Refrigeration and Air Conditioning The lowest thermal diffusivity is of Aluminium Lead Iron Rubber Aluminium Lead Iron Rubber ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance (C.O.P.) of a refrigerator working as a heat pump is given by O.P)R - 1 O.P)R ( O.P)P = ( O.P.)R + 1 ( O.P.)R + 2 ( O.P.)P = ( ( O.P)P = ( O.P.)P = ( O.P)R - 1 O.P)R ( O.P)P = ( O.P.)R + 1 ( O.P.)R + 2 ( O.P.)P = ( ( O.P)P = ( O.P.)P = ( ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The wet bulb temperature during sensible cooling of air Remains constant Increases None of these Decreases Remains constant Increases None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The domestic refrigerator uses following type of compressor Piston type reciprocating Miniature sealed unit Axial Centrifugal Piston type reciprocating Miniature sealed unit Axial Centrifugal ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Highest temperature encountered in refrigeration cycle should be Above critical temperature Much below critical temperature Near critical temperature of refrigerant At critical Temperature Above critical temperature Much below critical temperature Near critical temperature of refrigerant At critical Temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Absorption system normally uses the following refrigerant Freon-11 CO2 Freon-22 Ammonia Freon-11 CO2 Freon-22 Ammonia ANSWER DOWNLOAD EXAMIANS APP
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