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Process Equipment and Plant Design

Process Equipment and Plant Design
Flanges are connected to pipes by

Screwing
All of these
Welding
Brazing

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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
300 and 500
180 and 300
45 and 75

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Process Equipment and Plant Design
The value of fouling factor depends upon the

Characteristic of process fluid
Suspended solids in the fluid
Velocity of process fluid containing suspended solids
All of these

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Process Equipment and Plant Design
Hoop (circumferential) stress induced in a thin walled 'Horton Sphere' used for the storage of liquid ammonia under pressure is

pD/4t
pD/2t
pD/6t
pD/3t

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Process Equipment and Plant Design
What is the value of 'q' for saturated liquid feed to a distillation column?

1
>1

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Process Equipment and Plant Design
In case of saddle packing (e.g., berl and intralox saddles), the maximum size of the packing should not exceed __________ of the column diameter.

l/15th
l/50th
l/5th
l/30th

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