Refrigeration and Air Conditioning The curved lines on a psychrometric chart indicates Dry bulb temperature Dew point temperature Wet bulb temperature Relative humidity Dry bulb temperature Dew point temperature Wet bulb temperature Relative humidity ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A valve which maintains a constant degree of superheat at the end of the evaporator coil, is called Low side float valve Thermostatic expansion valve Automatic expansion valve High side float valve Low side float valve Thermostatic expansion valve Automatic expansion valve High side float valve ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The reduced ambient air cooling system has One cooling turbine and two heat exchangers One cooling turbine and one heat exchanger Two cooling turbines and one heat exchanger Two cooling turbines and two heat exchangers One cooling turbine and two heat exchangers One cooling turbine and one heat exchanger Two cooling turbines and one heat exchanger Two cooling turbines and two heat exchangers ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During heating and dehumidification process, dry bulb temperature Decreases Remains constant None of these Increases Decreases Remains constant None of these Increases 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 1/e₁ + 1/e₂ e₁e₂ (e₁ + e₂)/ e₁ + e₂ - e₁e₂ e₁ + e₂ 1/e₁ + 1/e₂ e₁e₂ (e₁ + e₂)/ e₁ + e₂ - e₁e₂ ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One of the purposes of sub cooling the liquid refrigerant is to Reduce compressor discharge temperature Increase cooling effect Ensure that only liquid and not the vapour enters the expansion (throttling) valve Reduce compressor overheating Reduce compressor discharge temperature Increase cooling effect Ensure that only liquid and not the vapour enters the expansion (throttling) valve Reduce compressor overheating ANSWER DOWNLOAD EXAMIANS APP
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