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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The buoyancy depends on

depth of immersion
viscosity of the liquid
pressure of the liquid displaced
mass of liquid displaced

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Hydraulics and Fluid Mechanics in ME
The meatcentric height of a ship is 0.6 m and the radius of gyration is 4 m. The time of rolling of a ship is

5.2 sec
10.4 sec
4.1 sec
14.1 sec

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Hydraulics and Fluid Mechanics in ME
The intensity of pressure at any point, in a liquid, is __________ to the depth of liquid from the surface.

None of these
Inversely proportional
Directly proportional
Equal

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Hydraulics and Fluid Mechanics in ME
If the velocity is zero over half of the cross-sectional area and is uniform over the remaining half, then the momentum correction factor is

4
2
43924
1

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Hydraulics and Fluid Mechanics in ME
A liquid compressed in cylinder has a volume of 0.04 m3 at 50 kg/cm² and a volume of 0.039 m3 at 150 kg/cm². The bulk modulus of elasticity of liquid is

400 kg/cm²
40 × 10⁶ kg/cm²
40 × 10⁵ kg/cm²
4000 kg/cm²

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

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