The angle between a head regulator and entrance of water, for smooth entry of water in a canal is kept as _________________?

Related Mcqs:

1. A regulator is water controlling structure, it is provided at the head of canal to supply water from parent canal to the branch channel is called_______________________?

   A. Head Regulator
   B. Cross-Regulator
   C. Escape
   D. All are correct

2. The water level required on the upstream side of a canal head regulator, so as to feed the off-taking canal with its full supply is called_________________?

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

3. The structures, which are constructed on the river bed upstream of head regulator. With this clear water enters in canal such structures are called______________________?

   A. Silt excluders
   B. Silt ejectors
   C. Vortex pipes
   D. Silt control structures

4. An open cut in the canal bank. with bed and sides to escape canal water through a lead channel to mix water in a nearby drain is called _____________________?

   A. Inlet
   B. Out let
   C. Module
   D. Exit

5. 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

6. 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

7. Canals normally excavated directly from river without head regulator is called___________________?

   A. Perennial canals
   B. Inundation canals
   C. Non-perennial canals
   D. Water shed canals

8. When FSL of the canal is sufficiently above the bed level of drainage so that canal flows under syphonis action, the structure is called _____________________?

   A. Super passage
   B. Syphon – Aqueduct
   C. Canal-syphon
   D. Aqueduct

9. The fixing of points in such away or the ground to have a correct lines for setting a canal or water course is called _________________?

   A. Lining of canal
   B. Alignment of canal
   C. Designing of canal
   D. All are correct

10. Out/ of a well water is more than canal water because____________________?

    A. Conveyance losses in well irrigation are less
    B. Well water is clear than canal water
    C. Lifting of water increase cost of well water
    D. Well water is used economically