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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
The Prartdtl mixing length is

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

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

venturi
rotameter
pitot tube
orifice plate

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Hydraulics & Fluid Mechanics
The pressure in Pascals at a depth of 1 m below the free surface of a body of water will be equal to

981 PA
9810 PA
1 PA
91 PA

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Hydraulics & Fluid Mechanics
Which of the following is demensionless

specific gravity
specific volume
specific speed
specific weight

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

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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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