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 None of the listed here Positive Negative Zero None of the listed here Positive Negative Zero ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One of the purposes of sub cooling the liquid refrigerant is to Reduce compressor discharge temperature Reduce compressor overheating Increase cooling effect Ensure that only liquid and not the vapour enters the expansion (throttling) valve Reduce compressor discharge temperature Reduce compressor overheating Increase cooling effect Ensure that only liquid and not the vapour enters the expansion (throttling) valve 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 Water temperature being high Dirty condenser surface Lack of cooling water All of these Water temperature being high Dirty condenser surface Lack of cooling water ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression cycle, the refrigerant immediately after expansion valve is Sub-cooled liquid Saturated liquid Wet vapour Liquid Sub-cooled liquid Saturated liquid Wet vapour Liquid ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The boiling point of ammonia is -33.3°C -77.7°C -10.5°C -30°C -33.3°C -77.7°C -10.5°C -30°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The pressure at the inlet of a refrigerant compressor is called Critical pressure Discharge pressure Suction pressure Back pressure Critical pressure Discharge pressure Suction pressure Back pressure ANSWER DOWNLOAD EXAMIANS APP
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