Refrigeration and Air Conditioning Pick up the wrong statement. A refrigerant should have Tow specific heat of liquid High latent heat of vaporisation Higher critical temperature High boiling point Tow specific heat of liquid High latent heat of vaporisation Higher critical temperature High boiling point ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In larger industrial and commercial reciprocating compression systems, refrigerant widely used is R-12 Carbon dioxide Sulphur dioxide Ammonia R-12 Carbon dioxide Sulphur dioxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The COP of a domestic refrigerator Is more than 1 Depends upon the make Is less than 1 Is equal to 1 Is more than 1 Depends upon the make Is less than 1 Is equal to 1 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During sensible cooling, 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 Specific humidity increases Partial pressure of vapour remains constant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning When the lower temperature of a refrigerating machine is fixed, then the coefficient of performance can be improved by Raising the higher temperature Lowering the higher temperature Operating the machine at lower speeds Operating the machine at higher speeds Raising the higher temperature Lowering the higher temperature Operating the machine at lower speeds Operating the machine at higher speeds ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The specific humidity during heating and humidification process. Decreases Increases Remains constant None of these Decreases Increases Remains constant None of these ANSWER DOWNLOAD EXAMIANS APP
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