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Process Equipment and Plant Design

Process Equipment and Plant Design
Overall mass transfer co-efficient in case of absorption of __________ in water is based on the gas film co-efficient only, as the mass transfer process is gas film (phase) controlling.

NH₃
None of these
CO₂
SO₂

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Process Equipment and Plant Design
Where does the maximum tensile strength occur in a thick cylindrical vessel subjected to internal pressure?

None of these
At the inner surface
At the mid thickness of the cylindrical wall
At the outer surface

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Process Equipment and Plant Design
Cylindrical storage tanks used for the storage of volatile liquids (e.g., naphtha) have __________ roofs.

Flat
Floating
Conical
Fixed

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Process Equipment and Plant Design
25 per cent cut segmental baffle means that the baffle

Height is 75% of the I.D. of the shell
Spacing is 75% of its height
Width is 25% of its height
Height is 25% of the I.D. of the shell

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Process Equipment and Plant Design
Rotary driers are most economically designed for the number of heat transfer units (HTU) from

0.01 to 1
10 to 20
5 to 10
1.5 to 2.5

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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

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

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