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Process Equipment and Plant Design

Process Equipment and Plant Design
Shell side heat transfer co-efficient in case of square pitch as compared to the triangular pitch under similar condition of fluid flow and tube size is

Same
More
Twice
Less

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

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Process Equipment and Plant Design
In shell and tube heat exchangers, straight tie rods are used to

None of these
Account for thermal strain
Fix the tubes in position
Hold baffle in space

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Process Equipment and Plant Design
__________ head is the most economical for cylindrical vessels designed for operating at high pressure (> 15 atm.).

Dished
Conical
Hemispherical
Ellipsoidal

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

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

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Process Equipment and Plant Design
Wall thickness of schedule 40 pipe as compared to that of schedule 80 pipe is

Cither A or B; depends upon the I.D. of the pipe
More
Less
Same

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