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Process Equipment and Plant Design

Process Equipment and Plant Design
The slope of operating line in the rectifying section of a distillation column is unity, if the reflux ratio is

∞
0
1
Minimum

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Process Equipment and Plant Design
Slope of countercurrent flow rotary drier is in the range of __________ meter/metre.

0 to 0.08
0 to 0.8
0 to 1.5
0 to 2.2

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Process Equipment and Plant Design
In case of a shell and tube heat exchanger, the effect of L/D on inside film heat transfer co-efficient (hi) vanishes after a Reynold number of

5000
10000
3000
1000

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Process Equipment and Plant Design
Reflux ratio variation in a distillation column is between

None of these
Zero and infinity
Zero and one
Minimum and infinity

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Process Equipment and Plant Design
Maximum allowable vapour velocity in a bubble cap tower is determined by the

Entrainment considerations
None of these
Vapour density
Diameter of the column

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Process Equipment and Plant Design
Minimum baffle spacing recommended in a shell and tube heat exchanger is equal to

25 cms
5 cms
40% of the I.D. of the shell
I.D. of the shell

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