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Mass Transfer

Mass Transfer
Calcium ammonium nitrate (a fertiliser) is dried in a __________ dryer.

Rotary
Vacuum
Tray
Tunnel

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Mass Transfer
The most economical range of absorption factor is

2.5 to 3
5 to 10
2 to 2.5
1.25 to 2

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Mass Transfer
Occurrence of 'case hardening' during drying of a high moisture solid cake __________ the drying rate.

Does not affect
Increases
Decreases
Exponentially increases

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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 = 0
q > 1

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Mass Transfer
The change in enthalpy per unit weight of adsorbed gas when adsorbed on gas free or "outgassed" adsorbent to from a definite concentration of adsorbate is called its

Heat of wetting
Integral heat of adsorption
Heat of normal condensation
Differential heat of adsorption

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Mass Transfer
Smoke is an example of

Liquid dispersed in gas
Gas dispersed in liquid
Solid dispersed in liquid
Solid dispersed in gas

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MORE MCQ ON Mass Transfer

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