Refrigeration and Air Conditioning The alignment circle is marked on the psychrometric chart at 26°C DBT and 60% RH 26°C DBT and 50% RH 20°C DBT and 60% RH 20°C DBT and 50% RH 26°C DBT and 60% RH 26°C DBT and 50% RH 20°C DBT and 60% RH 20°C DBT and 50% RH ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Air refrigeration operates on Brayton cycle Rankine’s cycle Reversed Carnot cycle Carnot cycle Brayton cycle Rankine’s cycle Reversed Carnot cycle Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Hydrogen is used in Electrolux refrigeration system so as to _________ the rate of evaporation of the liquid ammonia passing through the evaporator. Equalize None of these Reduce Increase Equalize None of these Reduce Increase ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant has the highest freezing point. Carbon dioxide R-12 Ammonia Sulphur dioxide Carbon dioxide R-12 Ammonia Sulphur dioxide 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 Increase Remain unaffected Decrease May increase or decrease depending on the type of refrigerant used Increase Remain unaffected Decrease May increase or decrease depending on the type of refrigerant used ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression system, the condition of refrigerant before entering the expansion or throttle valve is Wet vapour Very wet vapour Dry vapour High pressure saturated liquid Wet vapour Very wet vapour Dry vapour High pressure saturated liquid ANSWER DOWNLOAD EXAMIANS APP
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