Refrigeration and Air Conditioning Reducing suction pressure in refrigeration cycle Lowers evaporation temperature Increases power required per ton of refrigeration Lowers compressor capacity because vapour is lighter All of these Lowers evaporation temperature Increases power required per ton of refrigeration Lowers compressor capacity because vapour is lighter All of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a refrigeration system, heat absorbed in comparison to heat rejected is Less Same More for small capacity and less for high capacity More Less Same More for small capacity and less for high capacity More 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 Vertical lines on pressure-enthalpy chart show constant Temperature lines Total heat lines Pressure lines Entropy lines Temperature lines Total heat lines Pressure lines Entropy lines ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The process, generally used in winter air-conditioning to warm and humidity the air, is called Humidification Heating and humidification Cooling and dehumidification Dehumidification Humidification Heating and humidification Cooling and dehumidification Dehumidification ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The lower horizontal line of the refrigeration cycle plotted on pressure-enthalpy diagram represents Condensation of the refrigerant vapour Compression of the refrigerant vapour Evaporation of the refrigerant liquid Metering of the refrigerant liquid Condensation of the refrigerant vapour Compression of the refrigerant vapour Evaporation of the refrigerant liquid Metering of the refrigerant liquid ANSWER DOWNLOAD EXAMIANS APP
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