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Process Equipment and Plant Design

Process Equipment and Plant Design
Cooling water fouling factors vary in the range of 0.001 to 0.003

(W/m².°K)⁻¹
(kcal/hr. m. °C)⁻¹
(kcal/hr.m² .°C)⁻¹
(BTU/hr.ft² . °F)⁻¹

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Process Equipment and Plant Design
__________ dished head is the strongest of all.

Elliptical
Hemispherical
None of these
Torispherical

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

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

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Process Equipment and Plant Design
Shell side heat transfer co-efficient in case of square pitch as compared to the triangular pitch under similar condition of fluid flow and tube size is

Same
Twice
Less
More

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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

0.95
0.75
0.01
0.3

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Process Equipment and Plant Design
The equivalent diameter for fluid flow through a channel of constant non-circular cross section of area 'A' is given by (where, P = perimeter of the channel in contact with the fluid)

4 A/P
√A
A/P
4 P/A

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