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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The power transmitted through a pipe is (where w = Specific weight in N/m3, and Q = Discharge in m3/s)

w × Q × H
w × Q (H + hf)
w × Q (H - hf)
w × Q × hf

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Hydraulics and Fluid Mechanics in ME
The kinematic viscosity of an oil (in stokes) whose specific gravity is 0.95 and viscosity 0.011 poise, is

0.0611 stoke
0.0116 stoke
0.116 stoke
0.611 stoke

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Hydraulics and Fluid Mechanics in ME
The pressure measured with the help of a Piezometer tube is in

N/m2
All of these
N/mm2
Head of liquid

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Hydraulics and Fluid Mechanics in ME
When a tube of smaller diameter is dipped in water, the water rises in the tube with an upward __________ surface.

Convex
Concave
None of these
Plane

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Hydraulics and Fluid Mechanics in ME
The angle of taper on draft tube is

Less than 8°
Greater than 15°
Greater than 8°
Greater than 5°

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Hydraulics and Fluid Mechanics in ME
A jet of water is striking at the centre of a curved vane moving with a uniform velocity in the direction of jet. For the maximum efficiency, the vane velocity is ________ of the jet velocity

Two-third
Three-fourth
One-third
One-half

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