MCQOPTIONS
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| 1. |
What is the purpose of a series of slotted rotating discs provided between the electron beam gun and the workpiece? |
| A. | It increases the accuracy of the beam |
| B. | It can increase the intensity of the beam (if needed) |
| C. | It prevents power losses |
| D. | It prevents power lossesd) It prevents vapour generated during machining to reach the gun |
| Answer» E. | |