Refrigeration and Air Conditioning In which of the following refrigeration system, waste heat can be effectively used? Vapour absorption cycle Vapour compression cycle Air refrigeration cycle None of the listed here Vapour absorption cycle Vapour compression cycle Air refrigeration cycle None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The dry bulb temperature lines, on the psychrometric chart are Vertical and uniformly spaced Curved lines Horizontal and uniformly spaced Horizontal and non-uniformly spaced Vertical and uniformly spaced Curved lines Horizontal and uniformly spaced Horizontal and non-uniformly spaced 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 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) Heat stored in the human body Sum of (A) and (B) Heat dissipated to the surroundings ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant supplied to a compressor must be None of these A mixture of liquid and vapour refrigerant Dry saturated liquid refrigerant Superheated vapour refrigerant None of these A mixture of liquid and vapour refrigerant Dry saturated liquid refrigerant Superheated vapour refrigerant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During a refrigeration cycle, heat is rejected by the refrigerant in a Evaporator Compressor Condenser Expansion valve Evaporator Compressor Condenser Expansion valve ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperature constant, will Decrease Increase Remain unaffected May increase or decrease depending on the type of refrigerant used Decrease Increase Remain unaffected May increase or decrease depending on the type of refrigerant used ANSWER DOWNLOAD EXAMIANS APP
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