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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The pressure at a point 4 m below the free surface of water is

19.24 kPa
39.24 kPa
49.24 kPa
29.24 kPa

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Hydraulics and Fluid Mechanics in ME
If the dynamic viscosity of a fluid is 0.5 poise and specific gravity is 0.5, then the kinematic viscosity of that fluid in stokes is

0.25
1
None of these
0.5

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Hydraulics and Fluid Mechanics in ME
In series-pipe problems

a trial solution is not necessary
the head loss is same through each pipe
the discharge through each pipe is added to obtain total discharge
the discharge is same through each pipe

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

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

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Hydraulics and Fluid Mechanics in ME
The water pressure per metre length on a vertical masonry wall of dam is (where w = Specific weight of the liquid, and H = Height of the liquid)

wH2/2
wH
wH/2
wH2/4

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Hydraulics and Fluid Mechanics in ME
Bulk modulus of a fluid __________ as the pressure increases.

Decreases
Increases
None of these
Remain same

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