Refrigeration and Air Conditioning In a saturated air-water vapour mixture, the Dry bulb temperature is higher than wet bulb temperature Dry bulb temperature is higher than dew point temperature Dry bulb, wet bulb and dew point temperature are same Dew point temperature is lower than wet bulb temperature Dry bulb temperature is higher than wet bulb temperature Dry bulb temperature is higher than dew point temperature Dry bulb, wet bulb and dew point temperature are same Dew point temperature is lower than wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For air conditioning the operation theater in a hospital, the percentage of outside air in the air supplied is 50 Zero 20 100 50 Zero 20 100 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In case of sensible heating of air, the coil efficiency is given by (where B.P.F. = Bypass factor) P.F. - 1 1/ B.P.F. 1 - B. P.F. 1 + B.P.F. P.F. - 1 1/ B.P.F. 1 - B. P.F. 1 + B.P.F. 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) (h2 - hA)/ (h1 - h2) (hA - h2)/ (h1 - h2) (hA - h1)/ (h2 - h1) (h1 - h2)/ (hA - h2) (h2 - hA)/ (h1 - h2) (hA - h2)/ (h1 - h2) (hA - h1)/ (h2 - h1) (h1 - h2)/ (hA - h2) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning When the lower temperature of a refrigerating machine is fixed, then the coefficient of performance can be improved by Operating the machine at lower speeds Raising the higher temperature Lowering the higher temperature Operating the machine at higher speeds Operating the machine at lower speeds Raising the higher temperature Lowering the higher temperature Operating the machine at higher speeds ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The C.O.P. of an absorption type refrigerator is given by (where T₁ = Temperature at which the working substance receives heat, T₂ = Temperature of cooling water, and T₃ = Evaporator temperature) [T₁ (T₁ - T₂)] / [T₃ (T₂ - T₃)] [T₃ (T₁ - T₂)]/ [T₁ (T₂ - T₃)] [T₁ (T₂ - T₃)] / [T₃ (T₁ - T₂)] [T₃ (T₂ - T₃)] / [T₁ (T₁ - T₂)] [T₁ (T₁ - T₂)] / [T₃ (T₂ - T₃)] [T₃ (T₁ - T₂)]/ [T₁ (T₂ - T₃)] [T₁ (T₂ - T₃)] / [T₃ (T₁ - T₂)] [T₃ (T₂ - T₃)] / [T₁ (T₁ - T₂)] ANSWER DOWNLOAD EXAMIANS APP
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