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Chemical Engineering - Fluid Mechanics

Exercise : Fluid Mechanics - Section 8
46.
Vena-contracta formed during flow of a liquid through an orificemeter has
minimum liquid cross-section.
more diameter compared to orifice diameter.
minimum velocity of fluid stream.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
Pick out the Blake-Plummer equation (valid for large NRe) for fluid flow through beds of solids.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
As per Newton's law of viscosity, the shear stress for a given rate of angular deformation of fluid is proportional to(where, μ = fluid viscosity)
1/μ
μ
μ2
1/μ2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
Horsepower increase of a centrifugal gas compressor without altering the volumetric flow rate will __________ the gas discharge pressure.
increase
decrease
not change
exponentially decrease
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
In continuous fluidisation
solids are completely entrained.
the pressure drop is less than that for batch fluidisation.
there is no entrainment of solids.
velocity of the fluid is very small.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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