Refrigeration and Air Conditioning In a spray washing system, if the temperature of water is higher than the dry bulb temperature of entering air, then the air is Cooled and humidified Heated and dehumidified Heated and humidified Cooled and dehumidified Cooled and humidified Heated and dehumidified Heated and humidified Cooled and dehumidified ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning If the evaporator temperature of a plant is lowered, keeping the condenser temperature constant, the h.p. of compressor required will be More More/less depending on rating Same Less More More/less depending on rating Same Less ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The temperature of air recorded by a thermometer, when its bulb is surrounded by a wet cloth exposed to the air, is called Dew point temperature Dry bulb temperature None of these Wet bulb temperature Dew point temperature Dry bulb temperature None of these Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In actual air-conditioning applications for R-12 and R-22, and operating at a condenser temperature of 40° C and an evaporator temperature of 5° C, the heat rejection factor is about 2.15 1.25 1 5.12 2.15 1.25 1 5.12 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 Refrigerating efficiency Coefficient of performance of heat pump Relative coefficient of performance Coefficient of performance of refrigeration Refrigerating efficiency Coefficient of performance of heat pump Relative coefficient of performance ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a reversed Brayton cycle, the heat is absorbed by the air during Isentropic expansion process Isentropic compression process Constant pressure cooling process Constant pressure expansion process Isentropic expansion process Isentropic compression process Constant pressure cooling process Constant pressure expansion process ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS