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Chemical Engineering - Fluid Mechanics

Exercise : Fluid Mechanics - Section 11
1.
Forces acting on a particle settling in fluid are __________ forces.
gravitational & buoyant.
centrifugal & drag.
gravitational or centrifugal buoyant drag.
external, drag & viscous.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
For a fluid rotating at constant angular velocity about vertical axis as a rigid body, the pressure intensity varies as the
square of the radial distance.
radial distance linearly.
inverse of the radial distance.
elevation along vertical direction.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
In a dry packed bed, the pressure drop will be changed by increasing the flow rate as
V1.8
V-0.8
V
V-1
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
Specific speed of a centrifugal pump depends upon the __________ head.
suction
delivery
manometric
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
Navier-Stokes equation is useful in the analysis of __________ fluid flow problems.
non-viscous
viscous
turbulent
rotational
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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