Free CAOHC Hearing Protection Devices Questions and Answers

Question 1

What is the primary function of hearing protection devices (HPDs)?

Accepted Answer

To reduce noise exposure to safe levels

Answer

To eliminate all noise in the workplace

Answer

To enhance communication among workers

Answer

To improve overall job performance

Question 2

Which type of hearing protection device generally offers the highest Noise Reduction Rating (NRR)?

Accepted Answer

Double protection (using both earplugs and earmuffs)

Answer

Foam earplugs

Answer

Pre-molded earplugs

Answer

Earmuffs

Question 3

What should be done if an employee finds their hearing protection uncomfortable?

Accepted Answer

They should try a different type or size of hearing protection device

Answer

They should stop using the protection altogether

Answer

They should use only one earplug

Answer

They should reduce their working hours

Question 4

How often should hearing protection devices be inspected and maintained?

Accepted Answer

Before each use

Answer

Monthly

Answer

Annually

Answer

Only when they appear to be damaged

Question 5

What is the Noise Reduction Rating (NRR)?

Accepted Answer

A rating that indicates the effectiveness of a hearing protection device in reducing noise

Answer

A measure of the total noise level in the environment

Answer

The decibel level at which hearing protection becomes necessary

Answer

A measure of how well employees can hear instructions