Refrigeration and Air Conditioning The wet bulb temperature during sensible heating of air None of these Increases Remains constant Decreases None of these Increases Remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning If a heat pump cycle operates between the condenser temperature of +27°C and evaporator temperature of -23°C, then the Carnot COP will be 0.2 6 5 1.2 0.2 6 5 1.2 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The ratio of the actual mass of water vapour in a unit mass of dry air to the mass of water vapour in the same mass of dry air when it is saturated at the same temperature and pressure, is called Absolute humidity Humidity ratio Relative humidity Degree of saturation Absolute humidity Humidity ratio Relative humidity Degree of saturation ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Reducing suction pressure in refrigeration cycle Lowers evaporation temperature Increases power required per ton of refrigeration All of these Lowers compressor capacity because vapour is lighter Lowers evaporation temperature Increases power required per ton of refrigeration All of these Lowers compressor capacity because vapour is lighter ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning When the air is passed through an insulated chamber having sprays of water maintained at a temperature higher than the dew point temperature of entering air but lower than its dry bulb temperature, then the air is said to be Heated and dehumidified Heated and humidified Cooled and humidified Cooled and dehumidified Heated and dehumidified Heated and humidified Cooled and humidified Cooled and dehumidified ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The C.O.P. of a Carnot refrigerator in winter will be _________ as compared to C.O.P. in summer. Same None of these Higher Lower Same None of these Higher Lower ANSWER DOWNLOAD EXAMIANS APP
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