An earth embankment built on one or both sides of a river, some distance away from its banks to control flood is called _______________?

Related Mcqs:

1. In a river the flood water dries up before it joins the sea or any other river, such river is called ________________?

   A. Flashy
   B. Virgin
   C. Tidal
   D. Deltaic

2. If in a river the flood rises and falls suddenly due to storm rain, then such river is called __________________?

   A. Virgin
   B. Tidal
   C. Flashy
   D. Deltaic

3. In high floods, to avoid spilling of flood water over the gates, a wall is provided from pond level to high Flood level. This wall spans for the entire length of regulator, rest on piers, sustain water pressure by its weight called_____________________?

   A. Retaining wall
   B. Divide wall
   C. Breast wall
   D. Cantilever wall

4. During the peak stage of river, there exist an out flow from river into the ground water reservoir, in such case river will be called _________________?

   A. Influent stream
   B. Effluent stream
   C. Storm water stream
   D. Seepage stream

5. To protect the face of embankment against the attack of wave wash with stone boulders is called _________________?

   A. Pitching
   B. Armouring
   C. Revetment
   D. All are correct

6. The height from the top of the embankment to the normal water level in canal .Dam – Reservoir etc, which allows for small waves to splash without over flow is called___________________?

   A. Free board
   B. Free space
   C. Free faced
   D. Free end –

7. It is important to keep the saturation gradient line within the body of a embankment of canal, the saturation gradient line in loomy soils lie at___________________?

   A. 1:2 to 1:4
   B. 1:3 to 1:5
   C. 1:4 to 1:6
   D. 1:5 to 1:7

8. A spoil bank is formed when the volume of excavated soil is _________________ of embankment filling?

   A. Less than
   B. Excess
   C. Equal to
   D. Not required

9. The process of consolidation of stabilized earth work in canal or river embankments. In this process the soil is deposited in layers of specified thickness and at a particular moisture content is called __________________?

   A. Soil stabilization
   B. Densification
   C. Compaction
   D. All are correct

10. when ever a sloping face of river bank is protected by stone pitching against scour, the pitching is extended beyond the toe to the river side that is called__________________?

    A. Toe wall
    B. Launching apron
    C. Protective wall
    D. Guide bank