An outlet through which the discharge depends upon the water level in the distributary is called ___________________? April 26, 2025 by admin A. Rigid module B. Flexible module C. Non-flexible D. Non-modular
A module or outlet in which discharge depends upon the difference of head between distributary and the water course is called ___________________? April 26, 2025 by admin A. Non-modular B. Modular C. Semi-modular D. Rigid module
A water pool is designed on the down stream of the hydraulic structure to dissipate the energy of falling water by providing a water cushion called ______________________? April 26, 2025 by admin A. Water pool B. Cistern C. Down stream pond D. Water cushion
The water way from a weir is determined by using Lacey’s wetted perimeter i.e. P=_______(Q)1/2 ? April 26, 2025 by admin A. 3.50 B. 3.75 C. 4.75 D. 5.75
When a weir is constructed, the downstream .bed of the river goes on eroding and consequently causes progressive lowering of the bed on downstream of weir called__________________? April 26, 2025 by admin A. Retrogression B. Lowering down of bed C. Ponding on down stream D. All are correct
For strong Hydraulic jump containing maximum energy, the down stream glacis should be sloped at a slope of ______________ to dissipate max: energy? April 26, 2025 by admin A. 2:1 to 2.5:1 B. 2.5:1 to 3:1 C. 3:1 to 5:1 D. 5:1 to 6
To avoid scouring from end of structure, it is necessary to provide a ________________ at the exit point? April 26, 2025 by admin A. Vertical cutoff B. Stone apron C. Stone boom D. Stone blocks
Now- a -days the hydraulic structures are designed. Keeping in view the flow net, this was given by __________________? April 26, 2025 by admin A. Blight B. Khosla C. Lane D. Darcy
At the end of hydraulic structure, the upward force of sub-soil water just becomes equal to the submerged weight of soil grains Then exit gradient will be called______________? April 26, 2025 by admin A. Submerged exit gradient B. Critical exit gradient C. Balanced exit gradient D. All are correct
Mostly the hydraulic structures founded on ____________ soils fails because of undermining and uplift pressure? April 26, 2025 by admin A. Stable B. Rocky C. Impermeable D. Permeable
