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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
When a cylindrical vessel containing liquid is resolved, the surface of the liquid takes the shape of

A triangle
A paraboloid
An ellipse
None 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 motion
Newton's law of resistance
Newton's law of cooling
Newton's law of viscosity

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Hydraulics and Fluid Mechanics in ME
The depth of the bucket for a Pelton wheel is generally _________ the diameter of jet.

Double
1.8 times
Equal to
1.2 times

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Hydraulics and Fluid Mechanics in ME
Puck up the wrong statement about centrifugal pump

Head a diameter
Head a speed²
Power a speed⁴
Discharge a diameter

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Hydraulics and Fluid Mechanics in ME
The units of kinematic viscosity are

newton-sec per meter
kg sec/meter
metres² per sec
newton-sec per meter

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Hydraulics and Fluid Mechanics in ME
The optimum value of vane exit angle for a centrifugal pump impeller is

30-40°
20-25°
50-60°
10-15°

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