Refrigeration and Air Conditioning A one tonne refrigerating machine means that One tonne is the total mass of machine One tonne of water can be converted into ice One tonne of ice when melts from and at 0° C in 24 hours, the refrigeration effect is equivalent to 210 kJ/min One tonne refrigerant is used One tonne is the total mass of machine One tonne of water can be converted into ice One tonne of ice when melts from and at 0° C in 24 hours, the refrigeration effect is equivalent to 210 kJ/min One tonne refrigerant is used ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The ratio of actual mass of water vapour in a given volume of moist air to the mass of water vapour in the same volume of saturated air 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
Refrigeration and Air Conditioning The superheating in a refrigeration cycle None of these Does not alter C.O.P. Decreases C.O.P. Increases C.O.P. None of these Does not alter C.O.P. Decreases C.O.P. Increases C.O.P. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning If the evaporator temperature of a plant is lowered, keeping the condenser temperature constant, the h.p. of compressor required will be Less Same More/less depending on rating More Less Same More/less depending on rating More ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Critical temperature is the temperature above which A gas will immediately liquefy A gas will never liquefy Water will evaporate Water will never evaporate A gas will immediately liquefy A gas will never liquefy Water will evaporate Water will never evaporate ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Rating of a domestic refrigerator is of the order of 40 tons 0.1 ton 10 tons 5 tons 40 tons 0.1 ton 10 tons 5 tons ANSWER DOWNLOAD EXAMIANS APP
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