In ultrasonic welding the frequency range is generally – McqOptions

MCQOPTIONS

1.	In ultrasonic welding the frequency range is generally
A.	80,000 - 800,000 cps
B.	100 - 4000 cps
C.	20,000 - 80,000 cps
D.	800,000 - 5000,000 cps
E.	4000 - 20,000 cps
Answer» F.

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