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___________________?

Related Mcqs:

1. 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...

2. When the high flood level of the drain is sufficiently below the bed of the Canal that the drainage water flows freely under gravity, such structure is called___________________?

   A. Aqueduct B. Syphon-aqueduct C. Cross-Drainage D. Non-gravity structure...

3. 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...

4. 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...

5. 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...

6. generally useful life of a reservoir is considered terminated when its -gross storage is reduced by _______________ of the design capacity of the reservoir?

   A. 100% B. 80% C. 50% l D. 20%...

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. The horizontal flow of water in irrigation channel or canal leading to water loss is called as:_________?

   A. Infiltration B. Percolation C. Seepage D. All of these Submitted by: Shafiq Rehman...

10. The line in a flow net which shows the direction of flow of water through a soil mass beneath dam are called _________________?

    A. Equipotential lines B. flow lines C. Section lines D. Streak lines...