Refrigeration and Air Conditioning Allowable pressure on high pressure side or ammonia absorption system is of the order of 56 bars 24 bars Slightly above atmospheric pressure Atmospheric pressure 56 bars 24 bars Slightly above atmospheric pressure Atmospheric pressure 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. Increase Equalize Reduce None of these Increase Equalize Reduce None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Highest pressure encountered in a refrigeration system should be Critical pressure of refrigerant Much below critical pressure Much above critical pressure Near critical pressure Critical pressure of refrigerant Much below critical pressure Much above critical pressure Near critical pressure ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The emissivity of a polished silver body is ____ as compared to black body. Very low High Same Low Very low High Same Low ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One ton of the refrigeration is The standard unit used in refrigeration problems The refrigeration effect to produce 1 ton of ice at NTP conditions The refrigeration effect to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours The cooling effect produced by melting 1 ton of ice The standard unit used in refrigeration problems The refrigeration effect to produce 1 ton of ice at NTP conditions The refrigeration effect to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours The cooling effect produced by melting 1 ton of ice ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a domestic vapour compression refrigerator, the refrigerant commonly used is R-12 CO? All of these Ammonia R-12 CO? All of these Ammonia ANSWER DOWNLOAD EXAMIANS APP
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