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Process Equipment and Plant Design

Process Equipment and Plant Design
The thickness of heat transfer plates used in the plate type heat exchanger ranges from __________ mm, pressed in a single piece provided with grooves & corrugations.

44055
0.3 to 0.8
1.25 to 3.125
3.5 to 7.0

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Process Equipment and Plant Design
What is the value of 'q' for saturated vapor feed to a distillation column ?(where q = fraction of the feed stream that is liquid.)

1
> 1

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Process Equipment and Plant Design
In a shell and tube heat exchanger having triangular pitch, the shell side equivalent diameter is given by

(4p² - πd²/4)/πd
4(0.86p² - πd²)/πd
4(0.86p² - πd²/4)/πd
(p² - πd²/4)/πd

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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

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

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Process Equipment and Plant Design
The ratio of tube length to shell diameter in case of liquid shell and tube heat exchanger ranges from

3 to 5
4 to 8
2 to 3
6 to 12

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

< 10
> 10
30
> 20

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