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Process Equipment and Plant Design

Process Equipment and Plant Design
Le/D for 90° elbow (medium radius) and 90°square elbow would be respectively around

3 and 5
250 and 600
25 and 60
100 and 250

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Process Equipment and Plant Design
Le/D for a Tee (used as elbow, entering run) would be around

60
200
5
350

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Process Equipment and Plant Design
In case of plain carbon steel, butt welded joints are used for shell plate thickness ≤ __________ cms. .

0.5
1.2
3.8
6.8

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Process Equipment and Plant Design
Friction factor for turbulent flow in a new pipe is given by

f = 0.04/NRe0.16
f = 25/NRe
f = 16/NRe
f = 0.22 NRe0.05

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Process Equipment and Plant Design
__________ liquor is best handled in a long tube vertical evaporator.

Salting
Viscous
Foamy
Scaling

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Process Equipment and Plant Design
Joint efficiency (J) for a seamless pipe is

1
0.85
< 0.5
1.2

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