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Mass Transfer

Mass Transfer
For continuous drying of grannular or crystalline material, the dryer used is the __________ dryer.

Tray
Rotary
Tunnel
None of these

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

Unbound
Equilibrium
Bound
Critical

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Mass Transfer
For ethanol-water system, the lowering of distillate quality from 95% to 92% will cause __________ plate requirement.

None of the listed here
Major decrease in the number of
Marginal decrease in the number of
No change in theoretical

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Mass Transfer
During drying of a solid, the critical moisture content increases with

Both B and C
Decreased drying rate
Increased thickness of the solid
Increased drying rate

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Mass Transfer
In case of an ideal solution, the total vapor pressure varies __________ with the composition expressed as mole fraction,

Exponentially
None of these
Linearly
Inversely

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Mass Transfer
The mass diffusivity, the thermal diffusivity and the eddy momentum diffusivity are same for, NPr = NSc = __________

1
2
3
4

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