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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
Which of the following instrument can be used for measuring speed of an aeroplane

pitot tube
rotameter
Venturimeter
Orifice plate

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Hydraulics & Fluid Mechanics
Which of the following is demensionless

specific speed
specific gravity
specific volume
specific weight

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Hydraulics & Fluid Mechanics
The surface tension of mercury at normal temperature compared to that of water is

same
more
less
more or less depending on size of glass tube

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

rotameter
orifice plate
venturi
pitot tube

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

wake
lift
boundary layer
drag

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Hydraulics & Fluid Mechanics
Surface energy per unit area of a surface is numerically equal to

atmospheric pressure
force of adhesion
surface tension
force of cohesion

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