Refrigeration and Air Conditioning In a refrigeration cycle, the flow of refrigerant is controlled by Expansion valve Evaporator Condenser Compressor Expansion valve Evaporator Condenser Compressor 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 e₁ + e₂ e₁e₂ (e₁ + e₂)/ e₁ + e₂ - e₁e₂ 1/e₁ + 1/e₂ e₁ + e₂ e₁e₂ (e₁ + e₂)/ e₁ + e₂ - e₁e₂ 1/e₁ + 1/e₂ ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The temperature of ammonia after compression in a vapour compression system is 70 to 110°C 50 to 70°C None of these 20 to 50°C 70 to 110°C 50 to 70°C None of these 20 to 50°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Air refrigeration operates on Carnot cycle Brayton cycle Rankine’s cycle Reversed Carnot cycle Carnot cycle Brayton cycle Rankine’s cycle Reversed Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The COP of a domestic refrigerator Is less than 1 Is more than 1 Is equal to 1 Depends upon the make Is less than 1 Is more than 1 Is equal to 1 Depends upon the make ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In S.J. unit, one ton of refrigeration is equal to 21 kJ/ min 210 kJ/ min 840 kJ/ min 420 kJ/ min 21 kJ/ min 210 kJ/ min 840 kJ/ min 420 kJ/ min ANSWER DOWNLOAD EXAMIANS APP
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