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Process Equipment and Plant Design

Process Equipment and Plant Design
The testing pressure of storage tanks and pressure vessels designed as per Indian standard codes should be about __________ times.the design pressure.

4 to 5
1.5 to 2
>5
3 to 4

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Process Equipment and Plant Design
The dust collection efficiency of a cyclone separator

Is directly proportional to the radius of the dust particle path
Is inversely proportional to the mass of the dust particle
Decreases with increase in gas flow rate
None of these

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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
A shell may by termed as thin if its thickness to diameter ratio is less than 0.1. The factor which can be neglected in the calculation of membrane stresses is

Shear
Elongation
Deformation
Bending

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Process Equipment and Plant Design
In a multiple effect evaporator system having 'n' effects, the amount of water evaporated per unit surface area in approximately equal to __________ times that in a single effect.

1.5 nth
nth
0.5 nth
(1/n)th

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Process Equipment and Plant Design
Shell side heat transfer co-efficient in case of square pitch as compared to the triangular pitch under similar condition of fluid flow and tube size is

Same
Less
More
Twice

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