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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Water is _________ liquid.

Both A and B
None of these
An incompressible
A compressible

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Hydraulics and Fluid Mechanics in ME
Coefficient of discharge Cd is equal to (where Cc = Coefficient of contraction, Cv = Coefficient of velocity, and Cr = Coefficient of resistance)

Cc × Cv
Cc/Cr
Cv × Cr
Cc × Cr

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Hydraulics and Fluid Mechanics in ME
In an internal mouthpiece, if the jet after contraction does not touch the sides of the mouthpiece, then the mouthpiece is said to be

Running free
Partially running free
Running full
Partially running full

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Hydraulics and Fluid Mechanics in ME
For centrifugal pump impeller, the maximum value of the vane exit angle is

15° to 20°
10° to 15°
20° to 25°
25° to 30°

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Hydraulics and Fluid Mechanics in ME
The motion of air mass in a tornado is a

free vortex at center and forced vortex outside
forced vortex at center and free vortex outside
forced vortex motion
free vortex motion

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Hydraulics and Fluid Mechanics in ME
One horsepower is equal to

75 watts
735 watts
102 watts
550 watts

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