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 - e₁e₂ 1/e₁ + 1/e₂ e₁e₂ e₁ + e₂ (e₁ + e₂)/ e₁ + e₂ - e₁e₂ 1/e₁ + 1/e₂ e₁e₂ e₁ + e₂ ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In order to cool and dehumidify a stream of moist air, it must be passed over the coil at a temperature Which lies between the wet bulb and dew point temperatures of the incoming stream Which is lower than the dew point temperature of the incoming stream Of adiabatic saturation of incoming stream Which lies between the dry bulb and wet bulb temperatures of the incoming stream Which lies between the wet bulb and dew point temperatures of the incoming stream Which is lower than the dew point temperature of the incoming stream Of adiabatic saturation of incoming stream Which lies between the dry bulb and wet bulb temperatures of the incoming stream ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The temperature of air recorded by a thermometer, when its bulb is surrounded by a wet cloth exposed to the air, is called Dry bulb temperature Wet bulb temperature None of these Dew point temperature Dry bulb temperature Wet bulb temperature None of these Dew point temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant supplied to a compressor must be Dry saturated liquid refrigerant Superheated vapour refrigerant A mixture of liquid and vapour refrigerant None of these Dry saturated liquid refrigerant Superheated vapour refrigerant A mixture of liquid and vapour refrigerant None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The total pressure exerted by the mixture of air and water vapour is equal to the sum of pressures which each constituent would exert, if it occupied the same space by itself. This statement is called Kinetic theory of gases Dalton's law of partial pressures Newton's law of gases Avogadro's hypothesis Kinetic theory of gases Dalton's law of partial pressures Newton's law of gases Avogadro's hypothesis ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant has the lowest freezing point? R-11 Ammonia R-22 R-12 R-11 Ammonia R-22 R-12 ANSWER DOWNLOAD EXAMIANS APP
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