Refrigeration and Air Conditioning The evaporator used in household refrigerators is None of these Non-frosting evaporator Defrosting evaporator Frosting evaporator None of these Non-frosting evaporator Defrosting evaporator Frosting evaporator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The emissivity of a polished silver body is ____ as compared to black body. High Very low Low Same High Very low Low Same ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a pressure enthalpy chart, the space to the left of the saturated liquid line represents Superheated vapour region Wet vapour region Sub-cooled liquid region None of the listed here Superheated vapour region Wet vapour region Sub-cooled liquid region None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The total pressure exerted by the mixture of air and water vapour is equal to the sum of pressures which each constituent would exert, if it occupied the same space by itself. This statement is called Avogadro's hypothesis Kinetic theory of gases Dalton's law of partial pressures Newton's law of gases Avogadro's hypothesis Kinetic theory of gases Dalton's law of partial pressures Newton's law of gases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The evaporator changes the low pressure liquid refrigerant from the expansion valve into None of these Low pressure vapour refrigerant High pressure liquid refrigerant Low pressure liquid and vapour refrigerant None of these Low pressure vapour refrigerant High pressure liquid refrigerant Low pressure liquid and vapour refrigerant 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 1 kW 4 kW 3 kW 2 kW 1 kW 4 kW 3 kW 2 kW ANSWER DOWNLOAD EXAMIANS APP
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