302 AGRICULTURAL ENGINEERING 



3. How is the grain reduced by means of rollers? 



4. What are some of the attachments of a feed grinder? 



5. What safety device is usually provided? 



6. What are some of the important features to be considered in 

 the selection of a feed mill? 



7. How much feed may be ground per horsepower per hour? 



8. What are the two distinct types of corn shellers in use? 



9. Describe the shelling mechanism of the spring or picker sheller. 



10. Describe the cylinder sheller. 



1 1 . Describe some of the attachments provided for a sheller. 



12. What is the capacity of various sizes of corn shellers? 



13. How much power is required? 



