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MRAC
MRAC Set-1
Direct Expansion Air Conditioning
6

Direct Expansion Air Conditioning MCQ with Answers

6) Which is circulated in VRV system for cooling cycle?

Water

Cooled air

Cooled brine

Liquid refrigerant

Answer is:

Liquid refrigerant

Direct Expansion Air Conditioning MCQ with Answers

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Related Direct Expansion Air Conditioning MCQ with Answers

7) What is the expansion of HVAC?

Heavy Vehicle Air Conditioning

Heating, Vibration, Auto Correction

Heating, Ventilation Automatic Control

Heating, Ventilation and Air Conditioning

Answer is:

Heating, Ventilation and Air Conditioning

8) Which valve is used for gas charging and pressure checking in central AC plants?

Safety valve

Service valve

Solenoid valve

Non return valve

Answer is:

Service valve

9) What is the value of absolute vacuum in millimeters of mercury?

-76

-760

-14.7

-10.33

Answer is:

-760

10) Which compressor is used only in central AC systems?

Scroll

Screw

Rotary

Centrifugal

Answer is:

Centrifugal

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