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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Which of the following instrument can be used for measuring speed of a submarine moving in deep sea

pitot tube
hot wire anemometer
Venturimeter
rotameter

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Hydraulics and Fluid Mechanics in ME
A pitot tube is used to measure the

Discharge through a pipe
Total pressure of liquid flowing in a pipe
Pressure difference between two points in a pipe
Velocity of flow at the required point in a pipe

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Hydraulics and Fluid Mechanics in ME
By fitting an air vessel to the reciprocating pump, there is always a saving of work done and subsequently saving of power. The saving in case of a double acting reciprocating pump is

0.488
0.884
0.848
0.392

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Hydraulics and Fluid Mechanics in ME
An average value of coefficient of velocity is

0.76
0.97
0.62
0.84

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Hydraulics and Fluid Mechanics in ME
Due to each end contraction, the discharge of rectangular sharp crested weir is reduced by

0.2
0.1
0.15
0.05

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Hydraulics and Fluid Mechanics in ME
In a centrifugal pump casing, the flow of water leaving the

Vortex
Axial
Centrifugal
Radial

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