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Chemical Engineering - Fluid Mechanics

Exercise : Fluid Mechanics - Section 9
46.
The head loss in turbulent flow in pipe is proportional to(where, V = velocity of fluid through the pipe)
V2
1/V2
1/V
V
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
Unsteady non-uniform flow is represented by flow through a/an
long pipe at constant rate.
long pipe at decreasing rate.
expanding tube at increasing rate.
expanding tube at constant rate.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
Prandtl number is a measure of the
heat conduction to viscosity of a fluid.
Cp/Cv of a fluid.
elastic force to pressure force in the fluid flow.
inertial force to elastic force in the fluid flow.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
A centrifugal pump has the following specifications:
Power = 4 H.P.; Speed = 800 rpm
Head = 8 metres
Flow = 1000 litres/minutes.
If its speed is halved, then the new head will be __________ metres.
2
4
8
5.5
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
In hindered settling, the particles are
placed farther from the wall.
not affected by other particles and the wall.
near each other,
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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