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
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
The relative humidity of air decreases in-spite of an increase in the absolute humidity, when the
A Temperature rises
B Pressure rises
C Temperature falls
D Pressure falls
When the __________ the relative humidity of air decreases, despite an increase in the absolute humidity.
A Temperature rises
B Pressure rises
C Temperature falls
D Pressure falls
The humidity of air measured i percentage is called _
A Absolute humidity
B Specific humidity
C Relative humidity
D All of these
The humidity of air measured in percentage is called -
A Absolute humidity
B Relative humidity
C Specific humidity
D All of these
Humidity in the air is measured in a
A Barometer
B Electrometer
C Hygrometer
D Hydrometer
At a fixed pressure, the humidity depends upon the partial pressure of vapor in the mixture. Humidity of a vapour free gas is __________ percent.
A 100
B 0
C 50
D Between 0 and 100
Critical humidity of a solid salt means the humidity
A Above which it will always become damp
B Below which it will always stay dry
C Both A and B
D Above Which it will always become dry and below which it will always stay damp
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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