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Mass Transfer

Mass Transfer
Water entrained by circulating air in cooling towers is termed as

Drift
Blow down
None of the listed here
Vapor load

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Mass Transfer
In distillation where q is defined as the moles of liquid flow in the stripping section per mole of feed introduced, for saturated liquid feed

q = 1
q > 1
q < 1
q = 0

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Mass Transfer
A slurry is to be dried to produce flaky solid. Which dryer would you recommend?

Spray dryer
Dielectric dryer
Rotary dryer
Drum dryer

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Mass Transfer
Heat sensitive materials like certain pharmaceuticals and food stuffs can be dried in a/an __________ dryer.

Freeze
Spray
None of these
Indirect tray

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Mass Transfer
The Hatta number is important in

Multicomponent distillation
Gas absorption without chemical reaction
Binary distillation
Gas absorption with chemical reaction

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Mass Transfer
With increase in temperature, the rate of leaching increases, because the

None of these
Thermal conductivity of solute increases
Viscosity of solvent decreases
Diffusivity of solute increases

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