Q. In a turret lathe a pre-selector is a device (Solved)
1. That is used to decide the operation to be done on a job prior to a specific operation
2. Used for feeding bar to chuck
3. None of above
4. That is used to pre-select the spindle speed for the next operation in progress
5. That is used to select in the job prior to loading
- d. That is used to pre-select the spindle speed for the next operation in progress