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Process Equipment and Plant Design

Process Equipment and Plant Design
Cylinderical shell thickness of rotary drier is generally __________ mm.

44180
43864
43990
18-22

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Process Equipment and Plant Design
Le/D for fully open gate valves would be

Much more than that for fully open globe valves
Around 7
Much less (say 2% than that for fully open globe valves)
Both B and C

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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

Inside diameter
Wall thickness
None of these
Outside diameter

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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 adequate clearance between the tray and the shell wall of a distillation column is provided to

Allow for thermal expansion and facilitate installation
None of these
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
In a __________ rivetted joint, the number of rivets decreases from the innermost row to the outermost row.

Diamond
Zig-zag
None of these
Chain

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