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Process Equipment and Plant Design

Process Equipment and Plant Design
In inclined long tube vertical evaporators, the tubes are inclined at an angle of

45°
60°
90°
15°

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

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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.

5
50
7.5
15

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Process Equipment and Plant Design
In a shell and tube heat exchanger, the overall heat transfer co-efficient is proportional to the tube side (volumetric flow rate)0.8. This is valid, only when the ratio of the tube side film resistance to the total resistance is almost equal to

∞
1
20.8
2

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Process Equipment and Plant Design
Height of the flights in the rotary drier is in the range of

0.5 to 0.6 d
0.02 to 0.05 d
0.2 to 0.5 d
0.08 to 0.12 d

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Process Equipment and Plant Design
Vertical vessels are not supported by

Brackets
Columns
Saddles
Skirts

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