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Mass Transfer

Mass Transfer
What is the reflux ratio at total reflux?

Unity
Zero
Infinity
Data insufficient

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Mass Transfer
Rayleigh's equation applies to __________ distillation.

Flash
Differential
Steam
Continuous

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Mass Transfer
In distillation where q is defined as the moles of liquid flow in the stripping section per mole of feed introduced, for saturated liquid feed

q < 1
q > 1
q = 1
q = 0

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Mass Transfer
If the specific heats of a gas and a vapor are 0.2KJ/Kg.°K and 1.5 KJ/Kg.°K respectively, and the humidity is 0.01; the humid heat in KJ/°Kg. is

0.107
0.215
0.31
0.017

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Mass Transfer
At what value of reflux ratio, number of theoretical plates in a distillation column is minimum?

1
< 1
∞

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

Rotary
Cylinder
Drun
Freeze

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