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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
When the water level on the downstream side of a weir is above the top surface of a weir, the weir is known as

Narrow-crested weir
Ogee weir
Submerged weir
Broad-crested weir

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Hydraulics and Fluid Mechanics in ME
Which type of the pump is different from others in the same group?

Cam and piston pump
Gear pump
Screw pump
Plunger pump

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Hydraulics and Fluid Mechanics in ME
A flow through an expanding tube at constant rate is called

Unsteady uniform flow
Unsteady non-uniform flow
Steady non-uniform flow
Steady uniform flow

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Hydraulics and Fluid Mechanics in ME
Cavitation is caused by

weak material
low pressure
high pressure
high velocity

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Hydraulics and Fluid Mechanics in ME
A metal with specific gravity of o floating in a fluid of same specific gravity a will

be fully immersed with top surface at fluid surface
float over fluid
partly immersed
sink to bottom

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Hydraulics and Fluid Mechanics in ME
The power transmitted through the nozzle is maximum when the head lost due to friction in the pipe is __________ of the total supply head.

One-half
None of these
Two-third
One-third

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