Refrigeration and Air Conditioning The atmospheric air at dry bulb temperature of 15°C enters a heating coil maintained at 40°C. The air leaves the heating coil at 25°C. The bypass factor of the heating coil is 0.376 0.4 0.6 0.67 0.376 0.4 0.6 0.67 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 (e₁ + e₂)/ e₁ + e₂ - e₁e₂ e₁e₂ 1/e₁ + 1/e₂ e₁ + e₂ (e₁ + e₂)/ e₁ + e₂ - e₁e₂ e₁e₂ 1/e₁ + 1/e₂ ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A pressure gauge on the discharge side of a refrigerant compressor reads too high. The reasons will be Lack of cooling water Dirty condenser surface All of these Water temperature being high Lack of cooling water Dirty condenser surface All of these Water temperature being high ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One ton of refrigeration is equal to the refrigeration effect corresponding to melting of 1000 kg of ice In 24 hours In 1 hour In 12 hours In 1 minute In 24 hours In 1 hour In 12 hours In 1 minute ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance is the ratio of the refrigerant effect to the Work done by compressor Heat of compression Enthalpy increase in compressor All of these Work done by compressor Heat of compression Enthalpy increase in compressor All of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The superheated vapour region, in a pressure enthalpy chart, is represented by the space To the left of saturated liquid line None of these To the right of saturated liquid line Between the saturated liquid line and saturated vapour line To the left of saturated liquid line None of these To the right of saturated liquid line Between the saturated liquid line and saturated vapour line ANSWER DOWNLOAD EXAMIANS APP
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