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Process Equipment and Plant Design

Process Equipment and Plant Design
In a distillation column, minimum clearance to be maintained betweeen the overflow weir and the last row of the bubble caps is __________ cms.

20
2.5
15
7.5

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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
Dynamic
Kinematic
Geometrical

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Process Equipment and Plant Design
An underdesigned steam trap will

Waste steam
None of these
Destroy itself of acceleration wear due to rapid recycling
Back up condensate and cause water hammer in steam line

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Process Equipment and Plant Design
A 'rupture disc' is provided in chemical equipments as an accessory meant for

Relieving excess pressure
Avoiding vortex formation
Creating turbulence
Enhancing mixing rate

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Process Equipment and Plant Design
Diameter of the seive tray column is determined by the

Upper limit of the vapour velocity
Lower limit of vapour velocity
Hole diameter of the seive tray
Height of the plate spacing

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Process Equipment and Plant Design
For turbine agitator, the impeller diameter is about

0.1 to 0.2 d
0.3 to 0.5 d
0.95 d
0.65 to 0.85 d

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