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Hydraulics and Fluid Mechanics in ME

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

None of these
0.25
0.5
1

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Hydraulics and Fluid Mechanics in ME
According to Darcy's formula, the loss of head due to friction in the pipe is (where f = Darcy's coefficient, l = Length of pipe, v = Velocity of liquid in pipe, and d = Diameter of pipe)

flv²/gd
4flv²/2gd
flv²/2gd
3flv²/2gd

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Hydraulics and Fluid Mechanics in ME
When the Mach number is between ___ the flow is called super-sonic flow.

2.5 and 4
1 and 2.5
1 and 6
4 and 6

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Hydraulics and Fluid Mechanics in ME
Dimensions of surface tension are

ML°T⁻²
ML°T
ML r²
ML²T²

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Hydraulics and Fluid Mechanics in ME
Equation of continuity is based on the principle of conservation of

momentum
energy
None of these
mass

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Hydraulics and Fluid Mechanics in ME
Unit of surface tension is

Both of the above
Energy/unit area
It has no units
Velocity/unit area

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