Civil Engineering - Irrigation

Exercise :: Irrigation - Section 3

11. 

Cross regulators in main canals are provided

A. to regulate water supply in the distributaries
B. to increase water head upstream when a main canal is running with low supplies
C. to overflow excessive flow water
D. none of these.

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

12. 

The ratio of the head recovered to the head put in, is known as

A. efficiency
B. sensitivity
C. flexibility
D. modular limit.

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

13. 

The level of the fioor of a syphon aqueduct can be obtained

A. by subtracting the depth of the culvert from the canal bed level
B. by subtracting the thickness of culvert plus the depth of the culvert from the canal bed level
C. both (a) and (b)
D. none of these.

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

14. 

A fall which maintains its depth, is

A. a trapezoidal notch fall
B. a low weir fall
C. a rectangular notch fall
D. all the above.

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

15. 

The water face of the guide banks, is protected by

A. one men stone pitching
B. two man stone pitching
C. three man stone pitching
D. four man stone pitching
E. five man stone pitching.

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.