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Mass Transfer

Mass Transfer
Pore size of the molecular seive 5A is __________ mm.

0.05
5
0.5
50

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Mass Transfer
NSc/NPr is called the

Psychrometric ratio
Stantan number
Sherwood number
Lewis number

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Mass Transfer
At minimum reflux ratio for a given separation

Number of plates is infinity
Minimum number of the theoretical plates is required
Separation is most efficient
Number of plates is zero

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Mass Transfer
Sticky material can be dried in a __________ dryer.

None of these
Fluidised bed
Tray
Rotary

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Mass Transfer
Physical absorption is

An irreversible phenomenon
Accompanied by evolution of heat
A reversible phenomenon
Both B & C

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Mass Transfer
With increase in temperature, the leaching rate increases due to

Decreased liquid viscosity
Increased diffusivity
Both A & B
Neither A nor B

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