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 ______________________?

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. 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

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. 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______________?

   A. Water wave
   B. Water tide
   C. Hydraulic jump
   D. Afflux

5. According to Blight, the percolating water seeps along the lower contour of the hydraulic structure, the length traversed by this water is called ______________________?

   A. Creep length
   B. Seeping length
   C. Piping
   D. Undermining

6. A hydraulic jump to dissipate energy when flow is __________________?

   A. Critical flow
   B. Shooting flow
   C. Streaming flow
   D. Turbulent flow

7. If E1 is the energy before the hydraulic jump and E2 is the energy after the hydraulic jump the efficiency of jump is then given by _____________________?

   A. E2 – E1
   B. E2 / E1
   C. E1 – E2
   D. E1 / E2

8. Hydraulic structures are designed for a safe flow of flood. The floods which are equal in designed magnitude life of the project is called _____________________?

   A. High floods
   B. Ordinary floods
   C. Low floods
   D. Probable flood

9. A structure made near weirs and barrages to facilitate the migration of fish up stream or down stream is called __________________?

   A. Fish ladder
   B. Fish escape
   C. Fish pool
   D. Fish pond

10. The total length of impervious floor on down stream of the hydraulic structure is determined by Bligh’s Theory__________________?

    A. Lane
    B. Darcy
    C. Khosla
    D. All are correct