FARM MACHINERY 297 



2. What are the four essential parts of a manure spreader? 



3. Describe the two types of aprons in use, and what are the 

 advantages of each? 



4. What is a drag chain conveyor? 



5. What is the use of a front end board? 



6. Describe two types of main drive. 



7. How should the beater be constructed? 



8. What is the purpose of the rear end board? 



9. State the purpose of the retarding rake. 



10. Describe two systems of apron drives and give the merits of 

 each. 



11. What points should be observed in selecting a truck? 



12. How is the size or capacity of a manure spreader designated? 



13. What is the advantage of a low-down spreader? 



14. Describe the wagon box spreader. 



