Refrigeration and Air Conditioning The atmospheric air at dry bulb temperature of 15°C enters a heating coil maintained at 40°C. The air leaves the heating coil at 25°C. The bypass factor of the heating coil is 0.4 0.6 0.67 0.376 0.4 0.6 0.67 0.376 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following statement is wrong? In a vapour compression system, the condition of refrigerant before entering the compressor is dry saturated vapour The value of C.O.P. is always greater than one None of the listed here The space between the saturated liquid line and saturated vapour line, in a pressure enthalpy chart, is wet vapour region In a vapour compression system, the condition of refrigerant before entering the compressor is dry saturated vapour The value of C.O.P. is always greater than one None of the listed here The space between the saturated liquid line and saturated vapour line, in a pressure enthalpy chart, is wet vapour region ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One ton of the refrigeration is The standard unit used in refrigeration problems The cooling effect produced by melting 1 ton of ice The refrigeration effect to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours The refrigeration effect to produce 1 ton of ice at NTP conditions The standard unit used in refrigeration problems The cooling effect produced by melting 1 ton of ice The refrigeration effect to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours The refrigeration effect to produce 1 ton of ice at NTP conditions ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One ton refrigeration corresponds to 80 kcal/ min 80 kcal/ hr 50 kcal/ min 50 kcal/ hr 80 kcal/ min 80 kcal/ hr 50 kcal/ min 50 kcal/ hr ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During adiabatic saturation process on unsaturated air ___ remains constant. Relative humidity Wet bulb temperature Dew point temperature Dry bulb temperature Relative humidity Wet bulb temperature Dew point temperature Dry bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant after condensation process is cooled below the saturation temperature before throttling. Such a process is called Sub-cooling or under-cooling None of the listed here Super-cooling Normal cooling Sub-cooling or under-cooling None of the listed here Super-cooling Normal cooling ANSWER DOWNLOAD EXAMIANS APP
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