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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
An odd shaped body weighing 7.5 kg and occupying 0.01 m3 volume will be completely submerged in a fluid having specific gravity of

0.75
1
1.2
0.8

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Hydraulics and Fluid Mechanics in ME
The discharge over a triangular notch is

Inversely proportional to H5/2
Inversely proportional to H3/2
Directly proportional to H5/2
Directly proportional to H3/2

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Hydraulics and Fluid Mechanics in ME
With the same cross-sectional area and immersed in same turbulent flow, the largest total drag will be on

a streamlined body
a sphere
a cylinder
a circular disc of plate held normal to flow

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Hydraulics and Fluid Mechanics in ME
Multistage centrifugal pumps are used to obtain

High head and high discharge
High discharge
High head
Pumping of viscous fluids

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Hydraulics and Fluid Mechanics in ME
The pressure measured with the help of a pressure gauge is called

Atmospheric pressure
Absolute pressure
Gauge pressure
Mean pressure

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Hydraulics and Fluid Mechanics in ME
The flow in which the particles of a fluid attain such velocities that vary from point to point in magnitude and direction as well as from instant to instant, is known as

uniform flow
turbulent flow
one dimensional flow
steady flow

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