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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
A large Roynold number is indication of

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

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Hydraulics & Fluid Mechanics
For measuring flow by a venturimeter, if should be installed in

vertical line
inclined line with upward flow
in any direction and in any location.
horizontal line

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Hydraulics & Fluid Mechanics
The resultant of all normal pressures acts

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

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

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Hydraulics & Fluid Mechanics
The position of center of pressure on a plane surface immersed vertically in a static mass of fluid is

None of these
at the centroid of the submerged area
always below the centroid of the area
always above the centroid of the area

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Hydraulics & Fluid Mechanics
The discharge of a liquid of kinematic viscosity 4 cm²/sec through a 8 cm dia-meter pipe is 3200n cm7sec. The type of flow expected is

LAMINAR FLOW
TURBULENT FLOW
NOT PREDICTABLE FROM THE GIVEN DATA
TRANSITION FLOW

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