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Process Equipment and Plant Design

Process Equipment and Plant Design
The maximum liquid gradient over a tray must not exceed

Half the tray spacing
0.5" -1.25"
2"-3.5"
5"

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Process Equipment and Plant Design
Maximum acceptable total liquid gradient over a tray is about __________ mm.

30.5
5.5
45.5
12.5

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Process Equipment and Plant Design
A/an __________ is used for changing the direction of a pipeline.

Disc compensator
Elbow
Union
Flange

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Process Equipment and Plant Design
The difficulty of liquid distribution in packed towers is accentuated, when the ratio of tower diameter to packing diameter is

< 7
< 30
> 20 < 50
> 7 < 15

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Process Equipment and Plant Design
Baffle spacing is generally __________ the I.D. of the shell.

Not greater than
More than
Not less than one fifth of
Both B and C

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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

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

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