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Process Equipment and Plant Design

Process Equipment and Plant Design
In case of a 'thin' pressure vessel, the ratio of its diameter to wall thickness is

> 10
30
> 20
< 10

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Process Equipment and Plant Design
The thickness of segmental baffles (25 -35% cut truncated plates usually) is generally __________ the tube wall thickness.

Twice
Four times
Equal to
Half

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Process Equipment and Plant Design
__________ shaped roof is most commonly used for cylindrical tanks.

Cone
Flat
Dome
Umbrella

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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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Process Equipment and Plant Design
An underdesigned steam trap will

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

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Process Equipment and Plant Design
If 'D' is the inside diameter of the shell of a shell and tube heat exchanger, then the baffle spacing is usually in the range of

D/5 or minimum 2" to 5D
D/2 or minimum 2" to 5D
D/5 or minimum 2" to D
None of these

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