CRCST Progress Practice Test 2025 – Complete Exam Prep Resource

Question: 1 / 400

What can happen if excess bubbles are present in the ultrasonic cleaner?

They can damage the items being cleaned.

They can enhance the cleaning process.

They will not affect the cleaning process.

They can reduce the cavitation energy.

Excess bubbles in an ultrasonic cleaner can indeed reduce cavitation energy, which is crucial for effectively cleaning items. Cavitation is the formation and collapse of tiny bubbles in the cleaning fluid caused by high-frequency sound waves. This process generates intense cleaning action that dislodges dirt and contaminants from surfaces. When there are too many bubbles, it disrupts the optimal cavitation process because these bubbles can absorb some of the energy produced by the ultrasonic waves. As a result, the overall cleaning action is diminished, leading to less effective cleaning. Maintaining the correct level of liquid and ensuring proper operation of the cleaner is essential for achieving the best cleaning results.

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