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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
When a piping system is made up primarily of friction head and very little of vertical lift, then pump characteristics should be

Horizontal
Steep
Nearly horizontal
First rise and then fall

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Hydraulics and Fluid Mechanics in ME
When an internal mouthpiece is running free, the discharge through the mouthpiece is (where a = Area of mouthpiece, and H = Height of liquid above the mouthpiece)

0.855 a. √2gH
√2gH
0.5 a. √2gH
0.707 a. √2gH

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Hydraulics and Fluid Mechanics in ME
The force present in a moving liquid is

Gravity force
Inertia force
Viscous force
All of these

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Hydraulics and Fluid Mechanics in ME
The force exerted by a moving fluid on an immersed body is directly proportional to the rate of change of momentum due to the presence of the body. This statement is called

Newton's law of viscosity
Newton's law of resistance
Newton's law of cooling
Newton's law of motion

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Hydraulics and Fluid Mechanics in ME
The fluid forces considered in the Navier Stokes equation are

gravity, pressure and turbulent
pressure, viscous and turbulent
gravity, viscous and turbulent
gravity, pressure and viscous

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Hydraulics and Fluid Mechanics in ME
Which of the following is the unit of kinematic viscosity

faraday
pascal
poise
stoke

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