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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Poise is the unit of

capillarity
shear stress in fluids
surface tension
viscosity

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Hydraulics and Fluid Mechanics in ME
The discharge over a rectangular notch is

Inversely proportional to H5/2
Directly proportional to H3/2
Inversely proportional to H3/2
Directly proportional to H5/2

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Hydraulics and Fluid Mechanics in ME
A liquid would wet the solid, if adhesion forces as compared to cohesion forces are

less
less at low temperature and more at high temperature
more
equal

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Hydraulics and Fluid Mechanics in ME
For laminar flow in circular pipes, the Darcy’s friction factor f is equal to

64/ Re
None of these
32/ Re
16/Re

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Hydraulics and Fluid Mechanics in ME
Newton's law of viscosity is a relationship between

Rate of shear strain and temperature
Shear stress and velocity
Shear stress and rate of shear strain
Pressure, velocity and temperature

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Hydraulics and Fluid Mechanics in ME
The stability of a dam is checked for

All of these
Sliding of the wall or dam
Overturning of the wall or dam
Tension at the base

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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