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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

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

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Hydraulics and Fluid Mechanics in ME
A flow is called sub-sonic, if the Mach number is

More than 6
Unity
Between 1 and 6
Less than unity

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Hydraulics and Fluid Mechanics in ME
A flow in which the volume of a fluid and its density does not change during the flow is called _________ flow.

Viscous
Incompressible
None of these
Compressible

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Hydraulics and Fluid Mechanics in ME
The discharge over the trapezoidal notch is equal to the discharge over the rectangular notch __________ the discharge over the triangular notch.

None of these
Plus
Minus
Divide

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Hydraulics and Fluid Mechanics in ME
The length of a liquid stream while flowing over a weir __________ at the ends of the sill.

Contracts
Does not change
Expands
None of these

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Hydraulics and Fluid Mechanics in ME
One liter of water occupies a volume of

500 cm3
1000 cm3
250 cm3
100 cm3

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