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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
In a centrifugal pump, the regulating valve is provided on the

Suction pipe
Impeller
Casing
Delivery pipe

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Hydraulics and Fluid Mechanics in ME
A weir is said to be broad crested weir, if the width of the crest of the weir is ________ half the height of water above the weir crest.

More than
Equal to
None of these
Less than

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

None of these
Gravity
Viscous
Inertia

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Hydraulics and Fluid Mechanics in ME
In a Francis turbine runner, the numbers of blades are generally between

8 to 16
2 to 4
4 to 8
16 to 24

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Hydraulics and Fluid Mechanics in ME
The mass of 2.5 m3 of a certain liquid is 2 tonnes. Its mass density is

600 kg/m3
400 kg/m3
200 kg/m3
800 kg/m3

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Hydraulics and Fluid Mechanics in ME
A fluid of kinematic viscosity 0.4 cm²/sec flows through a 8 cm diameter pipe. The maximum velocity for laminar flow will be

2 m/sec
less than 1 m/sec
1.5 m/sec
1 m/sec

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