McqMate
| Q. |
Material removal rate in USM increases with |
| A. | decrease in volume of work material per impact |
| B. | decrease in volume of work material per impact |
| C. | increases in frequency |
| D. | decreases in the number of particle making impact per cycle |
| Answer» C. increases in frequency | |
| Explanation: material removal rate in ultrasonic machining is proportional to frequency. | |
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