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Process Equipment and Plant Design

Process Equipment and Plant Design
Diameter of bubble caps used in high pressure columns is __________ as compared to that used in identical vacuum columns.

More
Same
Less
Either A or B; no generalisation can be made

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Process Equipment and Plant Design
Value of Peclet number = 0, is the representative of

Complete back mixing
Plug flow
Eddy diffusivity = 0
Laminar flow

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Process Equipment and Plant Design
Le/D for fully open globe value may be around

300
75
10
25

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Process Equipment and Plant Design
Two iron pipes of the same nominal diameter but different schedule numbers will have the same

None of these
Wall thickness
Inside diameter
Outside diameter

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Process Equipment and Plant Design
The thickness of heat transfer plates used in the plate type heat exchanger ranges from __________ mm, pressed in a single piece provided with grooves & corrugations.

1.25 to 3.125
44055
0.3 to 0.8
3.5 to 7.0

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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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