Refrigeration and Air Conditioning One ton of refrigeration is equal to the refrigeration effect corresponding to melting of 1000 kg of ice In 1 hour In 1 minute In 24 hours In 12 hours In 1 hour In 1 minute In 24 hours In 12 hours ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a reversed Brayton cycle, the heat is absorbed by the air during Isentropic compression process Isentropic expansion process Constant pressure expansion process Constant pressure cooling process Isentropic compression process Isentropic expansion process Constant pressure expansion process Constant pressure cooling process ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Ammonia is Highly toxic and inflammable Toxic and non-inflammable Non-inflammable Non-toxic Highly toxic and inflammable Toxic and non-inflammable Non-inflammable Non-toxic ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance is the ratio of the refrigerant effect to the All of these Enthalpy increase in compressor Heat of compression Work done by compressor All of these Enthalpy increase in compressor Heat of compression Work done by compressor ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression system, the condition of refrigerant before entering the expansion or throttle valve is Dry vapour Wet vapour Very wet vapour High pressure saturated liquid Dry vapour Wet vapour Very wet vapour High pressure saturated liquid ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The pressure at the inlet of a refrigerant compressor is called Suction pressure Discharge pressure Critical pressure Back pressure Suction pressure Discharge pressure Critical pressure Back pressure ANSWER DOWNLOAD EXAMIANS APP
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