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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
For manometer, a better liquid combination is one having

higher surface tension
surface tension is no criterion
high density and viscosity
lower surface tension

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Hydraulics and Fluid Mechanics in ME
The loss of head at exit of a pipe is (where v = Velocity of liquid in the pipe)

v²/2g
0.5v²/2g
0.75v²/2g
0.375v²/2g

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Hydraulics and Fluid Mechanics in ME
High specific speed of turbine implies it is

Impulse turbine
None of the listed here
Francis turbine
Propeller turbine

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Hydraulics and Fluid Mechanics in ME
The depth of center of pressure of an immersed surface, inclined at an angle 'θ' with the liquid surface lies at a distance equal to __________ the center of gravity.

IG sinθ/Ax̅ above
IG sin²θ/Ax̅ below
IG sin²θ/Ax̅ above
IG sinθ/Ax̅ below

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Hydraulics and Fluid Mechanics in ME
The flow in which the particles of a fluid attain such velocities that vary from point to point in magnitude and direction as well as from instant to instant, is known as

uniform flow
steady flow
turbulent flow
one dimensional flow

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Hydraulics and Fluid Mechanics in ME
A hydraulic accumulator normally consists of

A cylinder, a piston, storage tank and control valve
Two coaxial rams and two cylinders
Two cylinders, two rams and a storage device
A cylinder and a ram

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