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Mass Transfer

Mass Transfer
At the boiling point of the liquid at the prevailing pressure, the saturated absolute humidity becomes

None of these
?
1

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Mass Transfer
Total reflux in a distillation operation requires minimum

Reboiler load
Condenser load
Number of plates
All of these

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Mass Transfer
It takes 6 hours to dry a wet solid from 50% moisture content to the critical moisture content of 15%. How much longer it will take to dry the solid to 10% moisture content, under the same drying conditions? (The equilibrium moisture content of the solid is 5%).

71 min
94 min
15 min
51 min

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Mass Transfer
Hydrogenation of oil is carried out in a/an __________ in Vanaspati manufacturing plant.

Sieve tray column
Bubble cap column
Agitated vessel
Packed tower

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Mass Transfer
Air initially at 101. 3 kPa and 40°C and with a relative humidity of 50%, is cooled at constant pressure to 30°C. The cooled air has a

Higher dew point
Higher relative humidity
Higher wet bulb temperature
Higher absolute (specific) humidity

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Mass Transfer
Flooding in a column results due to

Low velocity of the liquid
High temperature
High pressure drop
Low pressure drop

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