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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
A pipe of length more than double the diameter of orifice fitted externally or internally to the orifice is called a

Mouthpiece
Weir
Nozzle
Notch

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Hydraulics and Fluid Mechanics in ME
Stream lines and path lines always coincide in case of

uniform flow
laminar flow
turbulent flow
steady flow

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Hydraulics and Fluid Mechanics in ME
Which of the following meters is not associated with viscosity

Engler
Orsat
Red wood
Say bolt

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Hydraulics and Fluid Mechanics in ME
The loss of head at exit of a pipe is (where v = Velocity of liquid in the pipe)

v²/2g
0.375v²/2g
0.75v²/2g
0.5v²/2g

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Hydraulics and Fluid Mechanics in ME
The maximum discharge over a broad crested weir is

1.71 Cd × L × H1/2
1.71 Cd × L × H3/2
0.384 Cd × L × H1/2
0.384 Cd × L × H3/2

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Hydraulics and Fluid Mechanics in ME
The mass of 2.5 m3 of a certain liquid is 2 tonnes. Its mass density is

600 kg/m3
800 kg/m3
200 kg/m3
400 kg/m3

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