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Process Equipment and Plant Design

Process Equipment and Plant Design
Commercial packed scrubbers are normally designed for a pressure drop range of __________ mm water coloumn per metre of packed height.

52-68
43929
88-105
17-34

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Process Equipment and Plant Design
In case of a shell and tube heat exchanger, the effect of L/D on inside film heat transfer co-efficient (hi) vanishes after a Reynold number of

5000
10000
3000
1000

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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
1500-2500
50-150
43961

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Process Equipment and Plant Design
In condenser, the cooling water is passed in the tube side in a pass arrangement, because

It makes condenser compact
It reduces heat transfer area
More thinner tubes can be used
Pressure drop is reduced

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Process Equipment and Plant Design
A cylindrical storage tank can have a self supported conical roof,

If its diameter is less than 15-20metres
Irrespective of its diameter
If its diameter is more than 50 meters
If the thickness of the roof is more than that of the cylindrical shell

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Process Equipment and Plant Design
The thermal stress in a metallic bar does not depend upon the

Both A & B
Neither A nor B
Changes in temperature
Cross-sectional area

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