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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
SURFACE TENSION HAS THE UNITS OF

NETON/M
NEWTONS
NEW TONS/M
NEWTONS/M

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Hydraulics & Fluid Mechanics
When a body floating in a liquid, is displaced slightly, it oscillates about

center of buoyancy
metacentre
e.g. of body
center of pressure

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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

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

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Hydraulics & Fluid Mechanics
The region between the separation streamline and the boundary surface of the solid body is known as

lift
wake
drag
boundary layer

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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
All of these
the area is horizontal
the area is inclined

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Hydraulics & Fluid Mechanics
The resultant of all normal pressures acts

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

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