PART-A(10X2=20)
1. Distinguish betweenopen drive and cross drive of a belt drive.
2. Define module?
3. What are the common forms of gear tooth profile?
4. What are proffered numbers?
5. What are the possible arrangements to achive 12 speeds from a gear box?
6. Name few commonly used friction materials?
7. What is the factors influence backlash in gear drives?
8. List the different types of gear mechanism?
9. What are the applications of skew helical gears?
10. What is a crown gear?