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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
Specific weight of sea water is more that of pure water because it contains

dissolved salt
All of these
suspended matter
dissolved air

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

rotameter
pitot tube
orifice plate
venturi

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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
1/3
2/3
1/2

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Hydraulics & Fluid Mechanics
According to the principle of buoyancy a body totally or partially immersed in a fluid will be lifted up by a force equal to

weight of the fluid displaced by the body
more than the weight of the body
less than the weight of the body
the weight of the body

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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
When a liquid rotates at a constant angular velocity about a vertical axis as a rigid body, the pressure intensity varies

linearly with radial distance
as the square of the radial distance
inversely as the radial distance
inversely as the square of the radial distance

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MORE MCQ ON Hydraulics & Fluid Mechanics

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