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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
0.8
1.2

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Hydraulics and Fluid Mechanics in ME
The maximum hydraulic efficiency of an impulse turbine is (where φ = Angle of blade tip at outlet)

(1 - cos φ)/2
(1 + cos φ)/2
(1 + sin φ)/2
(1 - sin φ)/2

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Hydraulics and Fluid Mechanics in ME
The impeller of a centrifugal pump may have

Any one of these
Vortex casing
Volute casing with guide blades
Volute casing

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Hydraulics and Fluid Mechanics in ME
The centre of pressure acts __________ the centre of gravity of immersed surface.

Below
None of these
At
Above

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Hydraulics and Fluid Mechanics in ME
A venturi-flume is used to measure

Discharge of liquid
Pressure of liquid
Pressure difference between two points in a pipe
Pressure difference between two points in a channel

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Hydraulics and Fluid Mechanics in ME
Which of the following meters is not associated with viscosity

Red wood
Say bolt
Engler
Orsat

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