: wave bounces back after hitting a surface/boundary

Answer 50

Reflection

Question 51

Waves: Overlapping of two or more waves

Answer 51

Interference

Question 52

Heat absorbed

Answer 52

Endo

Question 53

Heat Released

Answer 53

Exo

Question 54

Transferring of Electrons

Answer 54

Ionic

Question 55

Sharing of Electrons

Answer 55

Covalent

Question 56

Sharing of free electrons

Answer 56

Metallic

Question 57

Weak type of chemical bond

Answer 57

Van Der Waals

Question 58

Available for Service but is not in operation

Answer 58

Cold Reserve

Question 59

Operation but is not in service

Answer 59

Hot Reserve

Question 60

Connected to bus and is ready to take a load

Answer 60

Spinning Reserve

Question 61

Alerts: Low Contingency

Answer 61

Yellow

Question 62

Alerts: Contingency reserve is zero

Answer 62

Red

Question 63

Alerts: Tropical Disturbance 24hours

Answer 63

Blue

Question 64

Alerts: Peace and Order

Answer 64

Security

Question 65

Alerts: Load shedding in the next 30 minutes

Answer 65

Demand Control Immense Warning

Question 66

Strengths: Highest ordinate

Answer 66

Ultimate

Question 67

Strengths: Rupture Ordinate

Answer 67

Rupture

Question 68

Strengths: Withstand without permanent deformation

Answer 68

Yield

Question 69

Strengths: Maximum Strength

Answer 69

Tensile

Question 70

Steel Used for drills, cutting tools

Answer 70

High Carbon Steel

Question 71

Steel Used for gears, axles

Answer 71

Medium Carbon Steel

Question 72

Steel used for structural shapes, wires, screw machine parts

Answer 72

Low carbon steel

Question 73

Rules in Designing (Significant Changes)

Answer 73

Wiring Rule, Installation Rule and Manufacturing Rule

Question 74

Big Persons in EE Industry: Qualified to become PRC Commissioner

Answer 74

PEE

Question 75

Big Persons in EE Industry: Qualified to become ERC Commissioner

Answer 75

Lawyer

Question 76

Big Persons in EE Industry: Current PRC Commissioner

Answer 76

Charito A. Zamora

Question 77

Big Persons in EE Industry: Current Chairman of BEE

Answer 77

Francis Mapile

Question 78

PRBEE - RESOLUTION NO. ___________________ SERIES OF 2017

Answer 78

18

Question 79

PRC - Created Under

Answer 79

PD 223

Question 80

PEP - PERSUANT TO

Answer 80

RA 7683

Question 81

CPD POINTS

Answer 81

15

Question 82

Continuous Load, Max current continue for

Answer 82

3 hours or more

Question 83

Minimum Size of Conductor for lighting

Answer 83

2.0mm2

Question 84

Minimum Size Connected to 40A CKT

Answer 84

5.5mm2

Question 85

PEC 2009 IS BASED ON

Answer 85

NEC 2005

Question 86

PEC 2017 IS BASED ON

Answer 86

NEC 2017

Question 87

Longer Axis of Ellipse is called

Answer 87

PROLATE

Question 88

Shorter Axis of Ellipse is called

Answer 88

OBLATE

Question 89

Find the values of z such that e^4z = i

Answer 89

(π/8 )i+(kπ/2) i

Question 90

e^iz is equal to

Answer 90

e^-3√3

Question 91

Sine Angles at maximum ratio of sides

Answer 91

1:1:1

Question 92

What is log(3-2i)

Answer 92

0.5570 - j0.2554

Question 93

Tetrahedron Volume is

Answer 93

√2/12 b^3

Question 94

Tetrahedron Area is

Answer 94

√3 b^2