Refrigeration and Air Conditioning A reversible engine has ideal thermal efficiency of 30%. When it is used as a refrigerating machine with all other conditions unchanged, the coefficient of performance will be 1.33 4.33 3.33 2.33 1.33 4.33 3.33 2.33 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Carbon dioxide is Non-flammable All of the listed here Odourless Colourless Non-flammable All of the listed here Odourless Colourless ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a saturated air-water vapour mixture, the Dry bulb temperature is higher than dew point temperature Dry bulb temperature is higher than wet bulb temperature Dry bulb, wet bulb and dew point temperature are same Dew point temperature is lower than wet bulb temperature Dry bulb temperature is higher than dew point temperature Dry bulb temperature is higher than wet bulb temperature Dry bulb, wet bulb and dew point temperature are same Dew point temperature is lower than wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Most thermostatic expansion valves are set for a superheat of 20°C 5°C 10°C 15°C 20°C 5°C 10°C 15°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The freezing point of R-12 is -95.2°C -107.7°C -86.6°C -135.8°C -95.2°C -107.7°C -86.6°C -135.8°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The specific humidity during heating and humidification process. Increases Decreases None of these Remains constant Increases Decreases None of these Remains constant ANSWER DOWNLOAD EXAMIANS APP
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