Refrigeration and Air Conditioning One ton refrigeration corresponds to 50 kcal/ min 50 kcal/ hr 80 kcal/ min 80 kcal/ hr 50 kcal/ min 50 kcal/ hr 80 kcal/ min 80 kcal/ hr ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A certain refrigerating system has a normal operating suction pressure of 10 kg/cm gauge and condensing pressure of about 67 kg/cm. The refrigerant used is Brine Freon Carbon dioxide Ammonia Brine Freon Carbon dioxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During adiabatic saturation process on unsaturated air ___ remains constant. Dry bulb temperature Dew point temperature Relative humidity Wet bulb temperature Dry bulb temperature Dew point temperature Relative humidity Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The temperature of air recorded by a thermometer, when its bulb is surrounded by a wet cloth exposed to the air, is called None of these Wet bulb temperature Dew point temperature Dry bulb temperature None of these Wet bulb temperature Dew point temperature Dry bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For unsaturated air, the dew point temperature is __________ wet bulb temperature. None of these Equal to Less than More than None of these Equal to Less than More than ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigerating system operating on reversed Brayton refrigeration cycle is used for maintaining 250 K. If the temperature at the end of constant pressure cooling is 300 K and rise in the temperature of air in the refrigerator is 50 K, then the net work of compression will be (assume air as working substance with Cp = 1 kJ/kg) 125 kJ/kg 100 kJ/kg 50 kJ/kg 25 kJ/kg 125 kJ/kg 100 kJ/kg 50 kJ/kg 25 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
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