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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.

Equal to
Twice
Four times
Half

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Process Equipment and Plant Design
Generally, as the length of the liquid path on a tray is increased beyond 5 ft, the overall column efficiency

Increases
Remains same
Decreases
May increase or decrease depending upon the plate spacing

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Process Equipment and Plant Design
The equivalent diameter for fluid flow through a channel of constant non-circular cross section of area 'A' is given by (where, P = perimeter of the channel in contact with the fluid)

√A
4 P/A
4 A/P
A/P

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

No
Negative
None of these
Positive

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Process Equipment and Plant Design
Rivets are generally specified by the

Overall length
None of these
Head diameter
Shank diameter

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Process Equipment and Plant Design
In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube)

(P² - πd²/4)/πd
Πd/4P²
4(P² - πd²/4)/πd
4P²/πd

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