Question 1: The heat which changes the state of substance is …………….
- Latent heat
- Sensible heat
- Super heat
- Dew heat
HVAC
NEC 2023
HVAC Air Conditioning Practice Test 2
Take a Free Practice Test on HVAC Air Conditioning - 2
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HVAC Practice tests
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TimeHVAC Air Conditioning Practice Test 2 — Question List
Question 2: What is the band of relative humidity (RH) that should be maintained as per ASHRAE standard?
- 25 and 60%
- 15 and 30%
- 60 and 70%
- 45 and 80%
Question 3: Under constant temperature the absolute pressure of a gas varies …………….. as its volume
- Inversely
- Proportionally
- Double
- Same
Question 4: Which of the following is compressed in air conditioning equipment?
- Refrigerant gas
- Air
- Hydrogen gas
- Argon gas
Question 5: Which of the following parameters determines the ventilation requirements of a given structure or space?
- Number of occupants in the space
- Air temperature in the space
- Moisture in the space
- Size of the space
Question 6: The purpose of cleaning and filtering the air in air conditioning unit is to …………….
- Remove the moisture from air
- Remove the dust and other contaminants from air
- Add the moisture to the air
Question 7: The comfort chart that is published by ASHRAE is an empirically determined effective …………. Index.
- Temperature
- Pressure
- Flow
- Humidity
Question 8: What is the general cooling estimation usually given for a person?
- 200 Btu
- 150 Btu
- 250 Btu
- 100 Btu
Question 9: Most air conditioning equipment uses ……………… type of cooling methods in houses and small scale commercial buildings.
- Evaporative cooling
- Gas compression refrigeration
- Cooling with steam
- Cold water coil cooling
Question 10: What should be the minimum SEER rating for a new air conditioning unit?
- 10
- 8
- 6
- 5
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