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Process Equipment and Plant Design

Process Equipment and Plant Design
Thin spherical shells subjected to internal pressure, develop __________ stresses.

Circumferential
Both A & B
Neither A nor B
Radial

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Process Equipment and Plant Design
Baffles are provided in a shell and tube heat exchanger to increase the turbulence and velocity of the shell side fluid. Which of the following shaped baffles does not fall in the category of transverse baffle?

Helical type baffle
Segmental baffle
Disk type baffle
Flat plate extending across the wall

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Process Equipment and Plant Design
Pressure drop per tray in the atmospheric distillation column is about __________ psi.

0.07 - 0.12
0.5 - 1.0
0.01 - 0.5
43833

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Process Equipment and Plant Design
In actual operation of distillation column, the vapour is not distributed uniformly among the bubble caps, primarily because of the

Lower static submergence
Lower skirt clearance
Small downcomer liquid seal
Liquid gradient on the tray

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Process Equipment and Plant Design
The shell side pressure drop in a shell and tube heat exchanger is maximum for __________ baffle.

Disk and ring
Independent of the type of
Segmental
Orifice

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Process Equipment and Plant Design
The main purpose of providing stepping on the trays is to

Facilitate handling of large flow rate of liquid
Decrease the pressure drop
Increase the residence time
Improve the flow condition

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