Refrigeration and Air Conditioning Air refrigeration cycle is used in Commercial refrigerators Air conditioning Gas liquefaction Domestic refrigerators Commercial refrigerators Air conditioning Gas liquefaction Domestic refrigerators ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following statement is wrong? The value of C.O.P. is always greater than one None of the listed here In a vapour compression system, the condition of refrigerant before entering the compressor is dry saturated vapour The space between the saturated liquid line and saturated vapour line, in a pressure enthalpy chart, is wet vapour region The value of C.O.P. is always greater than one None of the listed here In a vapour compression system, the condition of refrigerant before entering the compressor is dry saturated vapour The space between the saturated liquid line and saturated vapour line, in a pressure enthalpy chart, is wet vapour region ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigeration cycle operates between condenser temperature of + 27°C and evaporator temperature of -23°C. The Carnot coefficient of performance of cycle will be 1.2 0.2 6 5 1.2 0.2 6 5 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The desirable property of a refrigerant is High latent heat of vaporisation Low boiling point All of these High critical temperature High latent heat of vaporisation Low boiling point All of these High critical temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The capillary tube, as an expansion device, is used in Domestic refrigerators All of these Water coolers Room air conditioners Domestic refrigerators All of these Water coolers Room air conditioners ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning An infinite parallel planes with emissivities e₁ and e₂, the interchange factor for radiation from surface 1 to surface 2 is given by 1/e₁ + 1/e₂ e₁ + e₂ (e₁ + e₂)/ e₁ + e₂ - e₁e₂ e₁e₂ 1/e₁ + 1/e₂ e₁ + e₂ (e₁ + e₂)/ e₁ + e₂ - e₁e₂ e₁e₂ ANSWER DOWNLOAD EXAMIANS APP