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Overseer and Suboverseer Weekly Exam

Welcome to your Irrigation Exam set 1

Name
1. 
Borrow pits should preferably be located in

2. 
Irrigation canals are generally aligned along

3. 
The consumptive use of water for a crop

4. 
Canals taken off from ice-fed perennial rivers, are known

5. 
If water table is comparatively high, the irrigation canal becomes useless, due to

6. 
The field capacity of a soil depends upon

7. 
A river training work is generally required when the river is

8. 
When a canal flowing under pressure is carried below a natural drainage such that its F.S.L. does not touch the underside of the supporting structure, the structure so provided, is called

9. 
A hydraulic structure is designed to withstand

10. 
The main function of a diversion head works of a canal from a river, is

11. 
Pick up the correct statement from the following:

12. 
Regime conditions in a channel may occur if

13. 
A river is said to be of

14. 
The width of a dowla is generally kept between 30 to 60 cm and its height above the road level should invariably be more than

15. 
The difference in level between the top of a bank and supply level in a canal, is called

16. 
The most suitable location of a canal head work, is

17. 
The length and width of a meander and also the width of the river, vary roughly as

18. 
A land is said to be water-logged if its soil pores within

19. 
A counter berm is

20. 
Canals constructed for draining off water from water logged areas, are known

21. 
A fall in a canal bed is generally provided, if

22. 
F.S.L. of a canal at its head with respect to parent channel is kept

23. 
Garnett's diagrams are used for graphical solution of design equations of a canal by

24. 
Effective precipitation for a crop may be defined as

25. 
The state of the soil when plants fail to extract sufficient water for their requirements, is

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