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Process Equipment and Plant Design

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

Half
Twice
Four times
Equal to

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Process Equipment and Plant Design
The ratio of down take area to cross-sectional area of the tube, for calendria type evaporator ranges from

1.5 to 2
1 to 1.5
0.5 to 1
2 to 2.5

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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
30
< 10
> 20

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Process Equipment and Plant Design
A binary liquid azeotropic mixture has boiling point lower than either of the components, when it shows __________ deviation from Raoult's Law.

None of these
Negative
No
Positive

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Process Equipment and Plant Design
Log mean temperature difference in case of multi-pass shell and tube heat exchanger is always

Both B & C
More than geometric mean value
Less than arithmetic mean value
More than arithmetic mean value

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Process Equipment and Plant Design
Excessive liquid gradient on a tray may result in the

Back trapping
All of these
Gas blowing beneath cap skit
Maldistribution of gas

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