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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

rotameter
orifice plate
pitot tube
venturi

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Hydraulics & Fluid Mechanics
Flow at constant rate through a tapering pipe is i) steady flow ii) uniform flow iii) unsteady flow iv) non-uniform flow The correct answer is

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

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Hydraulics & Fluid Mechanics
The resultant of all normal pressures acts

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

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Hydraulics & Fluid Mechanics
The peoperty by virtue of which a liquid opposes relative motion between its different layers is called

surface tension
viscosity
co-efficient of viscosity
osmosis

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Hydraulics & Fluid Mechanics
The discharge over a broad crested weir is maximum when the depth of flow is (where H is the available head)

2 H/3
H/3
2 H/5
H/2

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Hydraulics & Fluid Mechanics
The line of action of the buoyant force acts through the

center of gravity of any submerged body
centroid of the volume of fluid vertically above the body
centriod of the displaced volume of fluid
center of the volume of floating body

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