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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Metacentric height is the distance between the metacentre and

center of pressure
center of buoyancy
center of gravity
water surface

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

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Hydraulics and Fluid Mechanics in ME
When the flow in an open channel is gradually varied, the flow is said to be

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

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Hydraulics and Fluid Mechanics in ME
The flow of water through the hole in the bottom of a wash basin is an example of

Free vortex
Forced vortex
Uniform flow
Steady flow

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Hydraulics and Fluid Mechanics in ME
One horsepower is equal to

735 watts
75 watts
550 watts
102 watts

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Hydraulics and Fluid Mechanics in ME
When the pressure intensity at a point is more than the local atmospheric pressure, then the difference of these two pressures is called

Vacuum pressure
Absolute pressure
Gauge pressure
Positive gauge pressure

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