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 Zero Positive Negative None of the listed here Zero Positive Negative None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The lowest temperature during the cycle in a vapour compression system occurs after Expansion Compression Evaporation Condensation Expansion Compression Evaporation Condensation 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 Yellow Red Orange Bright green Yellow Red Orange Bright green ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The wet bulb temperature during sensible heating of air Decreases Remains constant None of these Increases Decreases Remains constant None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In refrigerators, the temperature difference between the evaporating refrigerant and the medium being cooled should be 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) Zero Any value ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The value of C.O.P in vapour compression cycle is usually Equal to unity Always less than unity Always more than unity Any one of the above Equal to unity Always less than unity Always more than unity Any one of the above ANSWER DOWNLOAD EXAMIANS APP
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