Refrigeration and Air Conditioning During adiabatic saturation process on unsaturated air ___ remains constant. Dry bulb temperature Dew point temperature Relative humidity Wet bulb temperature Dry bulb temperature Dew point temperature Relative humidity Wet bulb temperature 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 Operating the machine at lower speeds Lowering the higher temperature Operating the machine at higher speeds Raising the higher temperature Operating the machine at lower speeds Lowering the higher temperature Operating the machine at higher speeds Raising the higher temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The boiling point of ________ is 10.5°C. Sulphur dioxide Carbon dioxide Ammonia R-12 Sulphur dioxide Carbon dioxide Ammonia R-12 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression system, the condition of refrigerant before entering the expansion or throttle valve is Very wet vapour Dry vapour Wet vapour High pressure saturated liquid Very wet vapour Dry vapour Wet vapour High pressure saturated liquid ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a pressure enthalpy chart, the space to the left of the saturated liquid line represents Superheated vapour region Sub-cooled liquid region None of the listed here Wet vapour region Superheated vapour region Sub-cooled liquid region None of the listed here Wet vapour region ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Highest temperature encountered in refrigeration cycle should be Near critical temperature of refrigerant Much below critical temperature At critical Temperature Above critical temperature Near critical temperature of refrigerant Much below critical temperature At critical Temperature Above critical temperature ANSWER DOWNLOAD EXAMIANS APP