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Mass Transfer

Mass Transfer
In liquid-liquid extraction, the number of phases at plait point is

2
3
4
1

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Mass Transfer
Which of the following employs an accessory known as 'drift eliminator' ?

Mechanical draft cooling tower
Rotary dryer
Rotating disc contactor
Multiple effect evaporator

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Mass Transfer
For a single component absorber, the operating line is straight only when plotted in term of __________ units.

None of these
Partial pressure
Mole ratio
Mole fraction

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Mass Transfer
During sensible cooling process

Both B and C
Wet bulb temperature decreases
Relative humidity decreases
Relative humidity increases

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Mass Transfer
Ammonia present in the coke oven gas is removed by washing with

Dilute HCl
Dilute ammoniacal liquor
Ethanolamine
Caustic solution

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Mass Transfer
Alcohol is dehydrated using __________ distillation.

Molecular
Azeotropic
Steam
Extractive

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