Refrigeration and Air Conditioning Under cooling in a refrigeration cycle Other factors decide C.O.P Increases C.O.P O.P remains unaltered Decreases C.O.P Other factors decide C.O.P Increases C.O.P O.P remains unaltered Decreases C.O.P ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The thermostatic expansion valve is used in ________ type of evaporators. Dry DX coil Flooded None of these Dry DX coil Flooded None of these 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 In a domestic vapour compression refrigerator, the refrigerant commonly used is Ammonia All of these R-12 CO? Ammonia All of these R-12 CO? ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The bypass factor for a cooling coil Remains unchanged with increase in velocity of air passing through it Decreases with increase in velocity of air passing through it Increases with increase in velocity of air passing through it May increase or decrease with increase in velocity of air passing through it depending upon the condition of air entering Remains unchanged with increase in velocity of air passing through it Decreases with increase in velocity of air passing through it Increases with increase in velocity of air passing through it May increase or decrease with increase in velocity of air passing through it depending upon the condition of air entering ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The comfort conditions in air conditioning are at (where DBT = Dry bulb temperature, and RH = Relative humidity) 25°C DBT and 40% RH 22°C DBT and 60% RH 20°C DBT and 80% RH 25°C DBT and 100% RH 25°C DBT and 40% RH 22°C DBT and 60% RH 20°C DBT and 80% RH 25°C DBT and 100% RH ANSWER DOWNLOAD EXAMIANS APP
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