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Chemical Engineering - Fluid Mechanics

Exercise : Fluid Mechanics - Section 12
41.
Hydraulic mean radius for flow through packed bed of spherical particle of size, 'Dp, with porosity 'ε' is
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
Pick out the wrong statement about a streamline.
It is always parallel to the main direction of the fluid flow.
It is a line across which there is no flow and it is equivalent to a rigid boundary.
Streamlines intersect at isolated point of zero velocity and infintie velocity.
The fluid lying between any two streamlines can be considered to be in isolation and the streamline spacing varies inversely as the velocity.
Answer: Option
Explanation:
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43.
The most serious disadvantage of an orificemeter is that
it is not very accurate.
it is very costly.
most of the pressure drop is not recoverable.
it is not suitable for measuring gas flow.
Answer: Option
Explanation:
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44.
The discharge through a rectangular weir varies as
H1/2
H5/2
H2/5
H3/2
Answer: Option
Explanation:
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45.
In case of supersonic flow of a fluid through pipeline, the 'Mach number' is
0
1
< 1
> 1
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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