A water rise takes place on down stream of sloping glacis, when a stream of water moving with high velocity and low depth strikes another stream of flow moving with low velocity and high depth, such breakage in water surface is called______________?

Related Mcqs:

1. The down stream sloping glacis of the Hydraulic structure is made in such a way to form automatically the _____________ and dissipate the surplus energy of flowing water?

   A. Afflux
   B. Hydraulic jump
   C. Pond level
   D. HFL

2. The depth before the jump is always less then the depth after the jump. The depth before the jump is called initial depth and depth after the jump is called_______________?

   A. Afflux
   B. Final depth
   C. Sequent depth
   D. Down stream water depth

3. The hydraulic jump is formed on down stream of toe of glacis for the purpose to dissipate surplus energy of the flowing water, the nature and strength of jump depends upon a Number called______________________?

   A. Reynolds
   B. Froude No
   C. Webber
   D. Darcy,s law

4. When seepage water after passing the ground water aquifer joins the surface stream, such stream will be called_____________________?

   A. Influent stream
   B. Effluent stream
   C. Rain stream
   D. Storm stream

5. For strong Hydraulic jump containing maximum energy, the down stream glacis should be sloped at a slope of ______________ to dissipate max: energy?

   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

6. if the depth of water in an open channel is greater than the critical depth, the flow is called________________?

   A. Critical depth
   B. Non-critical flow
   C. Sub-critical flow
   D. Shooting flow

7. A type of flow in which water particles, while moving in the direction of flow, rotate about their mass centre is called _________________?

   A. Turbulent flow
   B. Laminar flow
   C. Rotational flow
   D. Circular flow

8. The rise in river water level at up stream due to construction of weir is called__________________?

   A. Pond level
   B. HFL
   C. Afflux
   D. FSL

9. The velocity in a large canal or channel measured at a depth of ___________________ gives the mean velocity using the current meter?

   A. 0.6m
   B. 0.5m
   C. 0.6 depth
   D. 0.5 depth

10. 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 ______________________?

    A. Water pool
    B. Cistern
    C. Down stream pond
    D. Water cushion