A.Wet bulb temperature decreases and relative humidity increases
B.Wet bulb temperatures increases and relative humidity decreases
C.Both wet bulb temperatures as well as relative humidity increase
D.Both wet bulb temperature as well as relative humidity decrease
E.Both humidity ratio as well as relative humidity remain constant
A.Is pure ice
B.Contains dissolved air
C.Contains dissolved gases
D.Is produced by blowing air during freezing
E.None of the above
A.As it helps the operator to adjust compressor for greatest efficiency
B.As temperature indicates whether liquid or vapour refrigerant is going to compressor
C.As temperature helps in calculating the coefficient of performance
D.As the performance of other units of the cycle can be controlled
E.None of the above
A.Less than – 50?C
B.Around – 20?C
C.0?C
D.Around 50?C
E.Above 100?C
A.Open cycle
B.Closed cycle
C.Mixed cycle
D.Hybrid cycle
A.It will stop working
B.The refrigerant will leak
C.There will be less cooling effect
D.Frost will be formed on cabinet surface
E.(A) and (B) above
A.Sub-cooled water
B.Fast cooled water
C.Due to dissolved air, gases and impurities
D.Produced by blowing air during freezing
E.None of the above
A.Operating the machine at higher speeds
B.Operating the machine at lower speeds
C.Raising the higher temperature
D.Lowering the higher temperature
E.None of the above
A.0.2 kg
B.0.5 kg
C.1 kg
D.12 kg
E.1.8 kg
