Building Utilities Flashcards
Building Tech (200 cards)
0
Q
A system of devices, usually installed below ground level, to scatter or spray water droplets over a lawn, golf course, or the like.
A
Lawn Sprinkler System
1
Q
The amount of heat which is absorbed or evolved in changing the state of a substance without changing its temperature.
A
Latent Heat
2
Q
A factor used in calculating cooling loads that includes heat transferred from walls, doors, ceiling etc is known as____.
A
Thermal Load
3
Q
Mho as used in electrical systems calculation is defined as _____.
A
The reciprocal of Ohm
4
Q
A bathroom containing a water closet, a lavatory, and a bathtub.
A
Full bath
5
Q
Sound Transmission Loss (STL) is/are affected by the following_____.
A
Material density, Medium & Intensity of sound from source
6
Q
In Inverse Square Law, it states that “sound intensity _____the square of the distance from the source.”
A
Varies Inversely with
7
Q
A receptacle attached to a plumbing system other than a trap in which water or wastes may be collected or obtained for ultimate into the plumbing system.
A
Fixture
8
Q
Tesla is the unit of____.
A
Magnetic Flux density
9
Q
The first section of water supply piping in a building after the water meter.
A
Building supply pipe
10
Q
The following are examples of pre-fabricated acoustical units except hardwood panel.
A
Slotted tile or panel, Shredded wood foamboard, & Fissured tile panel.
11
Q
The following are elements of centralized air conditioning system except method of cooling.
A
- Control Equipment 2. Air Handling unit
12
Q
What is / are the advantages of a circuit breaker over a fuse.
A
- It can act as a switch 2. Its position can be easily detected (close/open) 3. It can be used again after fault has been corrected
13
Q
The following are ways in which heat may be transferred except polarization.
A
- Radiation 2. Convection 3. Conduction
14
Q
A type of raceway specially constructed for the purpose of pulling in or the withdrawing of wires or cables after the conduit is in place.
A
Rigid Metal conduit (RMC)
15
Q
Creep is the phenomenon whereby sound travels in a_____.
A
Curve surface
16
Q
A unit of mechanical power is horsepower. What is the unit for electrical power?
A
Watt
17
Q
The following are basic component parts of an escalator except Governor.
A
- Step Assembly 2. Balustrade assembly 3. Continuous Belt
18
Q
Who said these prophetic words: “Let the future tell the truth and evaluate each one according to his work and accomplishment. The present is theirs, the future for which i really worked for is mine.”?
A
Nikola Tesla
19
Q
Classifications of copper pipes.
A
Rigid and Flexible
20
Q
A rough or sharp edge left on metal by a cutting tool.
A
Burr
21
Q
Two types of passenger elevator.
A
Electric and hydraulic
22
Q
A device that is basically a double throw switch of generally 3-pole connection that will automatically transfer the power from the standby generator to the building circuitry during electrical power failure.
A
Automatic Transfer Switch (ATS)
23
Q
TW in electrical wire specification means.
A
Moisture resistant, in wet and dry location
24
Another name for passenger elevator.
Lift
25
Collection line of a plumbing system is sometimes referred to as.
House Drain
26
A type of lighting that provides illumination to special objects like sculptures, flower arrangements, etc.
Specific Lighting
27
XHHN in wire specification means.
Moisture and Heat Resistant- Cross-Linked Thermosetting
28
An assembly consisting of a pulley wheel, side plates, shaft, and bearings over which a cable or roped is passed.
Sheave
29
The other type of flame detector other than the ultraviolet type.
Infra Red
30
A composition of two or more metals fused together usually to obtain a desired property.
Alloy
31
A generator is to be placed inside a building. What will you provide to avoid and spare the building from the constant effect of vibration coming from the Generator?
Provide Neoprene Pad under the Generator Set
32
PABX or PBX means.
Pvt. Automatic Branch Exchange
33
Farad is the unit capacity of a \_\_\_.
Capacitor
34
Another name for distribution panel.
Power Panel
35
Type of plastic pipe other than polyvinyl chloride and polybutylene.
Polyethylene
36
A device for converting alternating current to direct current.
Rectifier
37
Another name for a Rectifier.
D.C Generator
38
A controller sensitive to the degree of moisture in the air.
Humidistat
39
Another name for Humidistat.
Hygrostat
40
Consist of a flyball or flyweight device designed to stop an elevator.
Governor
41
A stop valve placed in the service pipe close to the connection at the water main.
Corporation Stop
42
A vent with a function to provide circulation if air between drainage and vent system.
Relief Vent
43
Flange used on a pipe to cover a hole or opening in a floor or wall which the pipe pass.
Escutcheon
44
Length along the centerline of the pipe and fitting.
Developed Length
45
A valve used in a flush tank controlling the flushing of fixture.
Flush Valve
46
Any liquid waste containing animal or vegetable matter in suspension or solution.
Sewage
47
Component of fire extinguisher.
Carbon Monoxide
48
Interrelationship between value of voltage and current with the same frequency.
Phase
49
Descriptive of any material such as synthetic resin which hardens when heated or cured, and does not soften when reheated.
Thermosetting
50
An Instrument which responds to changes in temperature, and directly or indirectly controls temperature.
Thermostat
51
Thin sheets that are used for controlling heat in drywall construction.
Rigid Board Insulation
52
A machine that converts mechanical energy into electrical energy, a generator of alternating current.
Alternator
53
Freon in air-con must be compressed and liquefied in order to absorb \_\_\_.
Heat
54
A type of pipe fitting for a Yoke Vent.
1/8 Bend
55
A device installed on an electric water heater used to detect the working temperature to activate a switch.
Thermostat
56
Term applied to the interconnection of the same fixtures in one soil or waste branch with one branch vent.
Battery of Fixtures
57
A single vent that ventilates multiple traps in the case of a back to back vent.
Common Vent
58
Single lever valves used in kitchen sink and lavatory faucets or at shower valves works the principle of a \_\_\_\_\_.
Ball Valve
59
Standard frequency of power supplied by the local power utility company like Meralco.
60 Cycles
60
The overhead service conductors from the last pole or other aerial support to and including splices, if any, connecting to the service entrance conductors at the building.
Service Drop
61
Unit of loudness level.
Phon
62
The process of dissipating sound energy by converting it to heat.
Sound Absorption
63
Distance sound travels during each cycle of vibration.
Wavelength
64
The reduction in the intensity or in the sound pressure level of sound which is transmitted from one point to another.
Sound Attenuation
65
Unit of sound absorption equivalent to 1 square foot of perfectly absorptive material.
Sabin
66
Acoustical phenomenon which causes sound wave to be bent or scattered around.
Sound Diffraction
67
Minimum sound pressure level that is capable of being detected by the human ear.
Threshold of Audibility
68
Fluctuation in pressure, a particle displacement in an elastic medium.
Sound
69
Sound sensation in a single frequency.
Pure Tone
70
Wave produced by a pure tone.
Sine Wave
71
Synonymous with a lighting fixture.
Luminaire
72
The luminous intensity of light is expressed in \_\_\_.
Candela
73
It refers to an individual who worked in the sanitary field of ancient Rome.
Plumbarius
74
In Latin, it means 'lead'.
Plumbum
75
A specially designed system of waste piping embodying the horizontal wet venting of one or more sinks or floor drains by means of a common waste and vent pipe adequately sized to provide free movement of air above the flow line of the drain.
Combination Waste and Vent System
76
Vertical flow of air used to separate different functions of spaces.
Air curtain
77
Type of lighting dealing with relatively large area lighting.
General Lighting
78
During elevator emergency, to rescue passengers, this part of the elevator is used to open the doors from the outside.
Outside Door Latch
79
A device which extends across at least 1/2 the width of each door leaf which will open if subjected to pressure.
Panic Bar
80
A system of pipes, valves, and fixtures for distributing and using water in a building.
Water System
81
Any member of piping system other than a main, riser or stack.
Branch
82
A vertical pipe, conduit or duct in a utility system.
Riser
83
A principal pipe, conduit, or duct in a utility system.
Main
84
An expansion joint of pipe and pipe fittings permitting thermal expansion to occur in a long run of hot water piping
Expansion bend
85
A threaded exterior faucet as for attaching a garden hose, often attached to the side of the house at about the height of a sill.
Hose bibb
86
A water supply and distribution system in which the water source is set at a height sufficient to maintain adequate supply pressure throughout the water distribution system also called downfeed distribution system.
Gravity water system
87
A water supply system in which water is distributed from a water main or an enclosed storage tank under pressure from compressed air also called upfeed distribution system.
Pneumatic Water Suppy
88
A unit for measuring the probable demand for water by a plumbing fixture or the probable discharge of liquid waste from the fixture equivalent to 7 1/2 gallons or 1 cubic foot per minute.
Fixture unit
89
An apparatus that removes calcium and magnesium salts from hard water by ion exchange in order to give the water more efficient sudsing ability with soap.
Water Softener
90
Water containing dissolved salts or calcium or magnesium and forming soap lather with difficulty.
Hard Water
91
Sanitary sewage from buildings shall be discharged directly to the nearest \_\_\_.
Sanitary Sewer Main
92
Receptacles intended to receive and discharge water, water-carried waste into a drainage system with which they are connected.
Fixture
93
The simplest type of building automation system.
Telecommunication System
94
A vent pipe connected to a vent stack.
Circuit vent
95
A vent pipe connected to a stack vent.
Loop vent
96
Instrument used for measuring atmospheric pressure.
Barometer
97
Best type of fire detection that can detect fire during the incipient stage.
Ionization
98
Condensing unit is a part of a \_\_\_.
Refrigeration
99
A fire detector installed in a fire alarm system which uses low melting point solders or metal that expands when exposed to heat to detect a fire.
Fixed Temperature Heat Detector
100
INSTRUMENT OR TOOL CAPABLE OF VERTICAL AND HORIZONTAL LINE CHECK.
spirit level
101
IT'S USES FOR VERTICAL LINE CHECK.
plumb bob
102
A METHOD OF LEVELLING (HORIZONTAL) BATTERBOARDS WITHOUT TRANSIT.
plastic hose filled with water
103
A MANUAL METHOD OF SQUARING THE CORNERS OF BUILDING LINES IN BUILDING LAYOUT.
3-4-5 MULTIPLES W/ THE USE OF STEEL TAPE MEASURE
104
A BARRIER FORMED TO PREVENT THE MOVEMENT OF SOIL TO STABILIZE FOUNDATION.
SHEET PILLING
105
IS SOMETIMES CALLED " STAKING OUT" WHICH MEANS THE PROCESS OF RELOCATING THE POINT OF BOUNDARIES AND PROPERTY LINE OF THE SITE WHERE THE BUILDING IS TO BE CONSTRUCTED. IT INCLUDES CLEARING, STAKING, BATTER BOARDS AND ESTABLISHES THE EXACT LOCATION OF THE BUILDING FOUNDATION AND WALL LINE ON THE GROUND.
LAYOUT
106
ARE WOODEN STICKS USED AS POSTS SHARPENED AT ONE END DRIVEN INTO THE GROUND TO SERVE AS BOUNDARIES OR SUPPORTS OF THE BATTER BOARDS.
BATTER BOARD
107
IS EITHER PLASTIC CHORD OR GALVANIZED WIRE ACROSS THE BATTER BOARDS USED TO INDICATE THE OUTLINE OF THE BUILDING WALL AND FOUNDATION.
STRING
108
1. BEFORE THE CONSTRUCTION BEGINS, SEE TO IT THAT A BUILDING PERMIT IS FIRST SECURED FROM THE LOCAL AUTHORITIES CONCERNED. 2. RELOCATE THE BOUDARIES OF THE CONSTRUCTION SITE. IT IS SUGGESTED THAT THE RELOCATION OF THE PROPERTY LINE SHALL BE DONE BY GEODETIC ENGINEER SPECIALLY FOR THOSE LOTS WITHOUT EXISTING REFERENCE POINTS OR ADJOINING STRUCTURES. 3. CLEAR THE SITE OF ANY EXISTING STRUCTURE, TREES, AND OTHER ELEMENTS THAT WILL OBSTRUCT THE CONSTRUCTION WORK. 4. CONSTRUCT AND ALLOCATE A SPACE FOR LABORERS' QUARTERS, CONSTRUCTION OFFICE, BODEGA FOR THE MATERIALS AND WORKING TOOLS AND TEMPORARY WASTE DISPOSAL. 5. APPLY FOR A TEMPORARY CONNECTIONS OF ELECTRIC AND WATER SUPPLY. ELECTRIC CURRENT IS IMPORTANT FOR THE POWER NEEDS OF THE TOOLS AND EQUIPMENT AND IS NECESSARY ON OVERTIME SCHEDULES ESPECIALLY IN THE TIME OF CONCRETING. WATER IS ALSO A PRIME NEED IN CONSTRUCTION. 6. CONSTRUCT A TEMPORARY FENCE AROUND THE CONSTRUCTION. 7. VERIFY THE MEASUREMENT IN THE PLAN IF THE DISTANCES INDICATED ARE FORM: • CENTER TO CENTER • OUTER TO CENTER • OUTER TO OUTER • INSIDE TO INSIDE 8. FIX THE BATTER BOARD TO ITS HORIZONTAL POSITION WITH THE AID OF LEVEL INSTRUMENT PREFERABLY PLASTIC HOSE WITH WATER. 9. AFTER ESTABLISHING THE REFERENCE POINT AND LINE OF THE FOOTING, TRANSFER THE INTERSECTING POINTS OF THE STRING ON THE GROUND BY THE AID OF PLUMB BOB AND INDICATE THE SIZE AND WIDTH TO BE EXCAVATED.
LAYOUT METHODS AND PROCEDURES
109
EXCAVATION WORK IN BUILDING CONSTRUCTION IS CATEGORIZED INTO TWO TYPES: THE MINOR AND MAJOR EXCAVATION DEPENDING UPON THE SIZE AND NATURE OF THE FOUNDATION TO BE CONSTRUCTED. EXCAVATION FOR A SMALL CONSTRUCTION WITH INDEPENDENT WALL, OR COMBINED FOOTING IS CLASSIFIED UNDER THE MINOR EXCAVATION, WHILE THE REST WHICH REQUIRES SIZEABLES OR TOTAL EXTRACTION OF THE EARTH FALL UNDER THE CATEGORY OF MAJOR CONSTRUCTION.
EXCAVATION
110
EXCAVATION UNDER THIS CATEGORY ARE THOSE CONSTRUCTION HAVING INDEPENDENT FOOTING AND HOLLOW BLOCK WALL FOOTING WHERE THE DIGGING OF THE SOIL FOR THE FOOTING EXTEND TO A DEPTH FROM 1.00 TO 1.50 METER AND ABOUT HALF A METER DEPTH FOR THE WALL FOOTING.
MINOR EXCAVATION
111
BUILDING CONSTRUCTION THAT REQUIRES WIDE EXCAVATION OR TOTAL EXTRACTION OF THE SOIL ARE CLASSIFIED INTO TWO CATEGORIES DEPENDING UPON THE CONDITION OR LOCATION OF THE SITE. WHEN THE AREA OF THE CONSTRUCTION SITE IS BIG THAT THERE IS ENOUGH SPACE TO ACCOMMODATE WORKING ACTIVITIES, STORING OF MATERIALS AND DUMPING GROUND FOR THE EXCAVATED SOIL.
MAJOR EXCAVATION
112
THE FUNCTION OF A ________ IS TO TRANSFER THE STRUCTURAL LOADS FROM A BUILDING SAFELY INTO THE GROUND.\_\_\_\_\_IS THAT PORTION OF THE STRUCTURAL ELEMENTS THAT CARRY OR SUPPORT THE SUPERSTRUCTURE OF THE BUILDING.
FOUNDATION
113
1. SUPERSTRUCTURE 2. SUBSTRUCTURE 3. FOUNDATION
3 MAJOR PARTS OF A BUILDING
114
\_\_\_\_\_\_WHICH IS THE ABOVE GROUND PORTION OF THE BUILDING.
SUPERSTRUCTURE
115
\_\_\_\_\_\_WHICH IS THE HABITABLE BELOW-GROUND PORTION.
SUBSTRUCTURE
116
\_\_\_\_\_\_WHICH ARE THE COMPONENTS OF THE BUILDING THAT TRANSFER ITS LOAD INTO THE SOIL.
FOUNDATION
117
1. SLAB ON FILL 2. CRAWLSPACE 3. BASEMENT
3 TYPES OF SUBSTRUCTURES
118
1. SHALLOW FOUNDATIONS 2. DEEP FOUNDATIONS
2 BASIC TYPES OF FOUNDATIONS
119
\_\_\_\_\_\_\_IS THAT PORTION OF THE FOUNDATION OF THE STRUCTURE WHICH DIRECTLY TRANSMIT THE COLUMN LOAD TO THE UNDERLYING SOIL OR ROCK, FOOTING IS THE LOWER PORTION OF THE FOUNDATION STRUCTURE.
FOOTING
120
REFERS TO THE SOIL OR ROCK DIRECTLY BENEATH THE FOOTING.
FOUNDATION BED
121
WHEN A FOUNDATION BED IS TOO WEAK TO SUPPORT A RAFT FOOTING, THERE IS AN URGENT NEED TO PROVIDE A SUITABLE MATERIALS WHERE TO TRANSFER THE EXCESS LOAD TO A GREATER DEPTH WHEREIN PILES IS THE ANSWER.
PILE FOUNDATION
122
- IS A STRUCTURAL MEMBER OF SMALL CROSS-SECTIONAL AREA WITH REASONABLE LENGTH DRIVEN DOWN THE GROUND BY MEANS OF HAMMERS OR VIBRATORY GENERATOR.\_\_\_IS DISTINGUISHED FROM A CAISSON BY BEING DRIVEN INTO PLACE RATHER THAN DRILED & POURED. PILES ARE GENERALLY DRIVEN CLOSELY TOGETHER IN CLUSTERS CONTAINING FROM TWO TO TWENTY-FIVE PILES. EACH CLUSTER IS LATER JOINED AT THE TOP BY A REINFORCED CONCRETE PILE CAP.
PILE
123
DISTRIBUTES THE LOAD OF THE COLUMN OR WALL EQUALLY AMONG THE PILES.
CAISSONS
124
THAT PART OF THE BUILDING FOUNDATION WHICH FORMS THE PERMANENT RETAINING WALL OF THE STRUCTURE BELOW GRADE.
FOUNDATION WALL
125
THAT PART OF A FOUNDATION SYSTEM W/C SUPPORTS THE EXTERIOR WALL OF THE SUPERSTRUCTURE AND BEARS DIRECTLY ON THE COLUMN FOOTING.
GRADE BEAM
126
A WALL OR LATERALLY BRACED, THAT BEARS AGAINST AN EARTH OR OTHER FILL SURFACE AND RESISTS LATERAL AND OTHER FORCES.
RETAINING WALL
127
A REINFORCED CONCRETE WALL WHICH RESIST OVERTURNING BY THE USE OF CANTILEVER FOOTING.
CANTILEVER WALL
128
A MASSIVE CONCRETE WALL THAT RESIST OVERTURNING BY VIRTUE OF IT'S OWN WEIGHT.
GRAVITY WALL
129
A WALL CAPABLE OF SUPPORTING AN IMPOSED LOAD.
BEARING WALL
130
1. WALL FOOTING OR STRIP FOOTING 2. COLUMN FOOTING
TWO TYPES OF FOOTINGS
131
1. SQUARE BLOCK FOOTING 2. SQUARE SLOPE FOOTING 3. SQUARE STEEPED FOOTING
THREE FORMS OF ISOLATED OR INDEPENDENT FOOTING
132
IS A STRIP OF REINFORCED CONCRETE WIDER THAN THE WALL WHICH DISTRIBUTES THE LOAD TO THE SOIL.
WALL FOOTING OR STRIP FOOTING
133
A STEEL PERCENTAGE EQUALS TO\_\_\_\_\_\_ OF THE CROSS SECTIONAL AREA OF CONCRETE IS SAID TO BE ADEQUATE EXCEPT ON UNUSUAL CASES.
0.2% TO 0.3%
134
- IS A KIND OF FOOTING REPRESENTS THE SIMPLEST AND MOST ECONOMICAL TYPE.
ISOLATED OR INDEPENDENT FOOTING
135
IS USED WHEN TWO OR MORE COLUMNS ARE SPACED CLOSELY TO EACH OTHER THAT THEIR FOOTING WILL ALMOST OR COMPLETELY MERGE. ITS EITHER RECTANGULAR OR TRAPEZOIDAL.
COMBINED FOOTING
136
Locks used in Toilet in Bath
Lock inside
137
Locks used in Main door
Double Lock
138
A building will be erected on a coastal area.
Provide big balcony
139
What type of roofing will be used in a heavy forested area?
steep gable roof on metal framing
140
What kind of glass can redirect the suns reflection?
glass block
141
A building will be erected on a hilltop, what roofing system and materials will be used?
metal roofing
142
Due to the weather in our country, what material is not used as an exterior wall?
Dry wall
143
This is being built in order to prevent soil erosion on creeks.
Riprap
144
Used for bonding ceramic tiles on walls and floors?
tile adhesive
145
Where should you put the heat roofing materials?
over the rafter
146
Kind of material imitated by PVC.
Wood
147
What is the best thickness of gravel bedding?
0.20m
148
What should you use as a partition of T&B at second floor to reduce the sound generated from flushing of toilet in bedrooms?
6" chb
149
What door is used for kitchen?
double action door
150
Which is not used in joining concrete?
steel wires
151
What window is used in high-rise buildings and best to ward off rain?
awning
152
Class AA mixture?
1: 1.5 :3
153
Class C mixture?
1:3:6
154
Class A mixture?
1:2:4
155
Common thickness of plywood used for formworks?
1/2
156
A faucet fitted with a nozzle curving downward used as a draw-off tap.
Bibbcock
157
Reference in measuring the depth of a trap seal of a trap.
Top dip to Crown Weir
158
A pipe fitting shaped like 'S'.
Double bend
159
True or false, 60° branches or offsets may be used only when installed in a true vertical position.
TRUE
160
Cleanouts may be omitted on a horizontal drain less than 1.5 meters in length unless such line is serving sinks or urinals, true or false.
TRUE
161
The rate of flow of light through a surface.
Luminous Flux
162
The luminous intensity of any surface in a given direction per unit of projected area.
Luminance
163
A unit of illumination equivalent to 1 lumen per square foot.
Foot-Candle
164
A unit of illumination equivalent to 1 lumen per square meter.
Lux
165
Type of lighting system where 90-100% of light output is directed to the ceiling and upper Indirect Lighting walls of the .
Indirect Lighting
166
The material used for filament in an incandescent bulb.
Tungsten
167
The equivalent of filament in a fluorescent lamp.
Cathode
168
An automatic device used for converting high, fluctuating inlet water pressure to a lower constant pressure.
Pressure Regulating Valve
169
An air-operated device used to open or close a damper or valve.
Air motor
170
In theater stage house, a weight usually of iron or sand used to balance suspended scenery, or the like.
Counterweight
171
On elevators, a gear-driven machine having a drum to which the wire ropes that hoist the car are fastened, and on which they wind.
Winding-Drum Machine
172
Vertical tracks that serves as a guide for the car and the counterweight.
Guiderails
173
A private telephone system that interconnects with public telephone systems.
PABX
174
Resistance in alternating current system.
Impedance
175
The reciprocal of conductance.
Resistance
176
The rate of flow of sound energy.
Sound Intensity
177
Lighting used primarily to draw attention to particular points of interest.
Accent Lighting
178
A means of producing light from gaseous discharge.
Flourescence
179
A type of High-Intensity-Discharge lamp (HID).
High-Pressure Sodium (HPS)
180
Sound system input device that reacts to and converts variable sound pressure into electrical current.
Microphone
181
A rate of rise type detector.
Thermal Detector
182
Light originating from sources not facing each other, as from windows in adjacent walls.
Cross Light
183
The process of removing calcium and magnesium deposits in water.
Softener
184
A lighting unit consisting of one or more electrical lamps.
Luminaire
185
A louvered construction divided into cell-like areas and used for redirecting the light emitted by an overhead source.
Eggcrate
186
A graph used in air-conditioning and showing the properties of air-system mixtures.
Psychrometric Chart
187
A lamp designed to project and diffuse a uniform level of illumination over a large area.
Floodlight
188
In boilers, they function only when exceeds prescribed unsafe operating conditions.
Limit Controls and Interlocks
189
What type of sound absorbent is best for lower band frequencies.
Porous Absorbents
190
The bending of sound wave when traveling forward changes direction as it passes through different densities.
Refraction
191
True or false, number of fixture unit is one parameter in sizing a drainage pipe.
TRUE
192
Water distribution system which constantly rely its pressure from the main water pipe applied only if the highest fixture is supplied continuously with the flow rate and minimum required working pressure.
Upfeed System / Direct Method
193
What combination of pipe fittings is installed at the base of a soil stack?
Wye and 1/8 bend
194
What is the rating index of an air-conditioning/refrigeration system which rates the unit for the number of BTU's of heat removed per watt of electrical input energy?
Energy Efficiency Rating (EER)
195
What mechanical equipment, coupled with a central air-conditioning system, is used to dehumidify and cool the air stream injected to a conditioned space.
Fan Coil Unit
196
A rigid metal housing for a group of heavy conductors insulated from each other and the enclosure, also called Busduct.
Busway
197
A heavy conductor, usually in the form of a solid copper bar, used for collecting, carrying, and distributing large electric currents, also called a busbar.
Bus
198
An approved assembly of insulated conductors with fitting and conductor terminations in completely enclosed ventilated protective metal housing where the assembly is designed to carry fault current and to withstand the magnetic forces of such current.
Busway
199
A type of perimeter detector which detects object in heat range of body temperature.
Passive Infrared
