The ratio of average velocity to maximum velocity for steady laminar flow in circular pipes is_______________?

Related Mcqs:

In steady flow of a fluid, the total accele ration of any fluid particle______________?

A. can be zero B. is never zero C. is always zero D. is independent of coordinates...

The boundary layer thickness in turbulent flow varies as______________?

A. x”7 B. x,/2 C. x4/5 D. x3/5 where x is the distance from leading edge...

The boundary layer thickness at a distance of l m from the leading edge of a flat plate, kept at zero angle of incidence to the flow direction, is O.l cm. The velocity outside the boundary layer is 25 ml sec. The boundary layer thickness at a distance of 4 m is__________________?

A. 0.40 cm B. 0.20 cm C. 0.10 cm D. 0.05 cm Assume that boundary layer is entirely laminar...

The distance y from pipe boundary, at which the point velocity is equal to average velocity for turbulent flow, is________________?

A. 0.223 R B. 0.423 R C. 0.577 R D. 0.707 R where R is radius of pipe...

Select the incorrect statement?

A. The pressure intensity at vena contracta is atmospheric B. Contraction is least at vena contracta C. Stream lines are parallel throughout the jet at vena contracta D. Coefficient of contraction is always less than one...