Refrigeration and Air Conditioning In order to collect liquid refrigerant and to prevent it from going to a ________, a device known as accumulator is used at the suction of compressor. Condenser Evaporator Compressor Expansion valve Condenser Evaporator Compressor Expansion valve ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The wet bulb temperature during sensible heating of air Remains constant Decreases Increases None of these Remains constant Decreases Increases None of these 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 e₁e₂ (e₁ + e₂)/ e₁ + e₂ - e₁e₂ e₁ + e₂ 1/e₁ + 1/e₂ e₁e₂ (e₁ + e₂)/ e₁ + e₂ - e₁e₂ e₁ + e₂ ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following statement is wrong? 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 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 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Absorption system normally uses the following refrigerant CO2 Freon-11 Ammonia Freon-22 CO2 Freon-11 Ammonia Freon-22 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 -td₁)/( td₂ -td₃) (td₃ -td₂)/( td₁ -td₃) (td₁ -td₃)/( td₂ -td₃) (td₂ -td₃)/( td₁ -td₃) (td₃ -td₁)/( td₂ -td₃) (td₃ -td₂)/( td₁ -td₃) (td₁ -td₃)/( td₂ -td₃) (td₂ -td₃)/( td₁ -td₃) ANSWER DOWNLOAD EXAMIANS APP
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