Refrigeration and Air Conditioning The unit of thermal diffusivity is m/h m²/hK m²/h m/hK m/h m²/hK m²/h m/hK ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A thermostatic expansion valve in a refrigeration system Ensures the evaporator completely filled with refrigerant of the load None of these Maintains different temperatures in evaporator in proportion to load Is suitable only for constant load systems Ensures the evaporator completely filled with refrigerant of the load None of these Maintains different temperatures in evaporator in proportion to load Is suitable only for constant load systems 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 Ammonia Carbon dioxide Freon Brine Ammonia Carbon dioxide Freon Brine ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The difference between dry bulb temperature and wet bulb temperature, is called Dry bulb depression Degree of saturation Wet bulb depression Dew point depression Dry bulb depression Degree of saturation Wet bulb depression Dew point depression ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant has the maximum ozone depletion potential in the stratosphere? Carbon dioxide Sulphur dioxide Ammonia Fluorine Carbon dioxide Sulphur dioxide Ammonia Fluorine ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The ratio of the actual mass of water vapour in a unit mass of dry air to the mass of water vapour in the same mass of dry air when it is saturated at the same temperature and pressure, is called Absolute humidity Relative humidity Humidity ratio Degree of saturation Absolute humidity Relative humidity Humidity ratio Degree of saturation ANSWER DOWNLOAD EXAMIANS APP
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