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Process Equipment and Plant Design

Process Equipment and Plant Design
The thickness of heat transfer plates used in the plate type heat exchanger ranges from __________ mm, pressed in a single piece provided with grooves & corrugations.

0.3 to 0.8
1.25 to 3.125
44055
3.5 to 7.0

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Process Equipment and Plant Design
__________ tray arrangement is recommended for distillation column having diameter upto 4 ft.

Cascade
Radial flow
Split flow
Cross flow

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Process Equipment and Plant Design
In most of the shell and tube heat exchangers, the tube pitch is generally __________ the tube diameter.

1.25-1.50 times
2.5 times
One-fourth of
Less than

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

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

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Process Equipment and Plant Design
In a heat exchanger, shell side fluid velocity can be changed by changing the tube

Layout
Both A & B
Pitch
Neither A nor B

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Process Equipment and Plant Design
Ratio of tube length to shell diameter for a shell and tube heat exchanger is

4 : 1 to 8 : 1 for liquid-liquid exchanger
Both B & C
8 : 1 to 12 : 1 for both liquid-liquid and gas-gas heat exchangers
< 4 : 1 for gas-gas exchangers

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