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Process Equipment and Plant Design

Process Equipment and Plant Design
The maximum liquid gradient over a tray must not exceed

5"
0.5" -1.25"
Half the tray spacing
2"-3.5"

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Process Equipment and Plant Design
Hole diameter of the seive trays in the distillation column ranges from __________ mm.

12.5 to 18.5
3 to 12.5
4 to 8
L to 3

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Process Equipment and Plant Design
__________ head is the most economical for cylindrical vessels designed for operating at high pressure (> 15 atm.).

Hemispherical
Conical
Dished
Ellipsoidal

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Process Equipment and Plant Design
The ratio of the largest load in a test to the original cross-sectional area of the test specimen is called the __________ stress.

Ultimate
None of these
Yield point
Breaking

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Process Equipment and Plant Design
Most of the storage vessels/tanks are made cylindrical, because of the fact that a cylinder

Has greater structural strength
Neither A nor B
Is easy to fabricate
Both A & B

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Process Equipment and Plant Design
Normally, the length to diameter ratio of rotary dryers varies form 4 to 10 and for its economic operation, the number of transfer units (NTU) for such dryers varies from

3.5-5.5
1.5-2.5
7.5-10.0
44119

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