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Process Equipment and Plant Design

Process Equipment and Plant Design
The ratio of volumes of the mixed reactor to the plug flow reactor (for identical feed composition, flow rate, conversion, and for all positive reaction orders) is always

>1
< 1
Equal to the order of reaction
1

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Process Equipment and Plant Design
A pipe is generally made of circular cross-section, because a circular cross-section has the

None of these
Lowest surface area requirement for a given volume
Both A & B
Higher structural strength

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

60°
15°
45°
90°

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

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Process Equipment and Plant Design
Width and depth of grooves in the tube sheet holes normally are __________ inch respectively.

1/2 and 5
1/8 and 1/64
1/2 and 8
1/64 and 1/8

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Process Equipment and Plant Design
Poisson's ratio of a material is the ratio of unit lateral strain to the unit axial elongation within its elastic limit. The value of Poisson's ratio for structural and pressure vessel steel may be taken as

0.3
0.75
0.95
0.01

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