Related Questions

For water evaporating into usaturated air under adiabatic conditions and at constant pressure, the __________ remains constant throughout the period of vaporisation.
A Dry bulb temperature
B Wet bulb temperature
C Humidity
D Relative saturation
During adiabatic saturation process on unsaturated air __________ remains constant.
A Relative humidity
B Dew point temperature
C Dry bulb temperature
D Wet bulb temperature
Which of the following parameters remains almost constant during adiabatic saturation of unsaturated air?
A Dry bulb temperature
B Dew point
C Wet bulb temperature
D None of these
রুদ্ধতাপীয় পরিবর্তনে কোন ভৌত রাশিটি স্থির থাকে? (Which physical quantity remains constant during adiabatic process?)
A তাপমাত্রা (Temperature)
B চাপ (Pressure)
C আয়তন (Volume)
D এনট্রপি (Entropy)
রুদ্ধ তাপীয় পরিবর্তনে কোন ভৌত রাশিটি স্থির থাকে? (Which physical quantity remains constant during adiabatic process?)
A তাপমাত্রা (Temperature)
B চাপ (Pressure)
C আয়তন (Volume)
D এনট্রপি (Entropy)
In self cooled motors the cooling time constant is about ______ than the heating time constant because cooling conditions are worse at standstill.
A 2 to 3 times greater
B 3 to 4 times greater
C 4 to 5 times greater
D none of the above
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
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
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
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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