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Process Equipment and Plant Design

Process Equipment and Plant Design
For a 25 mm hole drilled in plates to be rivetted, the shank diameter of the rivet should be __________ mm.

27
25
23
26

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Process Equipment and Plant Design
Power required for agitation depends upon the

Size of agitator & the tank
Height & properties of the liquid
Agitator type & speed of agitation
All of these

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Process Equipment and Plant Design
What is the value of 'q' for saturated vapor feed to a distillation column ?(where q = fraction of the feed stream that is liquid.)

1
> 1

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Process Equipment and Plant Design
For high pressure process equipments/vessels, the connected nozzle should be

Brazed
Screwed
Flanged
Welded

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Process Equipment and Plant Design
Pressure drop due to pipe fittings can be estimated by the equation, ΔP/p = 4f.Le/D.V2/2gc, where, Le = equivalent length of straight pipeline which will incur the same frictional loss as the fitting and D = diameter of the fitting. The value of Le/D (dimensionless) for 45° elbow and 180° close return bends would be respectively around

5 and 10
45 and 75
180 and 300
300 and 500

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Process Equipment and Plant Design
The normal range of velocity of water in pipes is __________ m/sec.

10-50
0.1-0.5
15-30
1-2

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