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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

hot wire anemometer
pitot tube
Venturimeter
rotameter

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

Pump viscous fluids
All of these
Give high discharge
Produce high heads

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Hydraulics and Fluid Mechanics in ME
Which type of the pump is different from others in the same group?

Screw pump
Gear pump
Plunger pump
Cam and piston pump

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Hydraulics and Fluid Mechanics in ME
In reaction turbine, draft tube is used

To increase flow rate
To transport water downstream without eddies
For safety of turbine
To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section

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Hydraulics and Fluid Mechanics in ME
The resultant upward pressure of the fluid on an immersed body is called

center of pressure
all the above are correct
upthrust
buoyancy

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Hydraulics and Fluid Mechanics in ME
Two pipe systems can be said to be equivalent, when the following quantities are same

Length and diameter
Flow and length
Friction loss and flow
Friction factor and diameter

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