Refrigeration and Air Conditioning The superheating in a refrigeration cycle None of these Does not alter C.O.P. Decreases C.O.P. Increases C.O.P. None of these Does not alter C.O.P. Decreases C.O.P. Increases C.O.P. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The specific humidity during cooling and dehumidification None of these Increases Decreases Remains constant None of these Increases Decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The leaks in a refrigeration system using Freon are detected by Sulphur sticks which on detection gives white smoke Smelling Using reagents Halide torch which on detection produces greenish flame lighting Sulphur sticks which on detection gives white smoke Smelling Using reagents Halide torch which on detection produces greenish flame lighting ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Relative humidity is given by (where pv = Partial pressure of water vapour, pb = Barometric pressure, ps = Pressure of saturated air, pd = Pressure at dry bulb temperature, pw = Saturation pressure corresponding to wet bulb temperature, and μ = Degree of saturation) None of these [Pv (Pb - Pd)]/ [Pd (Pb - Pv)] 0.622 Pv / (Pb - Pv) μ/[1 - (1 - μ) (Ps/Pb)] None of these [Pv (Pb - Pd)]/ [Pd (Pb - Pv)] 0.622 Pv / (Pb - Pv) μ/[1 - (1 - μ) (Ps/Pb)] ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The C.O.P. of a heat pump working on a reversed Carnot cycle is T₁/(T₂ - T₁) (T₂ - T₁)/T₁ T₂/(T₂ - T₁) (T₁ - T₂)/T₁ T₁/(T₂ - T₁) (T₂ - T₁)/T₁ T₂/(T₂ - T₁) (T₁ - T₂)/T₁ ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In S.J. unit, one ton of refrigeration is equal to 210 kJ/ min 21 kJ/ min 840 kJ/ min 420 kJ/ min 210 kJ/ min 21 kJ/ min 840 kJ/ min 420 kJ/ min ANSWER DOWNLOAD EXAMIANS APP