Refrigeration and Air Conditioning The pressure at the outlet of a refrigerant compressor is called Discharge pressure Back pressure Suction pressure Critical pressure Discharge pressure Back pressure Suction pressure Critical pressure 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 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 Coefficient of performance of refrigeration ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The total pressure exerted by the mixture of air and water vapour is equal to the sum of pressures which each constituent would exert, if it occupied the same space by itself. This statement is called Avogadro's hypothesis Dalton's law of partial pressures Kinetic theory of gases Newton's law of gases Avogadro's hypothesis Dalton's law of partial pressures Kinetic theory of gases Newton's law of gases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During a refrigeration cycle, heat is rejected by the refrigerant in a Condenser Compressor Expansion valve Evaporator Condenser Compressor Expansion valve Evaporator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One of the purposes of sub cooling the liquid refrigerant is to Ensure that only liquid and not the vapour enters the expansion (throttling) valve Reduce compressor overheating Reduce compressor discharge temperature Increase cooling effect Ensure that only liquid and not the vapour enters the expansion (throttling) valve Reduce compressor overheating Reduce compressor discharge temperature Increase cooling effect ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Most air cooled condensers are designed to operate with a temperature difference of 14°C 8°C 5°C 22°C 14°C 8°C 5°C 22°C ANSWER DOWNLOAD EXAMIANS APP
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