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Mass Transfer

Mass Transfer
During drying operation, it is easier to remove the __________ moisture.

Bound
Critical
Equilibrium
Unbound

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Mass Transfer
If moisture content of solid on dry basis is X, then the same on wet basis is

(X + 1)/X
X/(X - 1)
X/(X + 1)
(X - 1)/X

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Mass Transfer
Which of the following plays an important role in problems of simultaneous heat and mass transfer?

Lewis number
Prandtl number
Sherwood number
Schmidt number

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Mass Transfer
The slope of the operating line for a single component co-current absorber when plotted in terms of mole ratio units is

-ve
+ve
∞

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Mass Transfer
In case of unsaturated air

Wet bulb temperature < dry bulb temperature
Dew point < wet bulb temperature
None of the listed here
Both of the options given here

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

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

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