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Process Equipment and Plant Design

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

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

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Process Equipment and Plant Design
Flanges are connected to pipes by

All of these
Screwing
Brazing
Welding

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Process Equipment and Plant Design
For turbine agitator, the impeller diameter is about

0.1 to 0.2 d
0.95 d
0.65 to 0.85 d
0.3 to 0.5 d

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Process Equipment and Plant Design
In a shell and tube heat exchanger, tube side __________ of the mass velocity.

Pressure drop is proportional to the square
Heat transfer co-efficient is proportional to 0.8th power
Neither A nor B
Both A & B

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Process Equipment and Plant Design
The operating pressure drop range in a bag filter is about __________ mm water gauge.

500-1500
50-150
1500-2500
43961

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Process Equipment and Plant Design
Back-trapping in a distillation column results due to

Excessive liquid gradient over the tray
High gas velocity
Low reflux ratio
Low gas velocity

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