Refrigeration and Air Conditioning In a refrigerating machine, heat rejected is _________ heat absorbed. Greater than Less than None of these Equal to Greater than Less than None of these Equal to 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 Humidity ratio Relative humidity Degree of saturation Absolute humidity Humidity ratio Relative humidity Degree of saturation Absolute humidity ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Most of the domestic refrigerators work on the following refrigeration system Electrolux refrigerator Carnot cycle Vapour compression Vapour absorption Electrolux refrigerator Carnot cycle Vapour compression Vapour absorption ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The thermostatic expansion valve operates on the changes in the Temperature of the evaporator Degree of superheat at exit from the evaporator Pressure in the evaporator None of these Temperature of the evaporator Degree of superheat at exit from the evaporator Pressure in the evaporator None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The general rule for rating refrigeration systems (excepting for CO₂ system) is to approximate following h.p. per ton of refrigeration 1 to 2 h.p. per ton of refrigeration 0.1 to 0.5 h.p. per ton of refrigeration 0.5 to 0.8 h.p. per ton of refrigeration 2 to 5 h.p. per ton of refrigeration 1 to 2 h.p. per ton of refrigeration 0.1 to 0.5 h.p. per ton of refrigeration 0.5 to 0.8 h.p. per ton of refrigeration 2 to 5 h.p. per ton of refrigeration ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression system, the condition of refrigerant before entering the expansion or throttle valve is Very wet vapour Dry vapour Wet vapour High pressure saturated liquid Very wet vapour Dry vapour Wet vapour High pressure saturated liquid ANSWER DOWNLOAD EXAMIANS APP