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Process Equipment and Plant Design

Process Equipment and Plant Design
Which of the following material is seldom used for pressure vessel construction?

Rimmed still
Semi-killed steel
Mild steel
Killed steel

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Process Equipment and Plant Design
Larger depth of liquid on the trays of a distillation column

Leads to high tray efficiency
Results in higher pressure drop per tray
Neither A nor B
Both A & B

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Process Equipment and Plant Design
Power required for agitation depends upon the

Size of agitator & the tank
All of these
Height & properties of the liquid
Agitator type & speed of agitation

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Process Equipment and Plant Design
Factor of safety (i.e., overdesign factor) in heat transfer equipments is about __________ percent more than the actual/theoretical design factor.

15-20
30-35
35-40
43961

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Process Equipment and Plant Design
An underdesigned steam trap will

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

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Process Equipment and Plant Design
For a given design of bubble cap, the number of bubble caps to be used per tray is set by the

All of these
Diameter of the column
Plate spacing
Allowable gas velocity through the slots

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