102 AGRICULTURAL ENGINEERING 



QUESTIONS 



1. Why is it advisable to use little hand labor in filling the ditches? 



2. How may the plow be used in filling ditches? 



3. Describe the use of the V drag and road grader in filling ditches. 



4. Why should the outlet of a tile drain be protected? 



5. Describe the construction of an outlet protection. 



6. What is the purpose of a catch basin? 



7. Describe the construction of a catch basin. 



8. Where is a silt basin used and what is its purpose? 



9. How may tile drains be protected from the roots of trees? 



10. To what extent may a well be used as an outlet for tile drains? 



11. Compare the prices of drain tile furnished in the text with 

 those of your town or city. 



12. What are the usual prices charged for tile ditching? 



