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Process Equipment and Plant Design

Process Equipment and Plant Design
__________ heat exchanger is also known as 'hair pin type' exchanger,

Plate type
Regenerative
Double pipe
Finned

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Process Equipment and Plant Design
In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube)

4P²/πd
Πd/4P²
4(P² - πd²/4)/πd
(P² - πd²/4)/πd

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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
Bending
Deformation

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

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

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Process Equipment and Plant Design
In a shell and tube heat exchanger, the 'tube pitch' is defined as the

O.D. of the tube for square pitch
Shortest distance between two adj acent tube holes
Shortest centre to centre distance between adjacent tubes
None of these

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Process Equipment and Plant Design
Longitundinal stress induced in a thin walled cylindrical storage vessel is

PD/3t
PD/6t
PD/4t
PD/2t

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