Refrigeration and Air Conditioning The Freon group of refrigerants are Zoetrope refrigerants Inorganic refrigerants Hydrocarbon refrigerants Halocarbon refrigerants Zoetrope refrigerants Inorganic refrigerants Hydrocarbon refrigerants Halocarbon refrigerants ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The dry bulb temperature during sensible heating of air None of these Remains constant Increases Decreases None of these Remains constant Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During a refrigeration cycle, heat is rejected by the refrigerant in a Condenser Evaporator Compressor Expansion valve Condenser Evaporator Compressor Expansion valve 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 Relative humidity Humidity ratio Degree of saturation Absolute humidity Relative humidity Humidity ratio Degree of saturation Absolute humidity ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In refrigerators, the temperature difference between the evaporating refrigerant and the medium being cooled should be High, of the order of 25° Any value Zero As low as possible (3 to 11°C) High, of the order of 25° Any value Zero As low as possible (3 to 11°C) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The operating temperature of a cold storage is -2°C. The heat leakage from the surrounding is 30 kW for the ambient temperature of 40°C. The actual C.O.P. of refrigeration plant used is one fourth that of ideal plant working between the same temperatures. The power required to drive the plant is 1.86 kW 3.72 kW 7.44 kW 18.6 kW 1.86 kW 3.72 kW 7.44 kW 18.6 kW ANSWER DOWNLOAD EXAMIANS APP
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