Refrigeration and Air Conditioning A heat pump working on a reversed Carnot cycle has a C.O.P. of 5. It works as a refrigerator taking 1 kW of work input. The refrigerating effect will be 1 kW 4 kW 2 kW 3 kW 1 kW 4 kW 2 kW 3 kW ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In case of sensible cooling of air, the coil efficiency is given by 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 The leakage in a refrigeration system using Freon is detected by Halide torch Sulphur sticks All of these Soap and water Halide torch Sulphur sticks All of these Soap and water ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Short horizontal lines on pressure-enthalpy chart show Constant total heat lines Constant pressure lines Constant entropy lines Constant temperature lines Constant total heat lines Constant pressure lines Constant entropy lines Constant temperature lines ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle, the condition of refrigerant is saturated liquid Before entering the expansion valve Before passing through the condenser After passing through the condenser After passing through the expansion throttle valve Before entering the expansion valve Before passing through the condenser After passing through the condenser After passing through the expansion throttle valve ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a domestic vapour compression refrigerator, the refrigerant commonly used is R-12 CO? Ammonia All of these R-12 CO? Ammonia All of these ANSWER DOWNLOAD EXAMIANS APP