Refrigeration and Air Conditioning In a vapour compression system, the condition of refrigerant before passing through the condenser is Wet vapour Superheated vapour Dry saturated vapour Saturated liquid Wet vapour Superheated vapour Dry saturated vapour Saturated liquid ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The capillary tube, as an expansion device, is used in Room air conditioners Water coolers Domestic refrigerators All of these Room air conditioners Water coolers Domestic refrigerators All of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For obtaining high COP, the pressure range of compressor should be Low Optimum Any value High Low Optimum Any value High ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The ratio of heat extracted in the refrigerator to the work-done on the refrigerant is called Coefficient of performance of refrigeration Coefficient of performance of heat pump Relative coefficient of performance Refrigerating efficiency Coefficient of performance of refrigeration Coefficient of performance of heat pump Relative coefficient of performance Refrigerating efficiency ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance is the ratio of the refrigerant effect to the Enthalpy increase in compressor All of these Heat of compression Work done by compressor Enthalpy increase in compressor All of these Heat of compression Work done by compressor ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The comfort conditions in air conditioning are at (where DBT = Dry bulb temperature, and RH = Relative humidity) 20°C DBT and 80% RH 25°C DBT and 40% RH 25°C DBT and 100% RH 22°C DBT and 60% RH 20°C DBT and 80% RH 25°C DBT and 40% RH 25°C DBT and 100% RH 22°C DBT and 60% RH ANSWER DOWNLOAD EXAMIANS APP