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Process Equipment and Plant Design

Process Equipment and Plant Design
Le/D for fully open globe value may be around

75
10
25
300

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Process Equipment and Plant Design
For annular flow of a fluid, the ratio of the equivalent diameter for pressure drop calculation to the equivalent diameter for heat transfer calculation is

D2/(d1 + d2)
D1/(d1 + d2)
(d1 + d2)/d1
(d1 + d2)/d2

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Process Equipment and Plant Design
In hydrostatic testing of welded pipe (for leakage, strength etc.) the ratio of minimum hydrostatic test pressure to internal design pressure is around

2.5
0.5
1.5
3.5

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Process Equipment and Plant Design
Value of Peclet number = ∞, is the representative of

Laminar flow
Eddy diffusivity = 0
Complete back mixing
Plug flow

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Process Equipment and Plant Design
Typical static submergence for bubble cap plate column operating at atmospheric pressure may be around

2.5"
50% of the plate spacing
5"
0.5"

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Process Equipment and Plant Design
The thickness of heat transfer plates used in the plate type heat exchanger ranges from __________ mm, pressed in a single piece provided with grooves & corrugations.

3.5 to 7.0
0.3 to 0.8
1.25 to 3.125
44055

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