Refrigeration and Air Conditioning The reciprocating refrigerant compressors are very suitable for Large displacements and high condensing pressures Large displacements and low condensing pressures Small displacements and low condensing pressures Small displacements and high condensing pressures Large displacements and high condensing pressures Large displacements and low condensing pressures Small displacements and low condensing pressures Small displacements and high condensing pressures ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperature constant, will Increase Remain unaffected Decrease May increase or decrease depending on the type of refrigerant used Increase Remain unaffected Decrease May increase or decrease depending on the type of refrigerant used 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 Cooled and dehumidified Heated and dehumidified Cooled and humidified Heated and humidified Cooled and dehumidified Heated and dehumidified Cooled and humidified Heated and humidified ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance is the ratio of the refrigerant effect to the Heat of compression Work done by compressor All of these Enthalpy increase in compressor Heat of compression Work done by compressor All of these Enthalpy increase in compressor ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The Freon group of refrigerants are Inorganic refrigerants Zoetrope refrigerants Hydrocarbon refrigerants Halocarbon refrigerants Inorganic refrigerants Zoetrope refrigerants Hydrocarbon refrigerants Halocarbon refrigerants ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The bank of tubes at the back of domestic refrigerator is Evaporator tubes Condenser tubes Refrigerant cooling tubes Capillary tubes Evaporator tubes Condenser tubes Refrigerant cooling tubes Capillary tubes ANSWER DOWNLOAD EXAMIANS APP
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