Refrigeration and Air Conditioning When the temperature of the surrounding is higher than the temperature of the body, then the heat loss by convection from the body to the surrounding will be Negative None of the listed here Zero Positive Negative None of the listed here Zero Positive ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The ratio of heat extracted in the refrigerator to the work-done on the refrigerant is called Coefficient of performance of refrigeration Refrigerating efficiency Relative coefficient of performance Coefficient of performance of heat pump Coefficient of performance of refrigeration Refrigerating efficiency Relative coefficient of performance Coefficient of performance of heat pump ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The curved lines on a psychrometric chart indicates Dew point temperature Relative humidity Dry bulb temperature Wet bulb temperature Dew point temperature Relative humidity Dry bulb temperature Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A pressure gauge on the discharge side of a refrigerant compressor reads too high. The reasons will be All of these Dirty condenser surface Lack of cooling water Water temperature being high All of these Dirty condenser surface Lack of cooling water Water temperature being high ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The colour of the flame of halide torch, in case of leakage of Freon refrigerant, will change to Bright green Red Yellow Orange Bright green Red Yellow Orange ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Critical pressure of a liquid is the pressure Above which liquid becomes solid Above which liquid becomes gas Above which liquid will remain liquid Above which liquid becomes vapour Above which liquid becomes solid Above which liquid becomes gas Above which liquid will remain liquid Above which liquid becomes vapour ANSWER DOWNLOAD EXAMIANS APP
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