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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
A flow in which __________ force is dominating over the viscosity is called turbulent flow.

Viscous
Elastic
Inertia
Surface tension

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Hydraulics and Fluid Mechanics in ME
Euler's number is the ratio of __________ force to pressure force.

Inertia
Viscous
Gravity
None of these

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Hydraulics and Fluid Mechanics in ME
Which of the following pump is successfully used for lifting water to the turbines?

Centrifugal pump
Jet pump
Air lift pump
Reciprocating pump

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

velocity at stagnation point
dynamic pressure
stagnation pressure
static pressure

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Hydraulics and Fluid Mechanics in ME
For pipes, turbulent flow occurs when Reynolds number is

between 2000 and 4000
less than 2000
less than 4000
more than 4000

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Hydraulics and Fluid Mechanics in ME
Cavitation is caused by

weak material
high velocity
low pressure
high pressure

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