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Process Equipment and Plant Design

Process Equipment and Plant Design
Baffle width is normally taken as __________ times the tank diameter.

0.45-0.6
0.1-0.12
0.2-0.45
0.4-0.5

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Process Equipment and Plant Design
Nominal size of a pipe is an indication of its __________ diameter.

Outer
Inner
Approximate
None of these

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Process Equipment and Plant Design
In the design of a paddle agitator, the ratio (paddle dia/tank dia) is normally taken as

0.5
0.25
0.1
0.8

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Process Equipment and Plant Design
Diameter of rivet hole (d, mm) and the plate thickness (t, mm) are related by Unwin's formula as

D = 1.1 t
D = 1.5 t
D = 1.6 √t
D = 3√t

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Process Equipment and Plant Design
Log mean temperature difference in case of multi-pass shell and tube heat exchanger is always

Both B & C
More than arithmetic mean value
More than geometric mean value
Less than arithmetic mean value

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Process Equipment and Plant Design
25 per cent cut segmental baffle means that the baffle

Height is 25% of the I.D. of the shell
Width is 25% of its height
Spacing is 75% of its height
Height is 75% of the I.D. of the shell

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