| Q.9 | The index movement for cutting 28 teeth on spur gear blank using simple indexing method is—— | |
| Ans | 1. One complete turn of the index crank and 9 holes on a 21 holes index plate. | |
| 2. Nine complete turn of the index crank and 1 hole on a 21 holes index plate. | ||
| 3. None of the options | ||
| 4. One complete turn of the index crank and 3 holes on a 7 holes index plate. |
Correct Ans Provided: 1