Refrigeration and Air Conditioning The power per tonne of refrigeration is 3.5 × C.O.P. O.P/3.5 None of these 3.5/C.O.P. 3.5 × C.O.P. O.P/3.5 None of these 3.5/C.O.P. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The vapour compression refrigerator employs the following cycle Reversed Carnot Reversed Rankine Rankine Carnot Reversed Carnot Reversed Rankine Rankine Carnot ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The wet bulb temperature during sensible cooling of air Remains constant Decreases None of these Increases Remains constant Decreases None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For obtaining high COP, the pressure range of compressor should be High Any value Low Optimum High Any value Low Optimum ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigeration system Removes heat from a low temperature body and delivers it to a high temperature body Removes heat from a high temperature body and delivers it to a low temperature body None of the listed here Rejects energy to a low temperature body Removes heat from a low temperature body and delivers it to a high temperature body Removes heat from a high temperature body and delivers it to a low temperature body None of the listed here Rejects energy to a low temperature body 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.)P = ( O.P)P = ( O.P)R O.P.)R + 2 O.P.)P = ( O.P)P = ( ( ( O.P.)R + 1 ( ( O.P)R - 1 O.P.)P = ( O.P)P = ( O.P)R O.P.)R + 2 O.P.)P = ( O.P)P = ( ( ( O.P.)R + 1 ANSWER DOWNLOAD EXAMIANS APP
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