Refrigeration and Air Conditioning In case of sensible heating of air, the coil efficiency is given by (where B.P.F. = Bypass factor) P.F. - 1 1/ B.P.F. 1 - B. P.F. 1 + B.P.F. P.F. - 1 1/ B.P.F. 1 - B. P.F. 1 + B.P.F. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The lowest thermal diffusivity is of Lead Iron Rubber Aluminium Lead Iron Rubber Aluminium ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The sensible heat factor during the heating and humidification process is given by (where h₁ = Enthalpy of air entering the heating coil, h₂ = Enthalpy of air leaving the heating coil, and hA = Enthalpy of air at the end of humidification process) (h1 - h2)/ (hA - h2) (hA - h2)/ (h1 - h2) (hA - h1)/ (h2 - h1) (h2 - hA)/ (h1 - h2) (h1 - h2)/ (hA - h2) (hA - h2)/ (h1 - h2) (hA - h1)/ (h2 - h1) (h2 - hA)/ (h1 - h2) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The dry bulb temperature during sensible heating of air Remains constant None of these Increases Decreases Remains constant None of these Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance of a domestic refrigerator is ________ as compared to a domestic air-conditioner. None of these More Same Less None of these More Same Less ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Highest temperature encountered in refrigeration cycle should be Near critical temperature of refrigerant At critical Temperature Above critical temperature Much below critical temperature Near critical temperature of refrigerant At critical Temperature Above critical temperature Much below critical temperature ANSWER DOWNLOAD EXAMIANS APP
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