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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
A piece weighing 3 kg in air was found to weigh 2.5 kg when submerged in water. Its specific gravity is

5
7
6
1

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Hydraulics and Fluid Mechanics in ME
The power transmitted through the pipe is maximum when the head lost due to friction is equal to

One-half of the total supply head
One-fourth of the total supply head
One-third of the total supply head
Two-third of the total supply head

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Hydraulics and Fluid Mechanics in ME
A piece of wood having weight 5 kg floats in water with 60% of its volume under the liquid. The specific gravity of wood is

0.3
0.4
0.6
0.83

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

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

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Hydraulics and Fluid Mechanics in ME
A differential manometer is used to measure

Pressure in Venturimeter
Pressure in pipes and channels
Atmospheric pressure
Difference of pressures between two points in a pipe

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Hydraulics and Fluid Mechanics in ME
Which of the following is used to measure the discharge ?

venturimeter
current meter
hotwire anemometer
pitot tube

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