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Process Equipment and Plant Design

Process Equipment and Plant Design
Vertical vessels are not supported by

Saddles
Brackets
Skirts
Columns

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Process Equipment and Plant Design
Generally, no corrosion allowance in wall thickness of a part is required, if the thickness is more than __________ mm.

5
10
20
30

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Process Equipment and Plant Design
Typical static submergence for bubble cap plate column operating at atmospheric pressure may be around

5"
0.5"
2.5"
50% of the plate spacing

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Process Equipment and Plant Design
Fouling factor must be included in the calculation of over all design heat transfer coefficient, when the liquid

Is of high specific gravity
Containing suspended solids flows at high velocity
Is highly viscous
Containing suspended solids flows at low velocity

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Process Equipment and Plant Design
1.2 to 3.8 cms is the value of the

Static submergence in case of a bubble cap tray for column operating under pressure (≥ 1 atm.)
All of these
Downcomer liquid seal in case of a balanced tray design
Skirt clearance for bubble caps

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Process Equipment and Plant Design
The slope of the feed line in distillation opeartion is given by (where, q = fraction of the feed stream that is liquid.)

-q
-q/(q-1)
-q/(1-q)
None of these

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