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Process Equipment and Plant Design

Process Equipment and Plant Design
Heat transfer co-efficient for a horizontal condenser as compared to a vertical condenser operating under similar conditions is

About 3 times
About 0.33 times
Less
Same

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Process Equipment and Plant Design
In case of a shell and tube heat exchanger, the minimum shell thickness for carbon steel (inclusive of corrosion allowance) depends on shell diameter and is in the range of __________ mm.

43962
43895
44058
44183

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Process Equipment and Plant Design
In a shell and tube heat exchanger, the overall heat transfer co-efficient is proportional to the tube side (volumetric flow rate)0.8. This is valid, only when the ratio of the tube side film resistance to the total resistance is almost equal to

1
20.8
2
∞

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Process Equipment and Plant Design
Which of the following factors determine the amount of entrainment in a distillation column?

Vapour velocity in the volume between the plates
Plate spacing
Depth of liquid above the bubble cap slots
All of these

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Process Equipment and Plant Design
An adequate clearance between the tray and the shell wall of a distillation column is provided to

Allow for thermal expansion and facilitate installation
Avoid back-trapping
Drain the liquid from the tray when the unit is not in operation
None of these

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Process Equipment and Plant Design
For a 25 mm hole drilled in plates to be rivetted, the shank diameter of the rivet should be __________ mm.

27
25
23
26

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