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Process Equipment and Plant Design

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.

44058
44183
43962
43895

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Process Equipment and Plant Design
Overall mass transfer co-efficient in case of absorption of __________ in water is based on the gas film co-efficient only, as the mass transfer process is gas film (phase) controlling.

None of these
NH₃
SO₂
CO₂

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Process Equipment and Plant Design
In a multipass shell and tube heat exchanger, the baffles on shell side is primarily provided for

Increasing pressure drop
Reducing scale deposition
Fixing the tubes
Creating turbulence

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

Neither A nor B
Circumferential
Both A & B
Radial

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Process Equipment and Plant Design
Optimum reflux ratio in a continuous distillation column is determined by the

Maximum permissible vapour velocity
Flooding limit of the column
Total cost consideration (fixed cost of the column plus the cooling water & steam cost)
None of these

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Process Equipment and Plant Design
Two iron pipes of the same nominal diameter but different schedule numbers will have the same

None of these
Wall thickness
Inside diameter
Outside diameter

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