The ratio of the hydraulic radius to the diameter of the channel, for maximum mean velocity of flow in a circular channel, in open channel flow is_________________?

Related Mcqs:

In the complete turbulence zone (in rough pipes), the____________________?

A. Rough and smooth pipes have the same friction factor B. Laminar film covers the roughness projections C. Friction factor depends upon NRe only D. Friction factor is independent of the relative roughness...

In laminar flow through a round tube, the discharge varies ______________________?

A. Linearly as the viscosity B. Inversely as the pressure drop C. Inversely as the viscosity D. As the square of the radius...

What is the ratio of displacement thickness to nominal thickness for a linear distribution of velocity in the boundary layer on a flat plate ?

A. 0.5 B. 1 C. 1.5 D. 2...

The valve commonly used in pipes larger than 2″ dia is a______________?

A. Globe valve B. Plug-cock C. Gate valve D. Check valve...

Boundary layer thickness in laminar flow over a flat plate increases as(where, d = distance from the leading edge.) ?

A. √d B. d1/3 C. d2 D. d2/3...