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Process Equipment and Plant Design

Process Equipment and Plant Design
In case of a shell and tube heat exchanger, the effect of L/D on inside film heat transfer co-efficient (hi) vanishes after a Reynold number of

1000
5000
10000
3000

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Process Equipment and Plant Design
For turbine agitator, the impeller diameter is about

0.95 d
0.3 to 0.5 d
0.65 to 0.85 d
0.1 to 0.2 d

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Process Equipment and Plant Design
The practical representative values of HETP for a number of commercial operations lies within a range of __________ metre.

0.4-0.9
1.2-1.5
0.2-0.5
0.1-0.2

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

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

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Process Equipment and Plant Design
In the allocated cap area, bubble caps are generally arranged on equilateral triangular pitch. Number of caps fixed on a plate is with a

Either A or B
Neither A nor B
Cap pitch of 1.3-2 times the cap diameter
Clearance of 25-75 mm

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Process Equipment and Plant Design
Which of the following material is seldom used for pressure vessel construction?

Rimmed still
Semi-killed steel
Mild steel
Killed steel

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