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DHE 150 Exam Questions & Answers 2025/2026
DHE 150
DHE 150
DHE 150 Exam Questions & Answers 2025/2026 convert air pressure into high-frequency sound waves that produce rapid vibrations of the powered working-end. These devices operate inaudible at 18,000 to 50,000 cycles per second. Can be categorized into piezo and magneto devices - ANSWERSUltrasonic powered device Convert air pressure into high-frequency sound waves that produce vibrations of the powered working-end. Sonic devices operate at a relatively low frequency of 3,000 to 8,000 cycles ...
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