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Process Equipment and Plant Design

Process Equipment and Plant Design
Diameter of bubble caps used in high pressure columns is __________ as compared to that used in identical vacuum columns.

More
Same
Either A or B; no generalisation can be made
Less

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Process Equipment and Plant Design
Bubble cap diameter used for the distillation column having diameter ranging from 1.5 to 4.5 metres is about __________ mm.

150
10
50
100

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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
Chain
None of these

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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

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

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Process Equipment and Plant Design
Removable connection of tubes to tube sheet is called

Socket
Ferrule
Nipple
Saddle

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Process Equipment and Plant Design
The main purpose of providing stepping on the trays is to

Increase the residence time
Improve the flow condition
Facilitate handling of large flow rate of liquid
Decrease the pressure drop

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