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What is the maximum frequency used in ultrasonic welding?(a) 30,000 Hz(b) 40,000 Hz(c) 50,000 Hz(d) 60,000 HzI got this question during a job interview.The query is from Solid State Welding topic in division Welding and Related Processes of Casting-Forming-Welding II

Answer» RIGHT CHOICE is (d) 60,000 Hz

To EXPLAIN: NONE.


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