Irrigation Online Test – Multiple Choice Questions & Answers

1. Useful soil moisture for plant growth, is

 
 
 
 

2. 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

 
 
 
 

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

 
 
 
 

4. A hydraulic structure is designed to withstand

 
 
 
 

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

 
 
 
 

6. Bligh’s theory of seepage assumes

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. 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

 
 
 
 

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