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Process Equipment and Plant Design

Process Equipment and Plant Design
The absorption factor is defined as (where, S₁ = slope of the equilibrium curve, S₂ = slope of the operating line)

1/S₁.S₂
S₁.S₂
S₂/S₁
S₁/S₂

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Process Equipment and Plant Design
for couplings and unions would be

350
60
Negligible
200

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Process Equipment and Plant Design
Maximum allowable vapour velocity in a bubble cap tower is determined by the

None of these
Diameter of the column
Entrainment considerations
Vapour density

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Process Equipment and Plant Design
The ratio of tube length to shell diameter in case of liquid shell and tube heat exchanger ranges from

3 to 5
6 to 12
2 to 3
4 to 8

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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
Outside diameter
Inside diameter
Wall thickness

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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
2
20.8
∞

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