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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
If the coefficient of discharge is 0.6, then the discharge over a right angled notch is

4.171 H5/2
1.417 H5/2
0.417 H5/2
7.141 H5/2

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Hydraulics and Fluid Mechanics in ME
Which of the following turbine is preferred for 0 to 25 m head of water?

Pelton wheel
Francis turbine
Kaplan turbine
None of these

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Hydraulics and Fluid Mechanics in ME
The centrifugal pump preferred for a specific speed between 80 to 160 r.p.m. is

High speed with radial flow at outlet
Slow speed with radial flow at outlet
High speed with mixed flow at outlet
Medium speed with radial flow at outlet

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Hydraulics and Fluid Mechanics in ME
Which type of the pump is different from others in the same group?

Plunger pump
Screw pump
Gear pump
Cam and piston pump

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Hydraulics and Fluid Mechanics in ME
A valve is suddenly closed in a water main in wl.ich the velocity is 1 m/sec and velocity of pressure wave is 981 m/ sec. The inertia head at the valve will be

10m
None of these
1 m
100m

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Hydraulics and Fluid Mechanics in ME
The property of a fluid which enables it to resist tensile stress is known as

compressibility
adhesion
cohesion
surface tension

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