The distance from pipe boundary, at which the turbulent shear stress is one-third die wall shear stress, is_______________?

Related Mcqs:

If a vessel containing liquid moves downward with a constant acceleration equal to ‘g’ then_____________?

A. the pressure throughout the liquid mass is atmospheric B. there will be vacuum in the liquid C. the pressure in the liquid mass is greater than hydrostatic pressure D. none of the above...

Stanton diagram is a______________?

A. log-log plot of friction factor against Reynolds number B. log-log plot of relative roughness against Reynolds number C. semi-log plot of friction factor against Reynolds number D. semi-log plot of friction factor against relative roughness...

Two pipes of same length and diameters d and 2d respectively are connected in series. The diameter of an equivalent pipe of same length is________________?

A. less than d B. between d and 1.5 d C. between 1.5 d and 2d D. greater than 2d...

For hydro-dynamically smooth boundary, the friction coefficient for turbulent flow is_______________?

A. constant B. dependent only on Reynolds number C. a function of Reynolds number and relative roughness D. dependent on relative roughness only...

The viscosity of a gas_______________?

A. decreases with increase in temperature B. increases with increase in temperature C. is independent of temperature D. is independent of pressure for very high pressure intensities...