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Process Equipment and Plant Design

Process Equipment and Plant Design
For pipe flows, head is proportional to __________ at constant capacity (where D = pipe diameter ).

1/D
1/D²
D²
1/D⁵

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Process Equipment and Plant Design
The minimum tray spacing in distillation column of diameter less than 3 ft is normally __________ inches.

24
34
18
6

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Process Equipment and Plant Design
Tubes are fixed to the tube sheet (a thick circular metallic plate) by the method of tube rolling and brazing (non-removable) or ferrule connection (removable). Thickness of the tube, sheet is normally __________ the outside diameter of the tube but in no case it should be less than 22 mm (7/8").

Three fourth
Half
Equal to
1.5 times

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Process Equipment and Plant Design
In case of bubble cap distillation column of diameter greater than 1.2 metres, the cap diameter is roughly about __________ cms.

35
30
20
10

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Process Equipment and Plant Design
The LMTD correction factor (FT) is applied in __________ heat exchangers.

All of these
Double pipe
All multipass
1-1 cocurrent

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Process Equipment and Plant Design
In packed towers provided with saddle packing, liquid redistributors are positioned at every __________ times column diameter or 6 metres whichever is less.

44119
43959
20-25
43864

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