Refrigeration and Air Conditioning The wet bulb temperature during sensible cooling of air None of these Increases Decreases Remains constant None of these Increases Decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigeration cycle operates between condenser temperature of + 27°C and evaporator temperature of -23°C. The Carnot coefficient of performance of cycle will be 6 1.2 5 0.2 6 1.2 5 0.2 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In larger industrial and commercial reciprocating compression systems, refrigerant widely used is R-12 Ammonia Carbon dioxide Sulphur dioxide R-12 Ammonia Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During heating and humidification, the final relative humidity of air Is lower than that of the entering air None of the listed here Can be lower or higher than that of the entering air Is higher than that of the entering air Is lower than that of the entering air None of the listed here Can be lower or higher than that of the entering air Is higher than that of the entering air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression cycle, the refrigerant immediately after expansion valve is Wet vapour Liquid Saturated liquid Sub-cooled liquid Wet vapour Liquid Saturated liquid Sub-cooled liquid ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Air refrigeration operates on Rankine’s cycle Brayton cycle Carnot cycle Reversed Carnot cycle Rankine’s cycle Brayton cycle Carnot cycle Reversed Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
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