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Hydraulics & Fluid Mechanics

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 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

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

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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
Which of the following instrument can be used for measuring speed of an aeroplane

Venturimeter
pitot tube
Orifice plate
rotameter

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Hydraulics & Fluid Mechanics
A perfect gas

is of theoretical interest
has constant viscosity
is incompressible
None of these

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Hydraulics & Fluid Mechanics
The units of viscosity are

newton-sec/metre2
metre2/se
newton-sec/metre
kg sec/metre

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