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Hydraulics and Fluid Mechanics in ME

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

Double
Equal to
1.8 times
1.2 times

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Hydraulics and Fluid Mechanics in ME
The property of fluid by virtue of which it offers resistance to shear is called

adhesion
surface tension
viscosity
cohesion

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Hydraulics and Fluid Mechanics in ME
The flow ratio in case of Francis turbine varies from

0.6 to 0.9
0.15 to 0.3
1 to 1.5
0.4 to 0.5

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Hydraulics and Fluid Mechanics in ME
The absolute pressure is equal to

Gauge pressure - vacuum pressure
Gauge pressure + atmospheric pressure
Gauge pressure - atmospheric pressure
Atmospheric pressure - gauge pressure

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Hydraulics and Fluid Mechanics in ME
Water is _________ liquid.

An incompressible
None of these
Both A and B
A compressible

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Hydraulics and Fluid Mechanics in ME
The discharge through a siphon spillway is

Cd × a × √(2g) × H5/2
Cd × a × √(2g) × H3/2
Cd × a × √(2g) × H2
Cd × a × √(2gH)

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