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Process Equipment and Plant Design

Process Equipment and Plant Design
A binary liquid azeotropic mixture has boiling point lower than either of the components, when it shows __________ deviation from Raoult's Law.

No
None of these
Positive
Negative

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Process Equipment and Plant Design
In a multipass shell and tube heat exchanger, the problem of differential expansion between the shell and tube passes is taken care of by using a

U-bend
Either A or B
Neither A nor B
Floating head tube sheet

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Process Equipment and Plant Design
Poisson's ratio of a material is the ratio of unit lateral strain to the unit axial elongation within its elastic limit. The value of Poisson's ratio for structural and pressure vessel steel may be taken as

0.01
0.3
0.95
0.75

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Process Equipment and Plant Design
Baffles may be eliminated for

Large diameter tanks
None of these
Low viscosity liquids (< 200 poise)
High viscosity liquids (> 600 poise)

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Process Equipment and Plant Design
A claming section before the liquid flows into the downcomer is privided to

Ensure better vapour-liquid contact
Permit release of entrained vapour in the liquid
Cool the liquid before it flows down
Reduce the discharge fluctuation

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Process Equipment and Plant Design
Optimum economic pipe diameter for fluid flow is determined by the

Density of the fluid
None of these
Viscosity of the fluid
Total cost considerations (pumping cost plus fixed cost of the pipe)

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