CRCST Practice Exam

Question: 1 / 400

How do ultrasonic cleaners clean objects?

By Agitation

By Brushing

By Cavitation

Ultrasonic cleaners clean objects by a process called cavitation. Cavitation is the formation and then immediate implosion of microbubbles in the cleaning solution. This implosion creates intense localized pressures and high temperatures, which help to dislodge and remove dirt, debris, and contaminants from the surfaces of the objects being cleaned. Agitation, brushing, and immersion are all common methods used in various cleaning processes, but cavitation is specifically how ultrasonic cleaners operate to achieve thorough and effective cleaning results.

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By Immersion

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