Refrigeration and Air Conditioning The evaporator used in household refrigerators is Non-frosting evaporator None of these Frosting evaporator Defrosting evaporator Non-frosting evaporator None of these Frosting evaporator Defrosting evaporator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The wet bulb temperature during sensible heating of air Decreases Remains constant Increases None of these Decreases Remains constant Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The lower horizontal line of the refrigeration cycle plotted on pressure-enthalpy diagram represents Metering of the refrigerant liquid Evaporation of the refrigerant liquid Compression of the refrigerant vapour Condensation of the refrigerant vapour Metering of the refrigerant liquid Evaporation of the refrigerant liquid Compression of the refrigerant vapour Condensation of the refrigerant vapour ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The minimum temperature to which water can be cooled in a cooling tower is Dew point temperature of air Wet bulb temperature of air Dry bulb temperature of air Ambient air temperature Dew point temperature of air Wet bulb temperature of air Dry bulb temperature of air Ambient air temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The suction pipe diameter of refrigerating unit compressor in comparison to delivery side is Bigger Smaller/bigger depending on capacity Equal Smaller Bigger Smaller/bigger depending on capacity Equal Smaller ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerants has lowest freezing point? CO2 Freon-12 Freon-22 NH3 CO2 Freon-12 Freon-22 NH3 ANSWER DOWNLOAD EXAMIANS APP