The vent valve provided in a liquid handling centrifugal pump is___________________?

Related Mcqs:

What is the shear rate at the pipe wall, in case of laminar flow of Newtonian fluids in a pipe of diameter ‘D’ & length ‘L’ incurring a pressure drop ‘Δp’ with average velocity ‘Vavg’ ?

A. D Δp/8L B. D Δp/4L C. 8 Vavg/D D. 4 Vavg/D...

In case of turbulent flow of fluid through a circular pipe, the __________________?

A. Mean flow velocity is about 0.5 times the maximum velocity B. Velocity profile becomes flatter and flatter with increasing Reynolds number C. Point of maximum instability exists at a distance of 2r/3 from the pipe wall (r = pipe radius) D. Skin friction drag, shear stresses, random orientation of fluid particles and slope of … In case of turbulent flow of fluid through a circular pipe, the __________________?Read More...

Consider two pipes of same length and diameter through which water is passed at the same velocity. The friction factor for rough pipe is f1 and that for smooth pipe is f2. Pick out the correct statement ?

A. f1 = f2 B. f1 < f2 C. f1 > f2 D. Data not sufficient to relate f1 & f2...

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...

Which of the following exemplifies a three dimensional fluid flow ?

A. Fluid flow at the inlet to a nozzle B. Fluid flow between parallel plates C. Viscous fluid flow between converging plates D. None of these...