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Mass Transfer

Mass Transfer
Wet bulb and dry bulb temperatures becomes identical at __________ percent saturation curve.

50
78
100
None of these

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Mass Transfer
With decrease in the throughput (compared with the design capacity) for a bubble cap distillation column, its efficiency

Remains same
May increase or decrease ; depends on individual design
Decreases
Increases

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Mass Transfer
If f = moles of vapour present per mole of feed, then the slope of feed line is

- 1/f
(1 - f)/f
- f/(1 - f)
- (f - 1)/f

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Mass Transfer
Tea percolation employs

None of these
Leaching
Liquid-liquid extraction
Absorption

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Mass Transfer
The ratio of Murphree plate efficiency to point efficiency is 1 in a __________ flow model.

Perfectly mixed
Plug
Both plug & perfectly mixed
None of the listed here

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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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