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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
H1/2
H
H3/2

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Hydraulics & Fluid Mechanics
Flow of water in a pipe about 3 meters in diameter can be measured by

pitot tube
rotameter
venturi
orifice plate

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Hydraulics & Fluid Mechanics
THE THEORETICAL VALUE OF COEFFICIENT OF CONTRACTION OF A SHARP EDGED ORIFICE IS

0.95
1.01
0.611
0.86

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Hydraulics & Fluid Mechanics
The resultant of all normal pressures acts

vertically upwards
at center of pressure
at e.g. of body
at metacentre

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Hydraulics & Fluid Mechanics
Operation of McLeod gauge used for low pressure measurement is based on the principle of

Boyle’s law
Charle’s law
gas law
Pascal’s law

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Hydraulics & Fluid Mechanics
A large Roynold number is indication of

smooth and streamline flow
turbulent flow
highly turbulent flow.
LAMINAR FLOW

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