Refrigeration and Air Conditioning During heating and dehumidification process, dry bulb temperature Remains constant Increases None of these Decreases Remains constant Increases None of these Decreases 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 Operating the machine at lower speeds Lowering the higher temperature Raising the higher temperature Operating the machine at higher speeds Operating the machine at lower speeds Lowering the higher temperature Raising the higher temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The emissivity of a polished silver body is ____ as compared to black body. High Very low Same Low High Very low Same Low ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle using NH₃ as refrigerant, initial charge is filled at Delivery of compressor High pressure side close to receiver Low pressure side near receiver Suction of compressor Delivery of compressor High pressure side close to receiver Low pressure side near receiver Suction of compressor ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Bell Coleman cycle is a Reversed Rankine cycle Reversed Carnot cycle Reversed Joule cycle Reversed Otto cycle Reversed Rankine cycle Reversed Carnot cycle Reversed Joule cycle Reversed Otto cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The bypass factor (B. P. F.) in case of sensible heating of air is (Where td₁ = Dry bulb temperature of air entering the heating coil, td₂ = Dry bulb temperature of air leaving the heating coil, and td₃ = Dry bulb temperature of heating coil) (td₂ - td₃)/(td₃ - td₁) (td₃ - td₁)/(td₂ - td₃) (td₃ - td₁)/(td₃ - td₂) (td₃ - td₂)/(td₃ - td₁) (td₂ - td₃)/(td₃ - td₁) (td₃ - td₁)/(td₂ - td₃) (td₃ - td₁)/(td₃ - td₂) (td₃ - td₂)/(td₃ - td₁) ANSWER DOWNLOAD EXAMIANS APP
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