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 wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at __________ percent relative humidity.
A 0
B 100
C 50
D None of these
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
In a spray washing system, if the temperature of water is higher than the dry bulb temperature of entering air, then the air is
A Heated and dehumidified
B Heated and humidified
C Cooled and humidified
D Cooled and dehumidified
When the temperature of air leaving the inter-cooler, in a two stage compression with inter-cooler, is ________ the original atmospheric air temperature, then the intercooling is known as perfect or complete intercooling.
A Equal to
B Less than
C More than
D None of these
Which of the following property of air does not increase with rise in temperature?
A Thermal conductivity
B Thermal diffusivity
C Density
D Dynamic viscosity
For unsaturated air, the dew point temperature is __________ wet bulb temperature.
A Equal to
B Less than
C More than
D None of these
The temperature of water cooled in cooling tower is always __________ temperature of entering air.
A More than the wet bulb
B Less than the wet bulb
C Equal to the wet bulb
D Equal to the dry bulb
The minimum temperature to which the water can be cooled in a cooling tower is the __________ temperature of air.
A Ambient
B Dry bulb
C Dew point
D Wet bulb
Minimum temperature upto which water can be theoretically cooled down in the cooling tower by evaporative cooling is equal to the __________ temperature of air.
A Wet bulb
B Dry bulb
C Saturation
D Dew point

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