Refrigeration and Air Conditioning The undesirable property of a refrigerant is High boiling point Non-toxic Non-explosive Non-flammable High boiling point Non-toxic Non-explosive Non-flammable ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A mixture of dry air and water vapour, when the air has diffused the maximum amount of water vapour into it, is called Moist air Dry air Saturated air Specific humidity Moist air Dry air Saturated air Specific humidity ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The emissivity of a polished silver body is ____ as compared to black body. Same Low Very low High Same Low Very low High 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.)P = ( ( O.P.)R + 1 O.P)P = ( ( O.P.)R + 2 O.P)R - 1 ( O.P)P = ( O.P.)P = ( ( O.P)R O.P.)P = ( ( O.P.)R + 1 O.P)P = ( ( O.P.)R + 2 O.P)R - 1 ( O.P)P = ( O.P.)P = ( ( O.P)R ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The lowest thermal diffusivity is of Iron Rubber Lead Aluminium Iron Rubber Lead Aluminium ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Reducing suction pressure in refrigeration cycle Lowers evaporation temperature Lowers compressor capacity because vapour is lighter Increases power required per ton of refrigeration All of these Lowers evaporation temperature Lowers compressor capacity because vapour is lighter Increases power required per ton of refrigeration All of these ANSWER DOWNLOAD EXAMIANS APP
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