Manufacturing Skill Standards Council (MSSC) Safety Assessment Practice Test

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Prepare for the MSSC Safety Assessment Exam. Utilize study materials and tackle multiple choice questions with guidance on each answer. Set yourself up for success!

Practice this question and more.

When should earplugs be replaced?

When they are no longer covered by the warranty
When they are no longer pliable
When they become rigid
When they are inflexible

The correct answer is: When they are no longer pliable

Earplugs should be replaced when they are no longer pliable because pliability is essential for achieving a proper seal in the ear canal. When earplugs lose their pliability, they may not fit properly, reducing their effectiveness in blocking out harmful noise levels. A good seal is crucial to protect hearing and ensure comfort. Therefore, if earplugs are stiff or rigid, they are less likely to offer adequate protection, which makes it important to replace them before they become ineffective. While other options refer to the condition of the earplugs, they do not directly address the crucial characteristic needed for their function. Maintaining pliability ensures that they can adapt to the ear's shape while providing the necessary safety and comfort.