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Process Equipment and Plant Design

Process Equipment and Plant Design
Generally, no corrosion allowance in wall thickness of a part is required, if the thickness is more than __________ mm.

5
10
30
20

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Process Equipment and Plant Design
The equivalent diameter for fluid flow through a channel of constant non-circular cross section of area 'A' is given by (where, P = perimeter of the channel in contact with the fluid)

A/P
4 A/P
4 P/A
√A

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Process Equipment and Plant Design
For turbine agitator, the impeller diameter is about

0.3 to 0.5 d
0.1 to 0.2 d
0.65 to 0.85 d
0.95 d

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Process Equipment and Plant Design
The operating pressure drop range in a bag filter is about __________ mm water gauge.

500-1500
43961
50-150
1500-2500

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Process Equipment and Plant Design
Smaller sized packings are generally dumped to the packed columns, and the large ones of size greater than __________ mm are stacked individually, which provides better control over bed porosity and offers lower gas pressure drop.

25
75
150
50

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Process Equipment and Plant Design
Welded joint efficiency in the design of chemical process equipment is taken as

0.85
0.95
0.55
0.75

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