Irrigation Engineering Practice Test 3

1. A lined canal costs about 2 to 2.5 times as much as the unlined canal.

2. Safety ladders are provided in large irrigation canals to ______________

3. The land is made to be sloped towards the ditches.

4. The berms help in checking excessive loss of water due to seepage.

5. Which factor causing waterlogging suggests extensive irrigation?

6. Which factor comes into play when less permeable substratum is present?

7. According to Kennedy the silting action in channels is due to?

8. Which type of lining is restricted to the availability of suitable soils in the area?

9. Which of the following statement is wrong?

10. What type of losses can be mainly avoided by lining the canals?