Refrigeration and Air Conditioning Which of the following is not a desirable property of a refrigerant? High risibility with oil Low boiling point Large latent heat Good electrical conductor High risibility with oil Low boiling point Large latent heat Good electrical conductor ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The higher temperature in vapour compression cycle occurs at Receiver Compressor discharge Expansion valve Evaporator Receiver Compressor discharge Expansion valve Evaporator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance of Heat Pump is always ___ one. Equal to None of the listed here Less than Greater than Equal to None of the listed here Less than Greater than ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The temperature of ammonia after compression in a vapour compression system is 50 to 70°C 20 to 50°C None of these 70 to 110°C 50 to 70°C 20 to 50°C None of these 70 to 110°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The ratio of actual mass of water vapour in a given volume of moist air to the mass of water vapour in the same volume of saturated air at the same temperature and pressure, is called Relative humidity Degree of saturation Humidity ratio Absolute humidity Relative humidity Degree of saturation Humidity ratio Absolute humidity ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following statement is wrong? The value of C.O.P. is always greater than one The space between the saturated liquid line and saturated vapour line, in a pressure enthalpy chart, is wet vapour region In a vapour compression system, the condition of refrigerant before entering the compressor is dry saturated vapour None of the listed here The value of C.O.P. is always greater than one The space between the saturated liquid line and saturated vapour line, in a pressure enthalpy chart, is wet vapour region In a vapour compression system, the condition of refrigerant before entering the compressor is dry saturated vapour None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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