The maximum thickness of boundary layer in a pipe of radius r is____________________?

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The motion of air mass in a tornado is a________________?

A. free vortex motion B. forced vortex motion C. free vortex at center and forced vortex outside D. forced vortex at center and free vortex outside...

In a Sutro weir, the discharge is proportional to________________?

A. H1/2 B. H3/2 C. H5/2 D. H where H is head...

For laminar flow in circular pipes, the Darcy’s friction factor f is equal to_________________?

A. 16/Re B. 32/ Re C. 64/ Re D. none of the above where R,, is Reynolds number...

If x is the distance from leading edge, then the boundary layer thickness in laminar flow varies as________________?

A. x B. x C. x D. x/7...

The point in the immersed body through which the resultant pressure of the liquid may be taken to act is known as__________________?

A. center of gravity B. center of buoyancy C. center of pressure D. metacentre...