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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

orifice plate
pitot tube
venturi
rotameter

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Hydraulics & Fluid Mechanics
If a sphere of diameter 1 cm falls in castor oil of kinematic viscosity 10 stokes, with a terminal velocity of 1.5 cm/sec, the coefficient of drag on the sphere is

less than 1
between 1 and 100
160
200

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Hydraulics & Fluid Mechanics
Pressure of the order of 10''' torr can be measured by

Pirani Gauge
ionisastion gauge
Bourdon tube
Micro-manometer

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Hydraulics & Fluid Mechanics
Pressure of the order of 10''' torr can be measured by

ionisastion gauge
Micro-manometer
Bourdon tube
Pirani Gauge

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Hydraulics & Fluid Mechanics
The Prartdtl mixing length is

maximum at the pipe wall
zero at the pipe wall
independent of shear stress
None of these

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

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

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MORE MCQ ON Hydraulics & Fluid Mechanics

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