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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
6
1
7

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Hydraulics and Fluid Mechanics in ME
A flow through a long pipe at decreasing rate is called __________ uniform flow.

None of these
Unsteady
Both A and B
Steady

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Hydraulics and Fluid Mechanics in ME
A water tank contains 1.3 m deep water. The pressure exerted by the water per metre length of the tank is

28.9 kN
9.28 kN
2.89 kN
8.29 kN

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Hydraulics and Fluid Mechanics in ME
The angle of taper on draft tube is

Less than 8°
Greater than 5°
Greater than 8°
Greater than 15°

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Hydraulics and Fluid Mechanics in ME
In a centrifugal pump, the liquid enters the pump

From sides
At the top
At the canter
At the bottom

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Hydraulics and Fluid Mechanics in ME
The loss of head due to friction in a pipe of uniform diameter in which a viscous flow is taking place, is (where RN = Reynold number)

4/RN
1/RN
16/RN
64/RN

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