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Mass Transfer

Mass Transfer
Free flowing granular materials can be best dried in a __________ drier.

Freeze
Cylinder
Drun
Rotary

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Mass Transfer
Which of the following plays an important role in problems of simultaneous heat and mass transfer?

Schmidt number
Sherwood number
Lewis number
Prandtl number

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Mass Transfer
Which of the following is a suitable absorbent for removal of H₂S from natural gas?

Monoethanol amine (MEA)
Vetrocoke solution
Dilute
Hot water

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Mass Transfer
On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in

Greater degree of separation with a fixed number of trays
Increased reboiler load
None of these
Increased reflux ratio

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Mass Transfer
Mass transfer co-efficient of liquid is

Affected more by temperature than that for gases
None of these
Affected much less by temperature than that for gases
Not affected by the temperature

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Mass Transfer
Decoction refers to the use of solvent

At ambient temperature
In its vapor form
None of these
At its boiling point

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