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Process Equipment and Plant Design

Process Equipment and Plant Design
The retention time of material in a rotary dryer depends upon its

All of these
Slope & length
Flights arrangement
Rpm

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Process Equipment and Plant Design
__________ is the determining factor for the number of bubble caps to be used per tray.

Vapor load
Liquid load
Tray diameter
Permissible slot velocity

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Process Equipment and Plant Design
In a multiple effect evaporator system having 'n' effects, the amount of water evaporated per unit surface area in approximately equal to __________ times that in a single effect.

0.5 nth
1.5 nth
(1/n)th
nth

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Process Equipment and Plant Design
Scale up problem in design based on the similarity concept takes into account __________ similarity.

All of these
Kinematic
Geometrical
Dynamic

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Process Equipment and Plant Design
Back-trapping in a distillation column results due to

Low gas velocity
High gas velocity
Low reflux ratio
Excessive liquid gradient over the tray

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Process Equipment and Plant Design
It is not desirable to design a heat exchanger for LMTD correction factor, FT, of less than

0.8
0.99
0.55
0.95

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