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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The buoyancy depends on

depth of immersion
pressure of the liquid displaced
mass of liquid displaced
viscosity of the liquid

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Hydraulics and Fluid Mechanics in ME
Liquids transmit pressure equally in all the directions. This is according to

Newton's formula
Archimedes principle
Boyle's law
Pascal's law

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Hydraulics and Fluid Mechanics in ME
The resultant upward pressure of the fluid on an immersed body due to its tendency to uplift the sub-merged body is called

metacentre
reaction
buoyancy
upthrust

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Hydraulics and Fluid Mechanics in ME
A valve is suddenly closed in a water main in wl.ich the velocity is 1 m/sec and velocity of pressure wave is 981 m/ sec. The inertia head at the valve will be

1 m
100m
10m
None of these

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Hydraulics and Fluid Mechanics in ME
The speed of sound in a ideal gas varies directly as its

density
modulus of elasticity
absolute temperature
temperature

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Hydraulics and Fluid Mechanics in ME
An internal mouthpiece is said to be running free if the length of the mouthpiece is __________ the diameter of the orifice.

Less than twice
More than twice
Less than three times
More than three times

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