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Hydraulics and Fluid Mechanics in ME

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

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

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Hydraulics and Fluid Mechanics in ME
In order that flow takes place between two points in a pipeline, the differential pressure between these points must be more than

viscosity
surface friction
frictional force
All of these

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Hydraulics and Fluid Mechanics in ME
The depth of the bucket for a Pelton wheel is generally _________ the diameter of jet.

1.8 times
Equal to
Double
1.2 times

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Hydraulics and Fluid Mechanics in ME
A uniform body 3 m long, 2 m wide and 1 m deep floats in water. If the depth of immersion is 0.6 m, then the weight of the body is

33.3 kN
35.3 kN
None of these
3.53 kN

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Hydraulics and Fluid Mechanics in ME
Capillary action is due to the

Adhesion of the liquid molecules and the molecules on the surface of a solid
Surface tension
All of the listed here
Cohesion of the liquid

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Hydraulics and Fluid Mechanics in ME
Viscous force is the __________ of shear stress due to viscosity and cross-section area of flow.

Ratio
Different
Product
Sum

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