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Hydraulics & Fluid Mechanics

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

venturi
orifice plate
rotameter
pitot tube

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Hydraulics & Fluid Mechanics
The region between the separation streamline and the boundary surface of the solid body is known as

boundary layer
wake
drag
lift

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

H1/2
H5/2
H
H3/2

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Hydraulics & Fluid Mechanics
Least possible value of correction factor for i) kinetic energy is zero ii) kinetic energy is 1 iii) momentum is zero iv) momentum is 1 The correct statements are

(ii) and (iv)
(ii) and (iii)
(i) and (iii)
(i) and (iv)

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Hydraulics & Fluid Mechanics
For a floating body to be in stable equilibrium, its metacentre should be

between e.g. and center of pressure
above the center of buoyancy
below the center of buoyancy
above the center of gravity.

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Hydraulics & Fluid Mechanics
A bucket of water is hanging from a spring balance. An iron piece is suspended into water without touching sides of bucket from another support. The spring balance reading will

decrease
increase/decrease depending on depth of immersion
increase
remain same

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