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Process Equipment and Plant Design

Process Equipment and Plant Design
In a heat exchanger, shell side fluid velocity can be changed by changing the tube

Layout
Both A & B
Pitch
Neither A nor B

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Process Equipment and Plant Design
A pipe is generally made of circular cross-section, because a circular cross-section has the

Both A & B
Lowest surface area requirement for a given volume
None of these
Higher structural strength

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Process Equipment and Plant Design
A claming section before the liquid flows into the downcomer is privided to

Cool the liquid before it flows down
Ensure better vapour-liquid contact
Permit release of entrained vapour in the liquid
Reduce the discharge fluctuation

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Process Equipment and Plant Design
An adequate clearance between the tray and the shell wall of a distillation column is provided to

None of these
Allow for thermal expansion and facilitate installation
Drain the liquid from the tray when the unit is not in operation
Avoid back-trapping

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Process Equipment and Plant Design
Minimum tube pitch recommended for shell and tube heat exchangers is about __________ times the outside diameter of the tube.

1.25
2.5
3.5
1.75

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Process Equipment and Plant Design
Tube height in a calendria type evaporator is normally less than __________ metres.

2
5.5
1
3.5

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