Refrigeration and Air Conditioning The sub-cooling in a refrigeration cycle None of these Increases C.O.P. Does not alter C.O.P. Decreases C.O.P. None of these Increases C.O.P. Does not alter C.O.P. Decreases C.O.P. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression system, the condition of refrigerant before passing through the condenser is Wet vapour Superheated vapour Dry saturated vapour Saturated liquid Wet vapour Superheated vapour Dry saturated vapour Saturated liquid ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The wet bulb temperature at 100% relative humidity is___ dry bulb temperature. None of the listed here Lower than Same as Higher than None of the listed here Lower than Same as Higher than 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 higher speeds Raising the higher temperature Lowering the higher temperature Operating the machine at lower speeds Operating the machine at higher speeds Raising the higher temperature Lowering the higher temperature Operating the machine at lower speeds ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The bypass factor, in case of sensible cooling of air, is given by (where td₁ = Dry bulb temperature of air entering the cooling coil, td₂ = Dry bulb temperature of air leaving the cooling coil, and td₃ = Dry bulb temperature of the cooling coil) (td₁ -td₃)/( td₂ -td₃) (td₂ -td₃)/( td₁ -td₃) (td₃ -td₁)/( td₂ -td₃) (td₃ -td₂)/( td₁ -td₃) (td₁ -td₃)/( td₂ -td₃) (td₂ -td₃)/( td₁ -td₃) (td₃ -td₁)/( td₂ -td₃) (td₃ -td₂)/( td₁ -td₃) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Superheating in a refrigeration cycle Other factors decide C.O.P Decreases C.O.P O.P remains unaltered Increases C.O.P Other factors decide C.O.P Decreases C.O.P O.P remains unaltered Increases C.O.P ANSWER DOWNLOAD EXAMIANS APP
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