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Frequency of tool’s oscillation in USM ranges between ________(a) 5-10 kHz(b) 10-15 kHz(c) 18-20 kHz(d) 25-50 kHzI have been asked this question in an interview for job.I'm obligated to ask this question of Ultrasonic Machining in section Mechanical Processes of Advanced Machining |
Answer» Correct OPTION is (c) 18-20 kHz |
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