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60 Important Electrical Welding MCQ Question and Answer | PDF Free Download

Electrical Welding MCQ Question and Answer PDF Free Download
Electrical Engineering MCQ Question & Answer in PDF Download

1.In ultrasonic welding, the frequency range is generally

  • A2000 to 3000 Hz
  • B4000 to 20000 Hz
  • C30000 to 40000 Hz
  • D50000 to 80000 Hz
Answer / Hint Save Question Comment On Question
Correct Answer : (B)

4000 to 20000 Hz
Explanation:

In ultrasonic welding, the frequency range is generally 4000 to 20000 Hz.

Electrical Engineering MCQ Question & Answer in PDF Download

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