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Fluid Mechanics

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

Centrifugal
Axial flow
None of these
Mixed flow

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Fluid Mechanics
In case of turbulent flow of a Newtonion fluid in a straight pipe, the maximum velocity is equal to (where, Vavg = average fluid velocity)

1.8 Vavg
Vavg
1.5 Vavg
1.2 Vavg

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Fluid Mechanics
Unsteady uniform flow is represented by flow through a/an

Long pipe at decreasing rate
Long pipe at constant rate
Expanding tube at constant rate
Expanding tube at increasing rate

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Fluid Mechanics
In power law, ζ = A (du/dy)² + B , then the fluid is

Thixotropic
Newtonian
Rheopectic
Dilatant

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Fluid Mechanics
The terminal velocity of a solid spherical particle falling through a stationary fluid mass in the Stoke's law range is proportional to the

Square of particle size
Difference in the densities of the particle & fluid
Inverse of fluid viscosity
All of these

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Fluid Mechanics
Water flow rate in a pipe of 3.5 metres diameter can be most economically and conveniently measured by a/an

Venturimeter
Orificemeter
Rotameter
Pitot tube

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