Refrigeration and Air Conditioning A reversible engine has ideal thermal efficiency of 30%. When it is used as a refrigerating machine with all other conditions unchanged, the coefficient of performance will be 4.33 1.33 3.33 2.33 4.33 1.33 3.33 2.33 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Superheating in a refrigeration cycle Decreases C.O.P Increases C.O.P O.P remains unaltered Other factors decide C.O.P Decreases C.O.P Increases C.O.P O.P remains unaltered Other factors decide C.O.P ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The Freon group of refrigerants are Halocarbon refrigerants Zoetrope refrigerants Inorganic refrigerants Hydrocarbon refrigerants Halocarbon refrigerants Zoetrope refrigerants Inorganic refrigerants Hydrocarbon refrigerants 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 May increase or decrease depending on the type of refrigerant used Decrease Remain unaffected Increase May increase or decrease depending on the type of refrigerant used Decrease Remain unaffected Increase ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Air conditioning means Heating Dehumidifying Cooling All of these Heating Dehumidifying Cooling All of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In order to collect liquid refrigerant and to prevent it from going to a ________, a device known as accumulator is used at the suction of compressor. Expansion valve Compressor Condenser Evaporator Expansion valve Compressor Condenser Evaporator ANSWER DOWNLOAD EXAMIANS APP
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