Refrigeration and Air Conditioning During adiabatic saturation process on unsaturated air ___ remains constant. Relative humidity Dry bulb temperature Dew point temperature Wet bulb temperature Relative humidity Dry bulb temperature Dew point temperature Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a refrigeration cycle, the flow of refrigerant is controlled by Expansion valve Evaporator Condenser Compressor Expansion valve Evaporator Condenser Compressor ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The power per tonne of refrigeration is None of these O.P/3.5 3.5/C.O.P. 3.5 × C.O.P. None of these O.P/3.5 3.5/C.O.P. 3.5 × C.O.P. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Nusselt number (NN) is given by NN = ρ V l /μ NN = μ cp/k NN = hl/k NN = V²/t.cp NN = ρ V l /μ NN = μ cp/k NN = hl/k NN = V²/t.cp ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The wet bulb temperature during sensible heating of air Increases Remains constant None of these Decreases Increases Remains constant None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The bypass factor (B. P. F.) in case of sensible heating of air is (Where td₁ = Dry bulb temperature of air entering the heating coil, td₂ = Dry bulb temperature of air leaving the heating coil, and td₃ = Dry bulb temperature of heating coil) (td₂ - td₃)/(td₃ - td₁) (td₃ - td₁)/(td₃ - td₂) (td₃ - td₁)/(td₂ - td₃) (td₃ - td₂)/(td₃ - td₁) (td₂ - td₃)/(td₃ - td₁) (td₃ - td₁)/(td₃ - td₂) (td₃ - td₁)/(td₂ - td₃) (td₃ - td₂)/(td₃ - td₁) ANSWER DOWNLOAD EXAMIANS APP