Refrigeration and Air Conditioning The emissivity of a polished silver body is ____ as compared to black body. Low Same Very low High Low Same Very low High 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 dehumidified Cooled and humidified Heated and dehumidified Heated and humidified Cooled and dehumidified Cooled and humidified ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Chaperon equation is applicable for registration at Sublimation temperature Saturation point of liquid Triple point Saturation point of vapour Sublimation temperature Saturation point of liquid Triple point Saturation point of vapour ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following cycles uses air as the refrigerant? Carnot Ericson Stirling Bell Coleman Carnot Ericson Stirling Bell Coleman ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The leakage in a refrigeration system using ammonia is detected by All of these Sulphur sticks Halide torch Soap and water All of these Sulphur sticks Halide torch Soap and water ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following statement is wrong? 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 The value of C.O.P. is always greater than one ANSWER DOWNLOAD EXAMIANS APP
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