Pre knowledge assessment Air Conditioning Systems in Buildings
Authored by Miles Tarplee
Professional Development
12th Grade
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of air conditioning (AC) in buildings?
To provide lighting
To control the temperature and humidity of the air
To supply water
To enhance the building's structural integrity
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is air conditioning provided in buildings?
To increase the building's height
To maintain an environment conducive to the health and wellbeing of the inhabitants
To reduce the building's weight
To improve the building's aesthetics
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does air conditioning (AC) do to the air in buildings?
Increases CO2 levels
Supplies adequate oxygen, maintains a comfortable temperature, and removes CO2 and odours
Adds odours to the air
Reduces oxygen levels
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the recirculation duct in central plant AC systems?
To bring in fresh air from outside
To exhaust air out of the building
To recirculate air within the system
To cool the air before distribution
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the preheater battery in the winter cycle?
To cool the air
To mix room air with fresh air
To heat fresh air to 7ºC
To dehumidify the air
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What percentage of room air can be mixed with fresh air using the recirculation duct?
10%
25%
50%
75%
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the 'duty' of a supply fan?
The air volume and static pressure at which it operates
The temperature of the air it supplies
The humidity level it maintains
The speed at which it rotates
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