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_________________?

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 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

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

   A. 90°
   B. 100°
   C. 110°
   D. 120°

4. 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

5. When reservoir is full on upstream side, the maximum stress comes upon__________________?

   A. Top of dam
   B. Bottom of dam
   C. Face of dam
   D. All are correct

6. 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

7. 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

8. 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

9. 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

10. A fish ladder is device by which flow energy can be dissipated in such a manner as to provide easy access to the downstream fish to come on upstream side, the velocity of flow varies from___________________?

    A. 2.0 – 2.5 – m/sec
    B. 2.5 – 3 m/sec
    C. 3.0 – 3.5 m/sec
    D. 3.5 – 4.0 m/sec