Refrigeration and Air Conditioning The pressure at the inlet 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 A human body feels comfortable when the heat produced by the metabolism of human body is equal to the Heat dissipated to the surroundings Difference of (A) and (B) Heat stored in the human body Sum of (A) and (B) Heat dissipated to the surroundings Difference of (A) and (B) Heat stored in the human body Sum of (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Aqua ammonia is used as refrigerant in the following type of refrigeration system Absorption Indirect Compression Direct Absorption Indirect Compression Direct ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The general rule for rating refrigeration systems (excepting for CO₂ system) is to approximate following h.p. per ton of refrigeration 2 to 5 h.p. per ton of refrigeration 0.5 to 0.8 h.p. per ton of refrigeration 0.1 to 0.5 h.p. per ton of refrigeration 1 to 2 h.p. per ton of refrigeration 2 to 5 h.p. per ton of refrigeration 0.5 to 0.8 h.p. per ton of refrigeration 0.1 to 0.5 h.p. per ton of refrigeration 1 to 2 h.p. per ton of refrigeration 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 Coefficient of performance of heat pump Relative coefficient of performance Refrigerating efficiency Coefficient of performance of refrigeration Coefficient of performance of heat pump Relative coefficient of performance Refrigerating efficiency ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In aqua ammonia and Lithium bromide water absorption refrigeration systems, the refrigerants are respectively Ammonia and lithium bromide Water and water Water and lithium bromide Ammonia and water Ammonia and lithium bromide Water and water Water and lithium bromide Ammonia and water ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS