Refrigeration and Air Conditioning In vapour compression cycle the condition off refrigerant is dry saturated vapour Before passing through the condenser Before entering the compressor After passing through the expansion or throttle valve After passing through the condenser Before passing through the condenser Before entering the compressor After passing through the expansion or throttle valve After passing through the condenser ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The heat rejection factor (HRF) is given by 1 - (1/C.O.P) 1 + C.O.P 1 + (1/C.O.P) 1 - C.O.P. 1 - (1/C.O.P) 1 + C.O.P 1 + (1/C.O.P) 1 - C.O.P. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The total pressure exerted by the mixture of air and water vapour is equal to the sum of pressures which each constituent would exert, if it occupied the same space by itself. This statement is called Dalton's law of partial pressures Avogadro's hypothesis Kinetic theory of gases Newton's law of gases Dalton's law of partial pressures Avogadro's hypothesis Kinetic theory of gases Newton's law of gases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A vapour absorption refrigerator uses _________ as a refrigerant. Ammonia Freon Water Aqua-ammonia Ammonia Freon Water Aqua-ammonia ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The specific humidity during heating and humidification process. Increases Remains constant None of these Decreases Increases Remains constant None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The capillary tube is not used in large capacity refrigeration systems because Cost is too high Capacity control is not possible It is made of copper Required pressure drop cannot be achieved Cost is too high Capacity control is not possible It is made of copper Required pressure drop cannot be achieved ANSWER DOWNLOAD EXAMIANS APP