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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
According to Bazin's formula, the discharge over a rectangular weir is mL2g x H3/2 where m is equal to

0.405 + (H/0.003)
0.003 + (H/0.405)
0.003 + (0.405/H)
0.405 + (0.003/H)

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Hydraulics and Fluid Mechanics in ME
The equation of continuity holds good when the flow

velocity is uniform at all the cross sec-tions
is one dimensional
All of these
is steady

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Hydraulics and Fluid Mechanics in ME
Medium specific speed of turbine implies it is

Impulse turbine
Any one of the above
Propeller turbine
Francis turbine

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Hydraulics and Fluid Mechanics in ME
The time oscillation of a floating body with increase in metacentric height will be

lower/higher depending on weight of body
higher
same
lower

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Hydraulics and Fluid Mechanics in ME
A valve is suddenly closed in a water main in wl.ich the velocity is 1 m/sec and velocity of pressure wave is 981 m/ sec. The inertia head at the valve will be

1 m
None of these
10m
100m

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Hydraulics and Fluid Mechanics in ME
An impulse turbine is used for

Medium head of water
High discharge
Low head of water
High head of water

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