Refrigeration and Air Conditioning The value of C.O.P in vapour compression cycle is usually Always less than unity Always more than unity Equal to unity Any one of the above Always less than unity Always more than unity Equal to unity Any one of the above 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) 1/ B.P.F. 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. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a reversed Brayton cycle, the heat is absorbed by the air during Isentropic compression process Constant pressure cooling process Isentropic expansion process Constant pressure expansion process Isentropic compression process Constant pressure cooling process Isentropic expansion process Constant pressure expansion process ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression cycle, the refrigerant immediately after expansion valve is Liquid Sub-cooled liquid Wet vapour Saturated liquid Liquid Sub-cooled liquid Wet vapour Saturated liquid ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A condenser of refrigeration system rejects heat at the rate of 120 kW, while its compressor consumes a power of 30 kW. The coefficient of performance of the system will be 4 3 43833 43834 4 3 43833 43834 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a psychrometric chart, specific humidity (moisture content) lines are Horizontal and non-uniformly spaced Vertical and uniformly spaced Curved lines Horizontal and uniformly spaced Horizontal and non-uniformly spaced Vertical and uniformly spaced Curved lines Horizontal and uniformly spaced ANSWER DOWNLOAD EXAMIANS APP
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