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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

Submerged weir
Ogee weir
Broad-crested weir
Narrow-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?

Gear pump
Screw pump
Plunger pump
Cam and piston pump

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Hydraulics and Fluid Mechanics in ME
The ratio of the inertia force to the elastic force is called

Mach number
Weber's number
Reynold's number
Froude's number

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Hydraulics and Fluid Mechanics in ME
According to equation of continuity,

w1a1 = w2a2
w1v1 = w2v2
a1v1 = a2v2
a1/v1 = a2/v2

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Hydraulics and Fluid Mechanics in ME
The discharge through a channel of rectangular section will be maximum, if

Its depth is twice the breadth
Its breadth is twice the depth
Its breadth is thrice the depth
Its depth is thrice the breadth

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Hydraulics and Fluid Mechanics in ME
When a tube of smaller diameter is dipped in water, the water rises in the tube with an upward __________ surface.

None of these
Plane
Concave
Convex

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