Refrigeration and Air Conditioning If a gas is to be liquefied, its temperature must be Increased to a value above its critical temperature Equal to critical temperature None of these Reduced to a value below its critical temperature Increased to a value above its critical temperature Equal to critical temperature None of these Reduced to a value below its critical temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The human body feels comfortable when the heat stored in the body is Zero None of these Positive Negative Zero None of these Positive Negative ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant has the lowest freezing point? R-12 R-22 Ammonia R-11 R-12 R-22 Ammonia R-11 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Most thermostatic expansion valves are set for a superheat of 5°C 15°C 20°C 10°C 5°C 15°C 20°C 10°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The horizontal and non-uniformly spaced lines on a psychrometric chart indicates Wet bulb temperature Dry bulb temperature Dew point temperature Specific humidity Wet bulb temperature Dry bulb temperature Dew point temperature Specific humidity ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The relative coefficient of performance is None of these Actual COP/theoretical COP Theoretical COP/actual COP Actual COP × theoretical COP None of these Actual COP/theoretical COP Theoretical COP/actual COP Actual COP × theoretical COP ANSWER DOWNLOAD EXAMIANS APP
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