Refrigeration and Air Conditioning A human body feels comfortable when the heat produced by the metabolism of human body is equal to the Sum of (A) and (B) Heat stored in the human body Difference of (A) and (B) Heat dissipated to the surroundings Sum of (A) and (B) Heat stored in the human body Difference of (A) and (B) Heat dissipated to the surroundings ANSWER DOWNLOAD EXAMIANS APP
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 2 kW 3 kW 4 kW 1 kW 2 kW 3 kW 4 kW 1 kW ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A valve which maintains a constant degree of superheat at the end of the evaporator coil, is called High side float valve Automatic expansion valve Low side float valve Thermostatic expansion valve High side float valve Automatic expansion valve Low side float valve Thermostatic expansion valve 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 The difference between dry bulb temperature and dew point temperature, is called Dew point depression Dry bulb depression Degree of saturation Wet bulb depression Dew point depression Dry bulb depression Degree of saturation Wet bulb depression ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Freon group of refrigerants are Non-inflammable and toxic Toxic Inflammable Nontoxic and non-inflammable Non-inflammable and toxic Toxic Inflammable Nontoxic and non-inflammable ANSWER DOWNLOAD EXAMIANS APP
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