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Chemical Engineering - Fluid Mechanics

Exercise : Fluid Mechanics - Section 15
36.
The Mach number for hypersonic flow of compressible fluid is
1
> 1
> 4
< 2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
Boundary layer thickness in turbulent flow over a flat plate increases as(where, d = distance from the leading edge.)
d
d2/3
d4/5
d1/3
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
Mass velocity in case of steady flow and through a constant cross-section conduit is independent of the
temperature
pressure
both (a) & (b)
neither (a) nor (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
The valve used for very remote and accurate control of fluid is a __________ valve.
needle
globe
gate
butterfly
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
f = 16/NRe, is valid for
turbulent flow
laminar flow through an open channel
steady flow
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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