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Process Equipment and Plant Design

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

0.8
0.25
0.5
0.1

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Process Equipment and Plant Design
In a shell and tube heat exchanger having triangular pitch, the shell side equivalent diameter is given by

4(0.86p² - πd²)/πd
(4p² - πd²/4)/πd
4(0.86p² - πd²/4)/πd
(p² - πd²/4)/πd

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Process Equipment and Plant Design
Normally, the length to diameter ratio of rotary dryers varies form 4 to 10 and for its economic operation, the number of transfer units (NTU) for such dryers varies from

44119
1.5-2.5
3.5-5.5
7.5-10.0

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Process Equipment and Plant Design
The ideal size of round bubble caps to be used in industrial distillation column having a diameter of 3-6 metres is __________ cms.

15
7.5
50
5

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Process Equipment and Plant Design
Speed of industrial paddle agitator ranges from __________ rpm.

1 to 5
500 to 750
1000 to 2000
20 to 100

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Process Equipment and Plant Design
Wall thickness of schedule 40 pipe as compared to that of schedule 80 pipe is

Cither A or B; depends upon the I.D. of the pipe
More
Same
Less

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