Refrigeration and Air Conditioning During sensible cooling, Specific humidity increases Relative humidity remains constant Wet bulb temperature increases Partial pressure of vapour remains constant Specific humidity increases Relative humidity remains constant Wet bulb temperature increases Partial pressure of vapour remains constant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The evaporator changes the low pressure liquid refrigerant from the expansion valve into High pressure liquid refrigerant Low pressure vapour refrigerant None of these Low pressure liquid and vapour refrigerant High pressure liquid refrigerant Low pressure vapour refrigerant None of these Low pressure liquid and vapour refrigerant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression system, the condition of refrigerant before passing through the condenser is Saturated liquid Wet vapour Dry saturated vapour Superheated vapour Saturated liquid Wet vapour Dry saturated vapour Superheated vapour ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Efficiency of a Carnot engine is given as 80%. If the cycle direction be reversed, what will be the value of C.O.P. of reversed Carnot Cycle? 1.25 0.25 0.5 0.8 1.25 0.25 0.5 0.8 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Refrigeration in aeroplanes usually employs the following refrigerant Freon-22 Air Freon-11 CO2 Freon-22 Air Freon-11 CO2 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 3 kW 4 kW 2 kW 1 kW 3 kW 4 kW 2 kW 1 kW ANSWER DOWNLOAD EXAMIANS APP
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