Refrigeration and Air Conditioning Mass flow ratio of NH₃ in comparison to Freon-12 for same refrigeration load and same temperature limits is of the order of 9: 1 1: 1 1: 3 1: 9 9: 1 1: 1 1: 3 1: 9 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following statement is correct? The wet bulb and dry bulb temperature are equal at saturation condition The constant enthalpy lines are also constant wet bulb temperature lines The wet bulb temperature is a measure of enthalpy of moist air All of the listed here The wet bulb and dry bulb temperature are equal at saturation condition The constant enthalpy lines are also constant wet bulb temperature lines The wet bulb temperature is a measure of enthalpy of moist air All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In larger industrial and commercial reciprocating compression systems, refrigerant widely used is Sulphur dioxide Carbon dioxide R-12 Ammonia Sulphur dioxide Carbon dioxide R-12 Ammonia ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The wet bulb temperature during sensible heating of air Decreases Remains constant Increases None of these Decreases Remains constant Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The dehumidification process, on the psychrometric chart, is shown by Inclined line Curved line Vertical line Horizontal line Inclined line Curved line Vertical line Horizontal line ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In actual air-conditioning applications for R-12 and R-22, and operating at a condenser temperature of 40° C and an evaporator temperature of 5° C, the heat rejection factor is about 1.25 1 5.12 2.15 1.25 1 5.12 2.15 ANSWER DOWNLOAD EXAMIANS APP
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