The tangential velocity of the water element having a free vortex is

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

Directly proportional to its distance from the centre

Inversely proportional to its distance from the centre

Directly proportional to its (distance)2 from the centre

Inversely proportional to its (distance)2 from the centre

Correct Answer : Option (B) : Inversely proportional to its distance from the centre

Recently Updated in Hydraulics and Fluid Mechanics Questions

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