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Mass Transfer

Mass Transfer
If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm.

2.5 to 3
3 to 4
5
1.2 to 1.5

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Mass Transfer
Which of the following is considered equivalent to one theoretical stage in Mc-Cabe Thiele's method?

Both B and C
Reboiler
Partial condenser
Total condenser

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Mass Transfer
Antibiotics are best handled in a

Rotating disc contactor
Pulsed column extractor
Sieve tray contractor
Podbielniak extractor

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Mass Transfer
Azeotropism for ethyl alcohol-water system disappears by

Increasing temperature
Increasing pressure
No means
Decreasing pressure

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Mass Transfer
In distillation, overhead product contains

Two components
Only saturated liquid
Any number of components
Only one component

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Mass Transfer
With increase in pressure, the relative volatility for a binary system

Decreases
Remains same
Either A or B, depends on the system
Increases

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