Related Questions

When the air is passed through an insulated chamber having sprays of water maintained at a temperature higher than the dew point temperature of entering air but lower than its dry bulb temperature, then the air is said to be
A Cooled and humidified
B Cooled and dehumidified
C Heated and humidified
D Heated and dehumidified
The freezing point of a liquid decreases when the pressure is increased, if the liquid __________ while freezing.
A Contracts
B Expands
C Does not change in volume
D Either A, B or C
When water is sprayed on air, passing through an insulated chamber maintained at a temperature higher than the dew point of entering air but lower than its dry bulb temperature, then the air is
A Cooled and dehumified
B Heated and humidified
C Cooled and humidified
D Heated and dehumidified
Heat flux increases with temperature drop beyond the Leiden frost point in the plot of heat flux vs. temperature drop for a boiling liquid, because
A Convection becomes important
B Conduction becomes important
C Radiation becomes important
D Sub-cooled boiling occurs
For unsaturated air, the dew point temperature is __________ wet bulb temperature.
A Equal to
B Less than
C More than
D None of these
At what temperature (in Fahrenheit) pure water freezes?
A 0
B 17
C 32
D 39
It was a freezing day of winter. " Here freezing is -
A Adjective
B Adverb
C Verb
D Preposition
Dew point temperature always gives an indication of the __________ of the moist air.
A Dryness
B Moisture content
C Coolness
D Latent heat
With increase in absolute humidity, the dew point of an unsaturated mixture of air and water vapor (at constant pressure and temperature)
A Increases
B Remains unchanged
C Decreases
D Decreases linearly
As relative humidity decreases, the dew point temperature will be ________ wet bulb temperature.
A Same as
B Lower than
C Higher than
D None of these

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