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Process Equipment and Plant Design

Process Equipment and Plant Design
A minimum clearance of about __________ mm is maintained between the distillation column wall and the bubble cap.

95
19
76
38

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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?

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

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Process Equipment and Plant Design
For annular flow of a fluid, the ratio of the equivalent diameter for pressure drop calculation to the equivalent diameter for heat transfer calculation is

(d1 + d2)/d1
D2/(d1 + d2)
D1/(d1 + d2)
(d1 + d2)/d2

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Process Equipment and Plant Design
In hydrostatic testing of welded pipe (for leakage, strength etc.) the ratio of minimum hydrostatic test pressure to internal design pressure is around

2.5
1.5
0.5
3.5

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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.

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

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Process Equipment and Plant Design
In condenser, the cooling water is passed in the tube side in a pass arrangement, because

More thinner tubes can be used
Pressure drop is reduced
It reduces heat transfer area
It makes condenser compact

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