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Process Equipment and Plant Design

Process Equipment and Plant Design
Friction factor for turbulent flow in a new pipe is given by

f = 25/NRe
f = 0.22 NRe0.05
f = 0.04/NRe0.16
f = 16/NRe

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Process Equipment and Plant Design
With increase in pressure drop (for a given particle size), the dust collection efficiency of a cyclone separator will

Increase
Remain unaffected
Decrease
Increase or decrease depending on the nature of the dust

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Process Equipment and Plant Design
In inclined long tube vertical evaporators, the tubes are inclined at an angle of

90°
45°
60°
15°

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Process Equipment and Plant Design
The operating pressure drop range in a bag filter is about __________ mm water gauge.

1500-2500
50-150
500-1500
43961

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Process Equipment and Plant Design
Reflux ratio variation in a distillation column is between

None of these
Zero and infinity
Minimum and infinity
Zero and one

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Process Equipment and Plant Design
A shell may by termed as thin if its thickness to diameter ratio is less than 0.1. The factor which can be neglected in the calculation of membrane stresses is

Deformation
Shear
Elongation
Bending

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