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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
For centrifugal pump impeller, the maximum value of the vane exit angle is

25° to 30°
15° to 20°
20° to 25°
10° to 15°

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Hydraulics and Fluid Mechanics in ME
The force of buoyancy is always __________ the weight of the liquid displaced by the body.

Less than
More than
None of these
Equal to

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Hydraulics and Fluid Mechanics in ME
The resultant upward pressure of the fluid on an immersed body due to its tendency to uplift the submerged body is called

Buoyancy
Reaction
Up-thrust
Metacentre

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Hydraulics and Fluid Mechanics in ME
Equation of continuity is based on the principle of conservation of

momentum
None of these
energy
mass

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Hydraulics and Fluid Mechanics in ME
The capillary rise at 20°C in a clean glass tube of 1 mm bore containing water is approximately

10 mm
5 mm
20 mm
30 mm

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Hydraulics and Fluid Mechanics in ME
Francis turbine is best suited for

High head installation above 180 m
Medium head application from 24 to 180 m
All types of heads
Low head installation up to 30 m

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