Irrigation Online Test – Multiple Choice Questions & Answers

1. The structure constructed to allow drainage water to flow under pressure through an inverted syphon below a canal, is called

 
 
 
 

2. Bligh’s theory of seepage assumes

 
 
 
 

3. A hydraulic structure is designed to withstand

 
 
 
 

4. The field capacity of a soil is 25%, its permanent wilting point is 15% and specific dry unity weight is 1.5. If the depth of root zone of a crop, is 80 cm, the storage capacity of the soil, is

 
 
 
 

5. In north Indian Plains, optimum depth of kor watering for wheat, is

 
 
 
 

6. Useful soil moisture for plant growth, is

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. For a unique design of a channel by Kennedy’s theory

 
 
 
 

10. If the optimum depth of kor watering for a crop is 15.12 cm, the outlet factor for the crop for four week period in hectares per cumec, is

 
 
 
 

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