Refrigeration and Air Conditioning The difference between dry bulb temperature and wet bulb temperature, is called Dew point depression Wet bulb depression Degree of saturation Dry bulb depression Dew point depression Wet bulb depression Degree of saturation Dry bulb depression ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The heat rejection factor (HRF) is given by 1 - (1/C.O.P) 1 + (1/C.O.P) 1 - C.O.P. 1 + C.O.P 1 - (1/C.O.P) 1 + (1/C.O.P) 1 - C.O.P. 1 + C.O.P ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One of the purposes of sub cooling the liquid refrigerant is to Increase cooling effect Reduce compressor overheating Ensure that only liquid and not the vapour enters the expansion (throttling) valve Reduce compressor discharge temperature Increase cooling effect Reduce compressor overheating Ensure that only liquid and not the vapour enters the expansion (throttling) valve Reduce compressor discharge temperature 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 Kinetic theory of gases Newton's law of gases Dalton's law of partial pressures Avogadro's hypothesis Kinetic theory of gases Newton's law of gases Dalton's law of partial pressures Avogadro's hypothesis ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In which of the following refrigeration system, waste heat can be effectively used? Air refrigeration cycle Vapour absorption cycle None of the listed here Vapour compression cycle Air refrigeration cycle Vapour absorption cycle None of the listed here Vapour compression cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression system, the condition of refrigerant before passing through the condenser is Dry saturated vapour Wet vapour Superheated vapour Saturated liquid Dry saturated vapour Wet vapour Superheated vapour Saturated liquid ANSWER DOWNLOAD EXAMIANS APP
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