Refrigeration and Air Conditioning The comfort conditions in air conditioning are at (where DBT = Dry bulb temperature, and RH = Relative humidity) 25°C DBT and 40% RH 20°C DBT and 80% RH 25°C DBT and 100% RH 22°C DBT and 60% RH 25°C DBT and 40% RH 20°C DBT and 80% RH 25°C DBT and 100% RH 22°C DBT and 60% RH ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Aqua ammonia is used as refrigerant in the following type of refrigeration system Compression Absorption Indirect Direct Compression Absorption Indirect Direct ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning As relative humidity decreases, the dew point temperature will be ___ wet bulb temperature. Lower than Same as Higher than None of the listed here Lower than Same as Higher than None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The pressure at the outlet of a refrigerant compressor is called Discharge pressure Critical pressure Suction pressure Back pressure Discharge pressure Critical pressure Suction pressure Back pressure ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant has the maximum ozone depletion potential in the stratosphere? Sulphur dioxide Fluorine Carbon dioxide Ammonia Sulphur dioxide Fluorine Carbon dioxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The sensible heat factor during the heating and humidification process is given by (where h₁ = Enthalpy of air entering the heating coil, h₂ = Enthalpy of air leaving the heating coil, and hA = Enthalpy of air at the end of humidification process) (h1 - h2)/ (hA - h2) (hA - h2)/ (h1 - h2) (hA - h1)/ (h2 - h1) (h2 - hA)/ (h1 - h2) (h1 - h2)/ (hA - h2) (hA - h2)/ (h1 - h2) (hA - h1)/ (h2 - h1) (h2 - hA)/ (h1 - h2) ANSWER DOWNLOAD EXAMIANS APP
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