Refrigeration and Air Conditioning The domestic refrigerator uses following type of compressor Piston type reciprocating Centrifugal Miniature sealed unit Axial Piston type reciprocating Centrifugal Miniature sealed unit Axial ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The evaporator changes the low pressure liquid refrigerant from the expansion valve into High pressure liquid refrigerant None of these Low pressure vapour refrigerant Low pressure liquid and vapour refrigerant High pressure liquid refrigerant None of these Low pressure vapour refrigerant Low pressure liquid and vapour refrigerant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The C.O.P. of a refrigerator working on a reversed Carnot cycle is (where T₁ = Lowest absolute temperature, and T₂ = Highest absolute temperature) (T₁ - T₂)/T₁ T₂/ (T₂ - T₁) (T₂ - T₁)/T₁ T₁ / (T₂ - T₁) (T₁ - T₂)/T₁ T₂/ (T₂ - T₁) (T₂ - T₁)/T₁ T₁ / (T₂ - T₁) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The value of C.O.P in vapour compression cycle is usually Always less than unity Always more than unity Equal to unity Any one of the above Always less than unity Always more than unity Equal to unity Any one of the above ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The capillary tube is not used in large capacity refrigeration systems because Cost is too high Required pressure drop cannot be achieved It is made of copper Capacity control is not possible Cost is too high Required pressure drop cannot be achieved It is made of copper Capacity control is not possible ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During a refrigeration cycle, heat is rejected by the refrigerant in a Compressor Expansion valve Evaporator Condenser Compressor Expansion valve Evaporator Condenser ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS