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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The discharge through a channel of circular section will be maximum when the depth of water is __________ the diameter of the circular channel.

0.34 times
0.67 times
0.81 times
0.95 times

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Hydraulics and Fluid Mechanics in ME
Metacentric height is the distance between the metacentre and

center of gravity
center of buoyancy
center of pressure
water surface

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Hydraulics and Fluid Mechanics in ME
One poise is equal to

100 N-s/m2
1 N-s/m2
0.1 N-s/m2
10 N-s/m2

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Hydraulics and Fluid Mechanics in ME
A one dimensional flow is one which

takes place in straight lines
is uniform flow
is steady uniform flow
involves zero transverse component of flow

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Hydraulics and Fluid Mechanics in ME
Any change in load is adjusted by adjusting following parameter on turbine

Absolute velocity
Net head
Flow
Blade velocity

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Hydraulics and Fluid Mechanics in ME
The speed of an imaginary turbine, identical with the given turbine, which will develop a unit power under a unit head, is known as

Specific speed
Unit speed
Normal speed
None of these

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