Chemical Engineering - Fluid Mechanics

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.