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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The pressure at the outlet of a refrigerant compressor is called

Critical pressure
Suction pressure
Discharge pressure
Back pressure

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Refrigeration and Air Conditioning
The dehumidification process, on the psychrometric chart, is shown by

Horizontal line
Inclined line
Curved line
Vertical line

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Refrigeration and Air Conditioning
In chemical dehumidification process,

Wet bulb temperature decreases
All of these
Dew point temperature decreases
Dry bulb temperature increases

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Refrigeration and Air Conditioning
In actual air-conditioning applications for R-12 and R-22, and operating at a condenser temperature of 40° C and an evaporator temperature of 5° C, the heat rejection factor is about

2.15
1
5.12
1.25

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Refrigeration and Air Conditioning
The wet bulb temperature at 100% relative humidity is___ dry bulb temperature.

Lower than
None of the listed here
Same as
Higher than

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Refrigeration and Air Conditioning
Highest pressure encountered in a refrigeration system should be

Critical pressure of refrigerant
Near critical pressure
Much below critical pressure
Much above critical pressure

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MORE MCQ ON Refrigeration and Air Conditioning

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