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WorksheetsBuilding Utilities
Total questions: 90
Worksheet time: 5hrs 30mins
Name
Class
Date
1.
Process of treating air to control its temperature
a)
Refrigeration
b)
Cooling
c)
Air Conditioning
d)
Heating
2.
Installed 2.10m on top of a wall
a)
WACU
b)
Diffuser
c)
Ceiling Register
d)
Wall Register
3.
What is the inside part of an air conditioning unit called?
a)
Evaporator
b)
Condenser
c)
Compressor
d)
Ducting
4.
What is the outside part of an air conditioning unit called?
a)
Evaporator
b)
Condenser
c)
Compressor
d)
Ducting
5.
Another term for Condenser used for split type air conditioner
a)
AHU
b)
ACCU
c)
FCU
d)
NOTA
6.
Another term for Evaporator used for split type air conditioner
a)
AHU
b)
ACCU
c)
FCU
d)
NOTA
7.
An appurtenance of Air Handling Unit is
a)
AHU
b)
ACCU
c)
FCU
d)
NOTA
8.
The use of windows to allow natural ventilation is known as
a)
Naturality
b)
Active Fanning
c)
Active Cooling
d)
Passive Cooling
9.
The use of mechanical equipment to allow artificial ventilation is known as
a)
Naturality
b)
Active Fanning
c)
Active Cooling
d)
Passive Cooling
10.
The floor to ceiling height for natural ventilation is
a)
2.10m
b)
2.40m
c)
2.70m
d)
3.00m
11.
The floor to ceiling height for artificial ventilation is
a)
2.10m
b)
2.40m
c)
2.70m
d)
3.00m
12.
The total developed length of a tubing for a split type air conditioner
a)
2.10m
b)
2.40m
c)
2.70m
d)
3.00m
13.
Which is not a part of a split type air conditioner
a)
FHU
b)
AHU
c)
ACCU
d)
Condensate Pipe
14.
A cassette type unit is mounted at the
a)
Wall
b)
Ceiling
c)
Window
d)
Floor
15.
A package type unit for split type is also known as
a)
Free Standing
b)
Ceiling Mounted
c)
Cassette
d)
Wall Mounted
16.
Disadvantage of Centralized Air Conditioning
a)
Bulky
b)
Expensive
c)
Not energy efficient
d)
room temperature cannot be controlled
17.
Air Conditioning preferred in hospitals
a)
WACU
b)
Split Type
c)
Multi-Split
d)
Centralized Air Conditioning
18.
Advantage of Variable Air Volume
a)
Cheap
b)
Efficient
c)
Temperature can vary
d)
always available
19.
Used to control temperature
a)
Thermometer
b)
Scanner
c)
Thermostat
d)
Thermoscan
20.
Uses fans and ducts to distribute air through a large volume of space
a)
VAV
b)
CAV
c)
WACU
d)
Split Type
21.
Centralized Air Conditioner uses
a)
Tubing
b)
Ducting
c)
Piping
d)
Ductwork
22.
Best location for Chiller
a)
Ground Floor
b)
Basement
c)
Roof Deck
d)
Balcony
23.
Where do you locate Cooling Towers?
a)
Ground Floor
b)
Basement
c)
Roof Deck
d)
Balcony
24.
An inlet used in Centralized Air Conditioner to provide cool air inside a room during summer
a)
Ceiling Register
b)
Wall Register
c)
Damper
d)
Wall Diffuser
25.
An outlet used in Centralized Air Conditioner to accept hot air from a room during summer
a)
Ceiling Register
b)
Wall Register
c)
Damper
d)
Wall Diffuser
26.
Used to control humidity in Comfort Rooms
a)
Humidifier
b)
Dehumidifier
c)
Exhaust Fan
d)
Wall Diffuser
27.
Used to provide heat inside a room during winter
a)
Heater
b)
Boiler
c)
Damper
d)
Register
28.
The multi-zone system separates spaces for cooling
a)
VAV
b)
CAV
c)
WACU
d)
Split Type
29.
Mimics a centralized air conditioning system without the presence of a mechanical room and roof deck
a)
VAV
b)
CAV
c)
WACU
d)
Split Type
30.
The best air conditioning system for a branch bank
a)
VAV
b)
CAV
c)
WACU
d)
Split Type
31.
Unit of sound frequency
a)
Pascal
b)
Watts
c)
Decibel
d)
Hertz
32.
Audio Frequency range of humans
a)
20-20,000 Hz
b)
50-75,000 Hz
c)
5-50,000 Hz
d)
30-30,000 Hz
33.
Pitch is the subjective term for Frequency
a)
Maybe
b)
False
c)
True
d)
NOTA
34.
Human speech is mainly in the range
a)
400-4,000
b)
300-3,000 Hz
c)
200-2,000 Hz
d)
100-1,000 Hz
35.
Prolongation of the sound in the room caused by continued multiple reflections
a)
Flutter Echo
b)
Echo
c)
Reverberation
d)
Reflection
36.
Bass sound is considered
a)
Low Frequency
b)
Medium Frequency
c)
High Frequency
d)
No Frequency
37.
Treble sound is considered
a)
Low Frequency
b)
Medium Frequency
c)
High Frequency
d)
No Frequency
38.
The sound energy transferred per second from the noise source to the air
a)
Sound Pressure Level
b)
Sound Level
c)
Sound Power
d)
Sound Pressure
39.
Sound pressure converted to the decibel scale
a)
Sound Pressure Level
b)
Sound Level
c)
Sound Power
d)
Sound Pressure
40.
The human impression of the strength of a sound
a)
Pressure
b)
Loudness
c)
Power
d)
Intensity
41.
Used to absorb the vibration of the generator base
a)
Vibration Dampener
b)
Vibration Isolator
c)
Absorption base
d)
Vibration Diffuser
42.
Expressed in units called watts (W)
a)
Sound Intensity
b)
Sound Level
c)
Sound Power
d)
Sound Power
43.
One octave increase doubles the frequency
a)
True
b)
False
c)
maybe
d)
NOTA
44.
A logarithmic scale applicable to any parameter.
a)
Power
b)
Pascal
c)
Decibel
d)
Watts
45.
Safe exposure limit for human reception for eight hours a day
a)
40dB
b)
85dB
c)
140dB
d)
120dB
46.
Bending or “flowing” of a sound wave around an object or through an opening
a)
Diffusion
b)
Diffraction
c)
Absorption
d)
Reflection
47.
The fraction of the randomly incident sound power which is absorbed, or otherwise not reflected.
a)
STC
b)
TL
c)
SPL
d)
SAC
48.
Ceiling that can diffuse sound
a)
Perforated Ceiling
b)
Convex Ceiling
c)
Splay
d)
NOTA
49.
Scattering or random redistribution of a sound wave from a surface
a)
Absorption
b)
Transmission
c)
Diffusion
d)
Reflection
50.
Absorbs sound and keeps it too (thermal storage)
a)
Diffraction
b)
Insulation
c)
Absorption
d)
Reflection
51.
Absorbs sound and transmits excess sound to the next room
a)
Diffraction
b)
Insulation
c)
Absorption
d)
Reflection
52.
A single-number index for rating how absorptive a particular material is
a)
NRC
b)
SAC
c)
TL
d)
SPL
53.
A value given in decibels, which is determined by measuring sound pressure levels at a certain frequency in the source and receiving rooms
a)
NRC
b)
SAC
c)
TL
d)
SPL
54.
Sound reflected on two-focus points
a)
Parabola
b)
Anti-focusing
c)
Ellipse
d)
Creep
55.
Sound reflected on one focus points
a)
Parabola
b)
Anti-focusing
c)
Ellipse
d)
Creep
56.
A reflection with magnitude and delay
a)
Reverberation
b)
Vibration Isolator
c)
Flutter Echo
d)
Echo
57.
Caused by repetitive reflections off hard surfaces
a)
Reverberation
b)
Vibration Isolator
c)
Flutter Echo
d)
Echo
58.
This is a single-number rating of a material’s or assembly’s barrier effect.
a)
SAC
b)
NRC
c)
TL
d)
STC
59.
Material with the lowest STC rating
a)
Cellulose
b)
Empty wall
c)
Handi-foam
d)
Fiberglass
60.
Material with the highest STC rating
a)
Cellulose
b)
Empty wall
c)
Handi-foam
d)
Fiberglass
61.
A type of lighting system which is inherently efficient; basically all light is directed downward
a)
Direct
b)
Semi-Direct
c)
General-Diffuse
d)
Semi-Indirect
62.
A type of lighting system where walls and ceiling must have a high-reflectance finish
a)
Direct
b)
Semi-Direct
c)
Indirect
d)
Semi-Indirect
63.
A type of lighting system that employs a translucent diffusing element through which the downward<br />component shines <br />
a)
Direct
b)
Semi-Direct
c)
Indirect
d)
Semi-Indirect
64.
A type of lighting system where fixtures distribute approximately an equal amount of light upward and<br />downward<br />
a)
Direct
b)
Semi-Direct
c)
Direct-Indirect
d)
Semi-Indirect
65.
A type of lighting system where the minor upward component serves to illuminate the ceiling
a)
Direct
b)
Semi-Direct
c)
Direct-Indirect
d)
Semi-Indirect
66.
A type of light fixture with translucent or semi-transparent (see-through) covers made of glass or<br />plastic; bottom or sides of light fixtures to control brightness<br />
a)
Louvers
b)
Lenses
c)
Diffusers
d)
Shield
67.
A type of light fixture with baffles that shield the bulb from view and reflect light; can be contoured to<br />control light and decrease brightness.<br />
a)
Louvers
b)
Lenses
c)
Diffusers
d)
Shield
68.
A type of light fixture with clear, transparent glass, plastic covers; incorporates prisms and flutes to<br />distribute light in specific ways<br />
a)
Louvers
b)
Lenses
c)
Diffusers
d)
Shield
69.
A lighting source that closely replicates natural sunlight can be considered as light source
a)
Artificial
b)
General
c)
Natural
d)
Task
70.
The most practical method of passive solar energy utilization in commercial buildings
a)
General
b)
Daylight
c)
Artificial
d)
Passive
71.
Directional lighting to emphasize a particular object or draw attention to a display item.
a)
Localized
b)
Accent
c)
General
d)
Task
72.
Provides an area with overall illumination; provides fairly uniform lighting
a)
Localized
b)
Accent
c)
General
d)
Task
73.
Allows the user to adjust and control lighting and provides flexibility for each user.
a)
Localized
b)
Accent
c)
General
d)
Task
74.
A type of light fixture that uses diffusers, lenses and louvers to cover bulbs from direct view to<br />prevent glare and distribute light<br />
a)
Louvers
b)
Lenses
c)
Diffusers
d)
Shielded
75.
Has an upward and downward light distribution of equal percentage
a)
Localized
b)
Accent
c)
General Diffuse
d)
Task
76.
Meaning of LED
a)
Light Enhancing Diode
b)
Light Emitting Diode
c)
Light Energy Disc
d)
Lithium Emitting Diode
77.
A type of light used for stadiums and billboards
a)
LPS
b)
HPS
c)
Mercury Vapor
d)
Metal Halide
78.
A type of light used for outdoor parking
a)
LPS
b)
HPS
c)
Mercury Vapor
d)
Metal Halide
79.
A type of light used for indoor parking
a)
LPS
b)
HPS
c)
Mercury Vapor
d)
Metal Halide
80.
Which is not a High Intensity Discharge Lamp
a)
LED
b)
LPS
c)
HPS
d)
MV
81.
Has a tube, starter and a ballast with low mercury vapor
a)
Incandescent
b)
Fluorescent
c)
LED
d)
CFL
82.
Has a filament and glass bulb
a)
Incandescent
b)
Fluorescent
c)
LED
d)
CFL
83.
An energy saving light that has 8,000 hours life span
a)
Incandescent
b)
Fluorescent
c)
LED
d)
CFL
84.
An energy saving light that has 50,000 hours life span
a)
Incandescent
b)
Fluorescent
c)
LED
d)
CFL
85.
Light has a distinctive deep yellow light output
a)
LPS
b)
HPS
c)
Mercury Vapor
d)
Metal Halide
86.
Light has a distinctive blue-green light
a)
LPS
b)
HPS
c)
Mercury Vapor
d)
Metal Halide
87.
A color of light used for T12 and other fluorescent lamps
a)
Cool White
b)
Warm White
c)
Daylight
d)
Sunlight
88.
A color of light used for incandescent bulbs
a)
Cool White
b)
Warm White
c)
Daylight
d)
Sunlight
89.
Meaning of ESL
a)
Electric Stimulated Light
b)
Electro Synthesis Lamp
c)
Electroplated Synthetic Lamp
d)
Electro-Stimulated Luminescence
90.
Meaning of SSL
a)
Solid-State Lighting
b)
Synthesized Sun Light
c)
Simulated State Light
d)
Solid-Simulated Light
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