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Process Equipment and Plant Design

Process Equipment and Plant Design
Height of the flights in the rotary drier is in the range of

0.2 to 0.5 d
0.02 to 0.05 d
0.5 to 0.6 d
0.08 to 0.12 d

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Process Equipment and Plant Design
The normal range of velocity of steam in pipes is __________ m/sec.

10-20
0.1-0.5
80-100
1-5

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Process Equipment and Plant Design
The thickness of segmental baffles (25 -35% cut truncated plates usually) is generally __________ the tube wall thickness.

Four times
Equal to
Twice
Half

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Process Equipment and Plant Design
The wall thickness of thin cylindrical shell with hemispherical ends is __________ that of the spherical ends.

More than
Either B or C; depends on maximum permissible internal pressure
Equal to
Less than

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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

0.75
0.95
0.01
0.3

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Process Equipment and Plant Design
Pressure drop (Δp) and the superficial gas mass velocity (G) in case of packed absorption tower operating in the preloading range are related as

Δp = G
Δp = G0.5
Δp = 1/G0.6
Δp = G2

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