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Mass Transfer

Mass Transfer
The dew point of a saturated gas phase equals the __________ temperature.

Gas
Room
None of these
Wet bulb

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Mass Transfer
The boiling points of pure components of a binary system __________ with increase in total pressure of the system.

Decreases
Remains unchanged
May increase or decrease, depends on the system
Increases

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Mass Transfer
Reboiler is considered as one theoretical plate, because

Of the assumption that vapour and liquid leaving the reboiler are in equilibrium
None of these
Vapour is recycled to the column
Reboiler itself contains one plate

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Mass Transfer
Selectivity of the solvent used in solvent extraction should be

< 1
1
> 1

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Mass Transfer
The main reason for dividing a tall packed tower into series of small towers is to

Reduce liquid hold up
Minimise the overall pressure drop
Avoid channeling
Avoid flooding

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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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