MCQOPTIONS
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| 1. |
Which one of the following statements is TRUE for the ultrasonic machining (USM) process? |
| A. | In USM, the tool vibrates at subsonic frequency |
| B. | USM does not employ magnetostrictive transducer |
| C. | USM is an excellent process for machining ductile materials |
| D. | USM often uses a slurry comprising abrasive-particles and water |
| Answer» E. | |