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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Falling drops of water become spheres due to the property of

adhesion
surface tension
cohesion
viscosity

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Hydraulics and Fluid Mechanics in ME
The unit discharge through the turbine is

Q/H²
Q/√H
Q/H3/2
Q/H

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Hydraulics and Fluid Mechanics in ME
The rise of liquid along the walls of a revolving cylinder about the initial level is _________ the depression of the liquid at the axis of rotation.

None of these
Same as
More than
Less than

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Hydraulics and Fluid Mechanics in ME
A moving fluid mass may be brought to a static equilibrium position, by applying an imaginary inertia force of the same magnitude as that of the accelerating force but in the opposite direction. This statement is called

Archimedes’s principle
None of these
D-Alembert’s principle
Pascal’s law

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Hydraulics and Fluid Mechanics in ME
The viscosity of water at 20°C is

One stoke
One centistoke
One poise
One centipoise

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Hydraulics and Fluid Mechanics in ME
The force exerted by a jet of water (in a direction normal to flow) impinging on a fixed plate inclined at an angle θ with the jet is

(waV²/g) × sin θ
(waV/g) × sin θ
(waV²/2g) × sin 2θ
(waV/2g) × sin θ

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