Refrigeration and Air Conditioning A reversible engine has ideal thermal efficiency of 30%. When it is used as a refrigerating machine with all other conditions unchanged, the coefficient of performance will be 2.33 4.33 1.33 3.33 2.33 4.33 1.33 3.33 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The evolution of heat of solution takes place in ammonia absorption plant when Ammonia vapour is driven out of solution Lithium bromide mixes with ammonia Weak solution mixes with strong solution Ammonia vapour goes into solution Ammonia vapour is driven out of solution Lithium bromide mixes with ammonia Weak solution mixes with strong solution Ammonia vapour goes into solution ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Refrigeration in aeroplanes usually employs the following refrigerant Air Freon-22 CO2 Freon-11 Air Freon-22 CO2 Freon-11 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant for a refrigerator should have High sensible heat Low latent heat High latent heat High total heat High sensible heat Low latent heat High latent heat High total heat ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following statement is correct? All of the listed here The constant enthalpy lines are also constant wet bulb temperature lines The wet bulb and dry bulb temperature are equal at saturation condition The wet bulb temperature is a measure of enthalpy of moist air All of the listed here The constant enthalpy lines are also constant wet bulb temperature lines The wet bulb and dry bulb temperature are equal at saturation condition The wet bulb temperature is a measure of enthalpy of moist air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a pressure enthalpy chart, the space to the left of the saturated liquid line represents 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 Superheated vapour region ANSWER DOWNLOAD EXAMIANS APP
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