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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The ratio of the inertia force to the elastic force is called

Weber's number
Froude's number
Mach number
Reynold's number

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Hydraulics and Fluid Mechanics in ME
The major loss of energy in long pipes is due to

sudden enlargement
gradual contraction or enlargement
sudden contraction
friction

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Hydraulics and Fluid Mechanics in ME
An error of 1% in measuring head over the apex of the notch (H) will produce an error of _________ in discharge over a triangular notch.

0.01
0.02
0.015
0.025

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Hydraulics and Fluid Mechanics in ME
The maximum number of jets generally employed in impulse turbine without jet interference is

6
12
4
8

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Hydraulics and Fluid Mechanics in ME
A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall acts at a distance __________ from the liquid surface.

2H/3
H/3
3H/4
H/2

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Hydraulics and Fluid Mechanics in ME
A structure used to dam up a stream or river over which the water flows is called

Weir
Orifice
Notch
Dam

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