Refrigeration and Air Conditioning The freezing point of R-12 is -135.8°C -95.2°C -107.7°C -86.6°C -135.8°C -95.2°C -107.7°C -86.6°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following cycles uses air as the refrigerant? Stirling Carnot Bell Coleman Ericson Stirling Carnot Bell Coleman Ericson ANSWER DOWNLOAD EXAMIANS APP
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 2.33 4.33 3.33 1.33 2.33 4.33 3.33 1.33 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During sensible cooling, Specific humidity increases Partial pressure of vapour remains constant Wet bulb temperature increases Relative humidity remains constant Specific humidity increases Partial pressure of vapour remains constant Wet bulb temperature increases Relative humidity remains constant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Ammonia is Highly toxic and inflammable Toxic and non-inflammable Non-toxic Non-inflammable Highly toxic and inflammable Toxic and non-inflammable Non-toxic Non-inflammable ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance of Heat Pump is always ___ one. Less than None of the listed here Equal to Greater than Less than None of the listed here Equal to Greater than ANSWER DOWNLOAD EXAMIANS APP
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