Refrigeration and Air Conditioning In a vapour compression cycle, the refrigerant immediately after expansion valve is Liquid Wet vapour Saturated liquid Sub-cooled liquid Liquid Wet vapour Saturated liquid Sub-cooled liquid ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The unit of thermal diffusivity is m²/hK m²/h m/hK m/h m²/hK m²/h m/hK m/h ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerants has lowest freezing point? Freon-22 CO2 NH3 Freon-12 Freon-22 CO2 NH3 Freon-12 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) (td₃ - td₂)/(td₃ - td₁) (td₂ - td₃)/(td₃ - td₁) (td₃ - td₁)/(td₂ - td₃) (td₃ - td₁)/(td₃ - td₂) (td₃ - td₂)/(td₃ - td₁) (td₂ - td₃)/(td₃ - td₁) (td₃ - td₁)/(td₂ - td₃) (td₃ - td₁)/(td₃ - td₂) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The dry bulb temperature during sensible heating of air None of these Increases Remains constant Decreases None of these Increases Remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A vapour absorption refrigerator uses _________ as a refrigerant. Aqua-ammonia Water Ammonia Freon Aqua-ammonia Water Ammonia Freon ANSWER DOWNLOAD EXAMIANS APP
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