Refrigeration and Air Conditioning Cooling water is required for following equipment in ammonia absorption plant Condenser Condenser, absorber and separator (rectifier) Evaporator Absorber Condenser Condenser, absorber and separator (rectifier) Evaporator Absorber ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The C.O.P. of a refrigerator working on a reversed Carnot cycle is (where T₁ = Lowest absolute temperature, and T₂ = Highest absolute temperature) T₁ / (T₂ - T₁) (T₂ - T₁)/T₁ (T₁ - T₂)/T₁ T₂/ (T₂ - T₁) T₁ / (T₂ - T₁) (T₂ - T₁)/T₁ (T₁ - T₂)/T₁ T₂/ (T₂ - T₁) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A condenser of refrigeration system rejects heat at the rate of 120 kW, while its compressor consumes a power of 30 kW. The coefficient of performance of the system will be 43833 4 3 43834 43833 4 3 43834 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During sensible heating of air _________ decreases. Dry bulb temperature Specific humidity Relative humidity Wet bulb temperature Dry bulb temperature Specific humidity Relative humidity Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Accumulators should have adequate volume to store refrigerant charge at least 0.1 0.75 0.5 0.25 0.1 0.75 0.5 0.25 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The sensible heat factor during cooling and dehumidification process is given by (where h₁ = Enthalpy of air entering the cooling coil, h₂ = Enthalpy of air leaving the cooling coil, and hA = Enthalpy of air at the end of dehumidification process) (h2 - hA)/ (h1 - h2) (h1 - h2)/ (hA - h2) (hA - h1)/ (h2 - h1) (hA - h2)/ (h1 - h2) (h2 - hA)/ (h1 - h2) (h1 - h2)/ (hA - h2) (hA - h1)/ (h2 - h1) (hA - h2)/ (h1 - h2) ANSWER DOWNLOAD EXAMIANS APP
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