Refrigeration and Air Conditioning The evaporator used in household refrigerators is Frosting evaporator Non-frosting evaporator None of these Defrosting evaporator Frosting evaporator Non-frosting evaporator None of these Defrosting evaporator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In refrigerators, the temperature difference between the evaporating refrigerant and the medium being cooled should be Zero Any value High, of the order of 25° As low as possible (3 to 11°C) Zero Any value High, of the order of 25° As low as possible (3 to 11°C) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The operating pressure for refrigerating units using R-12 as a refrigerant is 2 bar 8 bar 30 bar 15 bar 2 bar 8 bar 30 bar 15 bar ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The freezing point of R-12 is -86.6°C -95.2°C -135.8°C -107.7°C -86.6°C -95.2°C -135.8°C -107.7°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Efficiency of a Carnot engine is given as 80%. If the cycle direction be reversed, what will be the value of C.O.P. of reversed Carnot Cycle? 0.5 1.25 0.8 0.25 0.5 1.25 0.8 0.25 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The temperature of air recorded by a thermometer, when its bulb is surrounded by a wet cloth exposed to the air, is called None of these Wet bulb temperature Dry bulb temperature Dew point temperature None of these Wet bulb temperature Dry bulb temperature Dew point temperature ANSWER DOWNLOAD EXAMIANS APP
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