WorksheetsBuilt Environment
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
What is the built environment mainly concerned with?
a)
Building material composition
b)
The design of highways and bridges
c)
The interaction between people and their surroundings
d)
Only structural safety
2.
Which of the following factors does NOT influence thermal comfort directly?
a)
Air temperature
b)
Radiation
c)
Social media use
d)
Humidity
3.
What is radiant temperature most influenced by?
a)
Air pressure
b)
Objects radiating heat
c)
Water vapour concentration
d)
Sunlight reflection
4.
What is thermoregulation?
a)
Heat transfer through walls
b)
Body’s process of maintaining core temperature
c)
HVAC control in buildings
d)
External temperature equalization
5.
Which of the following is a source of body heat?
a)
Radiation only
b)
Muscular metabolism only
c)
Metabolism and absorption of radiant energy only
d)
Metabolism, radiation absorption, and conduction
6.
Which of the following is NOT a method of heat loss?
a)
Evaporation
b)
Conduction
c)
Convection
d)
Compression
7.
What is the primary factor affecting evaporation-based heat loss?
a)
Humidity
b)
Air temperature
c)
Wind speed
d)
Height of ceiling
8.
What does convection heat loss depend on?
a)
Still air
b)
Cooler moving air and skin temperature
c)
Color of clothing
d)
Only sunlight
9.
What device is used to measure radiant temperature in a space?
a)
Thermocouple
b)
Globe thermometer
c)
Psychrometer
d)
Barometer
10.
What does the psychrometer measure?
a)
Air velocity
b)
Humidity
c)
Noise levels
d)
Surface temperature
11.
What does WBGT stand for?
a)
Wet Bulb Globe Temperature
b)
Wide Body Green Tech
c)
Water Balance Gravity Test
d)
Wind-Based Gas Transfer
12.
What is the purpose of the WBGT index?
a)
Estimate wind speed
b)
Assess lighting intensity
c)
Assess heat stress in warm environments
d)
Measure gas levels
13.
What is the formula for WBGT (indoors)?
a)
0.7twb + 0.3tg
b)
0.5tdb + 0.5tg
c)
0.7tdb + 0.3twb
d)
0.3tg + 0.3twb + 0.4tdb
14.
What air velocity condition may be perceived as stuffy?
a)
High velocity
b)
Stagnant or still air
c)
Extreme turbulence
d)
Outdoor breezes
15.
In warm environments, how does moving air affect thermal comfort?
a)
Reduces heat loss
b)
Has no effect
c)
Increases heat loss via convection
d)
Only cools the walls
16.
What is ventilation?
a)
Recycling indoor air only
b)
Filtration of particles only
c)
Bringing in fresh air and removing stale air
d)
Humidifying air
17.
Which of the following affects external ventilation?
a)
Air pressure inside
b)
Building color
c)
Weather and wind
d)
Paint quality
18.
What factor does not directly influence internal air ventilation?
a)
Materials used
b)
External weather
c)
TV and equipment heat
d)
Wall thickness
19.
Which pollutants are harder to detect indoors?
a)
Gases with odor
b)
Vapors with scent
c)
Dust and pollen without scent
d)
Steam clouds
20.
What standard provides guidance for indoor air quality in Singapore?
a)
ISO 45001
b)
SS 554
c)
BCA Regulation 11
d)
ISO 22301
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