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Fluid Mechanics

Fluid Mechanics
High specific speed of a pump implies that, it is a/an __________ pump.

Axial flow
Mixed flow
None of these
Centrifugal

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Fluid Mechanics
The unit of velocity head is

ft-lbf/sec
ft-lbf/lb
ft-lb/ft³
ft-lb/sec

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Fluid Mechanics
What is the value of Fanning friction factor f ' for smooth pipe at NRe = 10⁶ approximately?

0.01
0.003
0.3
0.1

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Fluid Mechanics
Pressure drag does not depend upon the

Pressure of main flow only
Length of the body in flow direction
Roughness of surface of the body
All of these

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Fluid Mechanics
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)

μ²
1/μ
1/μ²
μ

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Fluid Mechanics
If the head over the triangular notch is doubled, the discharge will increase by __________ times.

2
4
2.828
5.657

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MORE MCQ ON Fluid Mechanics

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