The minimum size of stone that will remain at rest in a channel of longitudinal slope S and hydraulic mean depth R is given by______________?

Related Mcqs:

When the upstream face of a gravity dam is vertical, then the intensity of water pressure at the water surface and at the base respectively will be_______________?

A. 0 and wH212 B. wH2/2and wH2/3 C. wH and 0 D. OandwII where w is unit weight of water and H is the depth of water...

River training for depth is achieved by_______________?

A. groynes B. construction of dykes or leavees C. both (A) and (B) D. groynes and bandalling...

The net speed under which the turbine reaches its peak efficiency is called_________________?

A. design speed B. rated speed C. gross speed D. operating speed...

Which of the following is a flexible outlet ?

A. submerged pipe outlet B. Kennedy’s gauge outlet C. Gibb’s outlet D. none of the above...

The major resisting force in a gravity dam is___________________?

A. water pressure B. wave pressure C. self-weight of dam D. uplift pressure...