Refrigeration and Air Conditioning The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and Carbon dioxide Sulphur dioxide Lithium bromide R-12 Carbon dioxide Sulphur dioxide Lithium bromide R-12 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Rating of a domestic refrigerator is of the order of 10 tons 5 tons 40 tons 0.1 ton 10 tons 5 tons 40 tons 0.1 ton 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) 0.622 Pv / (Pb - Pv) [Pv (Pb - Pd)]/ [Pd (Pb - Pv)] None of these μ/[1 - (1 - μ) (Ps/Pb)] 0.622 Pv / (Pb - Pv) [Pv (Pb - Pd)]/ [Pd (Pb - Pv)] None of these μ/[1 - (1 - μ) (Ps/Pb)] ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle, the condition of refrigerant is saturated liquid After passing through the condenser Before entering the expansion valve Before passing through the condenser After passing through the expansion throttle valve After passing through the condenser Before entering the expansion valve Before passing through the condenser After passing through the expansion throttle valve ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The dry bulb temperature lines, on the psychrometric chart are Curved lines Vertical and uniformly spaced Horizontal and non-uniformly spaced Horizontal and uniformly spaced Curved lines Vertical and uniformly spaced Horizontal and non-uniformly spaced Horizontal and uniformly spaced ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The sub-cooling in a refrigeration cycle Increases C.O.P. 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. ANSWER DOWNLOAD EXAMIANS APP
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