At the center line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be_________________?

Related Mcqs:

Which of the following meters is not associated with viscosity____________________?

A. Red wood B. Say bolt C. Engler D. Orsat E. none of the above...

If the surface of liquid is convex, men ___________________?

A. cohesion pressure is negligible B. cohesion pressure is decreased C. cohesion pressure is increased D. there is no cohesion pressure E. none of the above...

The flow in which each liquid particle has a definite path and their paths do not cross each other is called__________________?

A. one dimensional flow B. uniform flow C. steady flow D. turbulent flow E. streamline flow...

A body floats in stable equilibrium ____________________?

A. when its meatcentric height is zero B. when the metancentre is above e.g. C. when its e.g. is below it’s center of buoyancy D. metacentre has nothing to do with position of e.g. for determining stability E. none of the above...

Fluid is a substance that___________________?

A. cannot be subjected to shear forces B. always expands until it fills any container C. has the same shear stress.at a point regardless of its motion D. cannot remain at rest under action of any shear force E. flows...