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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The value of bulk modulus of a fluid is required to determine

Reynold's number
Euler's number
Froude's number
Mach number

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Hydraulics and Fluid Mechanics in ME
The number of buckets on the periphery of a Pelton wheel is given by

(D/2d) + 20
(D/2d) + 15
(D/2d) + 10
(D/2d) + 5

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

Reciprocating pump
Centrifugal pump
Airlift pump
Jet pump

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Hydraulics and Fluid Mechanics in ME
The hydraulic mean depth or the hydraulic radius is the ratio of

Velocity of flow and area of flow
Area of flow and wetted perimeter
Wetted perimeter and diameter of pipe
None of these

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Hydraulics and Fluid Mechanics in ME
Froude's number is the ratio of inertia force to

Surface tension force
Pressure force
Gravity force
Elastic force

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Hydraulics and Fluid Mechanics in ME
A hydraulic accumulator is a device used to store _________ energy which may be supplied to a machine later on.

Pressure
Kinetic
None of these
Strain

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