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Process Equipment and Plant Design

Process Equipment and Plant Design
Pressure drop (Δp) and the superficial gas mass velocity (G) in case of packed absorption tower operating in the preloading range are related as

Δp = G
Δp = G2
Δp = 1/G0.6
Δp = G0.5

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Process Equipment and Plant Design
Normal screwed fittings are used for pipes upto a diameter of __________ inches.

1.5
7
5
3

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Process Equipment and Plant Design
In perforated plate towers, the

Hole sizes may be around 1/8" or 3/16"
Pressure drop is less compared is similar bubble cap towers
Total hole area may be around 6 to 15% of tower cross-sectional area
All of these

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Process Equipment and Plant Design
The units of Young's modulus of elasticity and __________ are the same.

Modular ratio
None of these
Strain
Stress

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Process Equipment and Plant Design
In a __________ rivetted joint, the rivets in the various rows are opposite to each other.

Diamond
Zig-zag
Chain
None 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

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

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