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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
A large Roynold number is indication of

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

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Hydraulics & Fluid Mechanics
Ay between two stream lines represents

head
discharge
velocity
pressure

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Hydraulics & Fluid Mechanics
The resultant of all normal pressures acts

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

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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

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

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

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

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Hydraulics & Fluid Mechanics
The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the centriod, if

the area is horizontal
the area is vertical
the area is inclined
All of these

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MORE MCQ ON Hydraulics & Fluid Mechanics

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