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Mass Transfer

Mass Transfer
Operating velocity in a packed tower is usually __________ the flooding velocity.

More than
Twice
Equal to
Half

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Mass Transfer
The minimum number of theoretical plates is required for achieving a given separation in distillation column with

No reflux
Total reflux
Minimum reflux ratio
Zero reflux ratio

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Mass Transfer
The partial pressure distribution of an ideal gas diffusing through another stagnant ideal gas at steady state follows a/an __________ law.

Cubic
Parabolic
Linear
Exponential

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Mass Transfer
When the mixture to be distilled has a very high boiling point and the product material is heat sensitive, the separation technique to be used is __________ distillation.

Steam
Azerotropic
None of these
Continuous

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Mass Transfer
At 750°K and 1 atm, the approximate value of Schmidt number for air is

10
0.1
1
0.01

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Mass Transfer
Dried finished product sampled from various parts of a __________ dryer exhibits non-uniformity in the moisture content.

None of these
Tray
Freeze
Rotary

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