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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.

1.8 times
1.2 times
Equal to
Double

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Hydraulics and Fluid Mechanics in ME
The total energy line lies over the centre line of the pipe by an amount equal to

Pressure head + velocity head
Pressure head
Velocity head
Pressure head - velocity head

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Hydraulics and Fluid Mechanics in ME
The losses are more in

critical flow
laminar flow
transition flow
turbulent flow

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Hydraulics and Fluid Mechanics in ME
An open tank contains 1 m deep water with 50 cm depth of oil of specific gravity 0.8 above it. The intensity of pressure at the bottom of tank will be

14 kN/m2
10 kN/m2
4 kN/m2
12 kN/m2

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

0.95 times
0.34 times
0.67 times
0.81 times

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Hydraulics and Fluid Mechanics in ME
The maximum number of jets, generally, employed in an impulse turbine without jet interference are

Two
Six
Four
Eight

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