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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
A flow whose streamline is represented by a curve, is called

Four-dimensional flow
One-dimensional flow
Two-dimensional flow
Three-dimensional flow

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Hydraulics and Fluid Mechanics in ME
The depth of the centre of pressure on a vertical rectangular gate 8 m wide and 6 m high, when the water surface coincides with the top of the gate, is

3.0 m
2.4 m
4.0 m
5.0 m

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Hydraulics and Fluid Mechanics in ME
The continuity equation is connected with

Compressibility of fluids
Open channel/pipe flow
Conservation of mass
Steady/unsteady flow

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Hydraulics and Fluid Mechanics in ME
A centrifugal pump will start delivering liquid only when the pressure rise in the impeller is equal to the

Kinetic head
Velocity head
Manometric head
Static head

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Hydraulics and Fluid Mechanics in ME
The correct relationship among displacement thickness d, momentum thickness m and energy thickness e is

e > d > m
d > m > e
e > m > d
d > e > m

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

center of buoyancy
water surface
center of gravity
center of pressure

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