Related Questions

Humidity chart is useful for the solution of problems concerning condensation, vaporisation and air conditioning. At a given dry bulb temperature, value of humidity obtained from the humidity chart directly, is in terms of __________ humidity.
A Molal
B Relative
C Percentage
D None of these
During sensible cooling of air, its wet bulb temperature
A Decreases but dew point remains constant
B Increases but dew point remains constant
C Increases & the dew point decreases
D Decreases & the dew point increases
The wet bulb temperature during sensible cooling of air
A Remains constant
B Increases
C Decreases
D None of these
The percentage humidity is less than the relative humidity only at __________ percent humidity.
A Zero
B Hundred
C Both zero and hundred
D None of these
In case of sensible cooling of air, the coil efficiency is given by
A B.P.F. - 1
B 1 - B.P.F.
C $$\frac{1}{{{\text{B}}{\text{.P}}{\text{.F}}{\text{.}}}}$$
D 1 + B.P.F.
During sensible cooling,
A Relative humidity remains constant
B Wet bulb temperature increases
C Specific humidity increases
D Partial pressure of vapour remains constant
Which of the following remains constant during sensible cooling process ?
A Specific humidity
B Partial pressure of vapour
C Both A & B
D Neither A nor B
During sensible cooling process
A Relative humidity decreases
B Relative humidity increases
C Wet bulb temperature decreases
D Both B and C
The specific humidity during cooling and dehumidification
A Remains constant
B Increases
C Decreases
D None of these
The humidity ratio or specific humidity is the mass of water vapour present in
A 1 m3 of wet air
B 1 m3 of dry air
C 1 kg of wet air
D 1 kg of dry air

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