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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
A Pelton wheel is

Inward flow reaction turbine
Tangential flow impulse turbine
Outward flow impulse turbine
Inward flow impulse turbine

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Hydraulics and Fluid Mechanics in ME
Specific speed for reaction turbines ranges from

10 to 100
80 to 200
0 to 4.5
250 to 300

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Hydraulics and Fluid Mechanics in ME
The unit of kinematic viscosity in S. I. units is

N-m/s
N-s/m2
m2/s
N-m

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Hydraulics and Fluid Mechanics in ME
The depth of the centre of pressure on a vertical rectangular gate 8 m wide and 6 m high, when the water surface coincides with the top of the gate, is

4.0 m
5.0 m
3.0 m
2.4 m

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Hydraulics and Fluid Mechanics in ME
A point, in a compressible flow where the velocity of fluid is zero, is called

Stagnation point
Critical point
None of the listed here
Vena contracta

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Hydraulics and Fluid Mechanics in ME
The velocity through a channel of circular section will be maximum when the depth of water is __________ the diameter of the circular channel.

0.34 times
0.81 times
0.67 times
0.95 times

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