Related Questions

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
Noise produced by cooling fans (employed in air cooled heat exchangers or cooling tower) is mainly caused due to the turbulence created by blade passage through air. It can be reduced by use of a slower fan
A With greater number of blades
B Of increased diameter
C Both A & B
D Neither A nor B
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 water can be cooled in a cooling tower is
A Dew point temperature of air
B Wet bulb temperature of air
C Dry bulb temperature of air
D Ambient air temperature
Evaporative cooling process employs a combination of cooling and humidification in which the
A Sensible heat is added
B Sensible heat is removed and the latent heat is added
C Latent heat is removed
D Sensible heat is added and latent heat is removed
In actual operation of a bubble cap distillation tower, the __________ at the bottom of the tower is more than that at the top of the tower.
A Molal flow rate of vapour
B Vapour molecular weight
C Pressure and temperature
D All of the above
In a bootstrap air evaporative cooling system, the evaporator is provided
A Between the combustion chamber and the first heat exchanger
B Between the first heat exchanger and the secondary compressor
C Between the secondary compressor and the second heat exchanger
D Between the second heat exchanger and the cooling turbine
Which of the following remains constant during evaporative cooling process with recirculated water supply?
A Relative humidity
B Partial pressure of vapour
C Wet bulb temperature
D None of these
Which of the following increases during evaporative cooling process with recirculated water supply?
A Wet bulb temperature
B Relative humidity
C Partial pressure of vapour
D Both B and C
Which of the following decreases during evaporative cooling process with recirculated water supply?
A Wet bulb temperature
B Relative humidity
C Partial pressure of vapour
D None of these

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