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Engineering Exams RRB-JE Civil and Allied Engineering General Abilities 2019 28-Aug-2019 Paper-2 Shift-2 Medium +1 -0.33
Cleaning of hard to reach places inside a spiral tube, odd shaped parts, electronic components etc. is done using which waves?
Correct Answer: A. Ultrasonic waves
Explanation: Ultrasonic waves are used to clean complex or hard-to-reach objects like spiral tubes and electronic components. When these high-frequency sound waves pass through a cleaning solution, they create millions of microscopic bubbles in a process called cavitation. These bubbles collapse with great force, acting as tiny scrubbers that agitate the liquid and pull contaminants away from intricate surfaces, cracks, and recesses that manual cleaning cannot reach.
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