The metacentric height is the distance between the - Hydraulics and Fluid Mechanics Quiz

Mechanical Engineering : Hydraulics and Fluid Mechanics - Quiz(MCQ)

The metacentric height is the distance between the

metacentre and centre of buoyancy

original centre of buoyancy and new centre of buoyancy

centre of gravity of the floating body and the centre of buoyancy

centre of gravity of the floating body and the metacentre

Correct Answer : Option (D) : centre of gravity of the floating body and the metacentre

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Free surface of a liquid tends to contract to the smallest possible area due to force of

Friction

Surface tension

Viscosity

Cohesion

Correct Answer : Surface tension

Which of the following turbine is preferred for a specific speed of 60 to 300 r.p.m.?

Kaplan turbine

Pelton wheel

Francis turbine

None of the above

Correct Answer : Francis turbine

If 850 kg liquid occupies volume of one cubic meter, men 0.85 represents its

Specific mass

Specific gravity

Specific weight

Specific density

Correct Answer : Specific gravity