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

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

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Hydraulics and Fluid Mechanics in ME
Froude number is significant in

All of the listed here
Supersonics, as with projectile and jet propulsion
Full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc.
Simultaneous motion through two fluids where there is a surface of discontinuity, gravity forces, and wave making effect, as with ship's hulls

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Hydraulics and Fluid Mechanics in ME
When a cylindrical vessel containing liquid is revolved about its vertical axis at a constant angular velocity, the pressure

Decreases as the square of the radial distance
Increases linearly as its radial distance
Increases as the square of the radial distance
Varies as the square of the radial distance

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