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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
In a Sutro weir, the discharge is proportional to (where H is head)

H1/2
H
H3/2
H5/2

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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
lift
drag

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Hydraulics & Fluid Mechanics
The horse power transmitted through a pipe is maximum when the ratio of loss of head due to friction and total head supplied is

1/4
1/2
1/3
2/3

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Hydraulics & Fluid Mechanics
Uniform flow occurs when

size and shape of the cross section in a particular length remain constant
the flow is steady
the flow is streamline
size and cross section change uniformly along length

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Hydraulics & Fluid Mechanics
THEE HORIZONTAL COMPONENT OF BUOYANT FORCE IS

ZERO
SAME AS BUOYANT FORCE
NEGLIGIBLE
None of these

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Hydraulics & Fluid Mechanics
In a two dimensional incompressible steady flow around an airfoil, the stream lines are 2 cm apart at a great distance from the airfoil, where the velocity is 30 m/sec. The velocity near the airfoil, where the stream lines are 1.5 cm apart, is

22.5 M/SEC
33 M/SEC
50 M/SEC
40 M/SEC

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