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Process Equipment and Plant Design

Process Equipment and Plant Design
In the agitators, the power required will be changed with the increase of diameter of agitator (D) as

D⁵
D²
D
D⁹

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Process Equipment and Plant Design
Baffle spacing is generally __________ the I.D. of the shell.

Not greater than
Both B and C
Not less than one fifth of
More than

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Process Equipment and Plant Design
Le/D for fully open gate valves would be

Both B and C
Much less (say 2% than that for fully open globe valves)
Around 7
Much more than that for fully open globe valves

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Process Equipment and Plant Design
Flanges are connected to pipes by

Brazing
Welding
Screwing
All of these

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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
5
50
7.5

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Process Equipment and Plant Design
Ratio of tube length to shell diameter for a shell and tube heat exchanger is

4 : 1 to 8 : 1 for liquid-liquid exchanger
8 : 1 to 12 : 1 for both liquid-liquid and gas-gas heat exchangers
< 4 : 1 for gas-gas exchangers
Both B & C

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