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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The discharge through a siphon spillway is

Cd × a × √(2g) × H3/2
Cd × a × √(2gH)
Cd × a × √(2g) × H2
Cd × a × √(2g) × H5/2

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Hydraulics and Fluid Mechanics in ME
The pressure at a point in a fluid will not be same in all the directions when the fluid is

viscous
moving
viscous and moving.
inviscous and moving

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Hydraulics and Fluid Mechanics in ME
If the depth of water in an open channel is less than the critical depth, the flow is called

Critical flow
Turbulent flow
Torrential flow
Tranquil flow

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Hydraulics and Fluid Mechanics in ME
The hydraulic mean depth for a circular pipe of diameter (d) is

d
d/2
d/6
d/4

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Hydraulics and Fluid Mechanics in ME
Power required to drive a centrifugal pump is directly proportional to _________ of its impeller.

Diameter
Cube of diameter
Fourth power of diameter
Square of diameter

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Hydraulics and Fluid Mechanics in ME
In centrifugal pumps, maximum efficiency is obtained when the blades are

Radial
Bent backward
Bent forward
Straight

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