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

Related Mcqs:

1. 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

2. 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

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

   A. Dyke
   B. Embankment
   C. Marginal embankment
   D. Flood protective bund

4. 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 –

5. 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

6. An open cut given in a canal bank, suitably protected by stone pitching to the upland drainage water into the canal is called ___________________?

   A. Inlet
   B. Out let
   C. entrance
   D. Mixing

7. The resultant pressure of water on the face of dam is equal to ____________________ ?

   A. 1/2 WH2
   B. 1/2 WH
   C. WH
   D. All are correct

8. A plot of graphical representation showing river flow against time is called _____________________?

   A. Monograph
   B. Hyetograph
   C. Hydrograph
   D. All are correct

9. 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

10. The soil which are formed due to the weathering effects particularly by movement of water and are high permeable are called _________________?

    A. Alluvial soils
    B. Non-alluvial soils
    C. Impervious soils
    D. Semi-impervious soils