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Mass Transfer

Mass Transfer
According to Chilton-Colburn analogy for mass transfer, NSt.NSc2/3 is equal to

F
1/f
2f
F/2

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Mass Transfer
Heat in BTU necessary to increase the temperature of 1 lb of gas and its accompanying vapour by 1°F is called the

Sensible heat
Specific heat
Latent heat
Humid heat

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Mass Transfer
Paper industry employs __________ driers.

Cylinder
Spray
Rotary
Fluidised bed

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Mass Transfer
In McCabe-Thiele method of theoretical plate calculation for a distillation column, the operating lines of stripping and rectifying sections coincide with the diagonal at __________ reflux.

Maximum permissible
Minimum
Operating
Total

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Mass Transfer
L/mG is the expression for

Slope of operating line in absorber
Slope of operating line in stripper
Absorption factor
Brinkman number

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Mass Transfer
When the temperature and humidity of air is low, we usually use __________ draft cooling tower.

None of these
Forced
Natural
Induced

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