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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
In a Sutro weir, the discharge is proportional to (where H is head)

H5/2
H
H3/2
H1/2

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Hydraulics & Fluid Mechanics
The flow which neglects changes in a transverse direction is known as

steady flow
turbulent flow
one dimensional flow
uniform flow

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Hydraulics & Fluid Mechanics
A fluid is said to be ideal, if it is

incompressible
inviscous
inviscous and incompressible
inviscous and compressible

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Hydraulics & Fluid Mechanics
Free surface of a liquid tends to contract to the smallest possible area due to force of

viscosity
friction
cohesion
surface tension

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Hydraulics & Fluid Mechanics
For a sphere of radius 15 cm moving with a uniform velocity of 2 m/sec through a liquid of specific gravity 0.9 and dynamic viscosity 0.8 poise, the Reynolds number will be

600
675
337.5
300

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Hydraulics & Fluid Mechanics
A perfect gas

is incompressible
has constant viscosity
is of theoretical interest
None of these

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