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Process Equipment and Plant Design

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

15-30
0.1-0.5
1-2
10-50

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Process Equipment and Plant Design
The buckling tendency of compression members is always in the direction of the

None of these
Perpendicular to the axis of the load
Least radius of gyration
Axis of the load

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Process Equipment and Plant Design
With increase in gas flow rate to fabric surface area ratio (Nm³/hr/m² fabric surface area), the size & the cost of a bag filter

Decreases
None of these
Increases
Remain unaffected

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Process Equipment and Plant Design
Tube wall thickness depends on the cor-rosiveness of the fluids and their operating pressure & temperature and is specified by Birmingham wire gauge (B.W.G)-a number which varies from 8 to 18 with the numbers 14 and 16 being more commonly used. Outside diameter of tubes varies from about 15 to 50 mm; however a tube of less than __________ mm outside diameter is generally not recommended for fouling fluids.

19
28
16
38

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Process Equipment and Plant Design
Value of Peclet number = ∞, is the representative of

Laminar flow
Eddy diffusivity = 0
Plug flow
Complete back mixing

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Process Equipment and Plant Design
In the design of a bag filter, the gas temperature is an important consideration, as it affects the

Gas viscosity
All of these
Gas density
Fibre selection

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