Hearing Protection Device Fitting Flashcards
6 cards from real CAOHC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Hearing Protection Device Fitting flashcards as text
Which type of hearing protector is generally most appropriate for workers who must frequently enter and exit noisy areas?
Answer: Banded earplugs or earmuffs that can be quickly removed and replaced
Banded earplugs and earmuffs are ideal for intermittent noise exposure because they can be quickly put on and removed.
What should a hearing conservationist check when evaluating the condition of reusable earplugs?
Answer: Flexibility, cleanliness, and whether the material has hardened or cracked
Reusable earplugs must be inspected for material degradation, cleanliness, and maintained flexibility to ensure proper seal.
How does earmuff headband tension affect noise attenuation?
Answer: Decreased headband tension reduces the seal around the ear, lowering attenuation
Headband tension directly affects the seal of the earmuff cushion against the head. Stretched or worn headbands reduce clamping force.
What is the primary advantage of electronic hearing protectors in occupational settings?
Answer: They allow normal conversation and warning signals while blocking hazardous noise levels
Electronic protectors pass through ambient sounds at safe levels while limiting amplification when noise exceeds a threshold.
Why is it important to offer employees a choice of several hearing protector types?
Answer: Individual ear canal anatomy, comfort preferences, and job tasks vary, so no single protector suits everyone
Providing variety accounts for differences in ear anatomy, comfort, job requirements, and personal preferences, which impacts whether employees will consistently wear protection.
What is overprotection in hearing protector selection and why is it a concern?
Answer: Providing so much attenuation that the worker cannot hear speech, alarms, or important sounds
Overprotection occurs when hearing protectors reduce noise so much that the worker is isolated from important sounds, creating safety hazards.