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Chemical Engineering - Fluid Mechanics

Exercise : Fluid Mechanics - Section 10
6.
Power required by a centrifugal pump is proportional to (where, D = diameter, N = r.p.m)
N2D3
ND2
N2D
N3D5
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
Equivalent length of a pipe fitting is
dependent on Reynolds number.
independent of Reynolds number.
dependent on the length of the pipe.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Buckingham-π theorem states that in any physical problem including 'n' quantities having 'm' diamensions, the quantities can be arranged into __________ independent dimensionless parameters.
m
n
n-m
n/m
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
A fluid which has a linear relationship between the magnitude of applied shear-stress and the resulting rate of deformation is called a/an __________ fluid.
Newtonion
Non-Newtonion
ideal
incompressible
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
Existence of boundary layer in fluid flow is because of the
surface tension
fluid density
fluid viscosity
gravity forces
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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