Refrigeration and Air Conditioning The wet bulb temperature during sensible cooling of air Increases None of these Decreases Remains constant Increases None of these Decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In aircraft, air refrigeration Cycle is used because of High heat transfer rate Low temperature at high altitudes Higher coefficient of performance Low weight per tonne of refrigeration High heat transfer rate Low temperature at high altitudes Higher coefficient of performance Low weight per tonne of refrigeration ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A human body feels comfortable when the heat produced by the metabolism of human body is equal to the Heat stored in the human body Sum of (A) and (B) Heat dissipated to the surroundings Difference of (A) and (B) Heat stored in the human body Sum of (A) and (B) Heat dissipated to the surroundings Difference of (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The operating pressure for refrigerating units using R-12 as a refrigerant is 30 bar 8 bar 2 bar 15 bar 30 bar 8 bar 2 bar 15 bar ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Highest pressure encountered in a refrigeration system should be Critical pressure of refrigerant Much above critical pressure Much below critical pressure Near critical pressure Critical pressure of refrigerant Much above critical pressure Much below critical pressure Near critical pressure ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In larger industrial and commercial reciprocating compression systems, refrigerant widely used is Ammonia R-12 Carbon dioxide Sulphur dioxide Ammonia R-12 Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
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