Refrigeration and Air Conditioning In S.J. unit, one ton of refrigeration is equal to 420 kJ/ min 840 kJ/ min 210 kJ/ min 21 kJ/ min 420 kJ/ min 840 kJ/ min 210 kJ/ min 21 kJ/ min ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A good refrigerant should have High operating pressures and low freezing point High specific volume and high latent heat of vaporisation High latent heat of vaporisation and low freezing point Low C.O.P. and low freezing point High operating pressures and low freezing point High specific volume and high latent heat of vaporisation High latent heat of vaporisation and low freezing point Low C.O.P. and low freezing point ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The bypass factor, in case of sensible cooling of air, is given by (where td₁ = Dry bulb temperature of air entering the cooling coil, td₂ = Dry bulb temperature of air leaving the cooling coil, and td₃ = Dry bulb temperature of the cooling coil) (td₃ -td₂)/( td₁ -td₃) (td₁ -td₃)/( td₂ -td₃) (td₃ -td₁)/( td₂ -td₃) (td₂ -td₃)/( td₁ -td₃) (td₃ -td₂)/( td₁ -td₃) (td₁ -td₃)/( td₂ -td₃) (td₃ -td₁)/( td₂ -td₃) (td₂ -td₃)/( td₁ -td₃) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The wet bulb temperature at 100% relative humidity is ________ dew point temperature. Lower than Same as None of these Higher than Lower than Same as None of these Higher than ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression system, the condition of refrigerant is dry saturated vapour After leaving the compressor Before entering the condenser Before entering the compressor After leaving the condenser After leaving the compressor Before entering the condenser Before entering the compressor After leaving the condenser ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The lower horizontal line of the refrigeration cycle plotted on pressure-enthalpy diagram represents Evaporation of the refrigerant liquid Condensation of the refrigerant vapour Compression of the refrigerant vapour Metering of the refrigerant liquid Evaporation of the refrigerant liquid Condensation of the refrigerant vapour Compression of the refrigerant vapour Metering of the refrigerant liquid ANSWER DOWNLOAD EXAMIANS APP
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