As relative humidity decreases, the dew point temperature will be ___ wet bulb temperature. Higher than None of the listed here Lower than Same as TRUE ANSWER : ? YOUR ANSWER : ?
The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and Carbon dioxide Sulphur dioxide R-12 Lithium bromide TRUE ANSWER : ? YOUR ANSWER : ?
In vapour compression cycle the condition of refrigerant is superheated vapour Before entering the expansion valve After passing through the condenser After passing through the expansion or throttle valve Before passing through the condenser TRUE ANSWER : ? YOUR ANSWER : ?
The pressure at the outlet of a refrigerant compressor is called Suction pressure Discharge pressure Critical pressure Back pressure TRUE ANSWER : ? YOUR ANSWER : ?
The refrigerant for a refrigerator should have Low latent heat High total heat High sensible heat High latent heat TRUE ANSWER : ? YOUR ANSWER : ?
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 3.33 2.33 4.33 1.33 TRUE ANSWER : ? YOUR ANSWER : ?
In case of sensible heating of air, the coil efficiency is given by (where B.P.F. = Bypass factor) 1 - B. P.F. P.F. - 1 1 + B.P.F. 1/ B.P.F. TRUE ANSWER : ? YOUR ANSWER : ?
A refrigeration cycle operates between condenser temperature of + 27°C and evaporator temperature of -23°C. The Carnot coefficient of performance of cycle will be 0.2 6 5 1.2 TRUE ANSWER : ? YOUR ANSWER : ?
The humidity ratio or specific humidity is the mass of water vapour present in 1 kg of dry air 1 m3 of dry air 1 kg of wet air 1 m3 of wet air TRUE ANSWER : ? YOUR ANSWER : ?