Question 1

A dosimeter is an instrument used to measure hearing loss.

Accepted Answer

A) True 
 B)False  False

Question 2

Which of the following are considered critical noise factors?

Accepted Answer

A) Vibration, impulsivity, and band width 
B) Level, frequency, duration, and distribution 
C) Neither A nor B 
D) Both A and B 
A) Vibration, impulsivity, and band width 
B) Level, frequency, duration, and distribution 
C) Neither A nor B 
D) Both A and B B

Question 3

The exchange rate is the relationship between intensity and dose.

Accepted Answer

A) True 
 B)False  True

Question 4

Noise-induced hearing loss is sensorineural hearing loss attributed to noise for which no other cause can be determined.

Accepted Answer

A) True 
 B)False

Question 5

A baseline audiogram is a noise of constant level measured over at least one second.

Accepted Answer

A) True 
 B)False

Question 6

Hazardous noise is any noise above 20 decibels sustained longer than a minute.

Accepted Answer

A) True 
 B)False

Question 7

For maximum protection of employees, audiograms should be performed when?

Accepted Answer

A) Pre-employment 
B) At termination of employment 
C) Prior to being assigned to a noisy job 
D) All of the above 
A) Pre-employment 
B) At termination of employment 
C) Prior to being assigned to a noisy job 
D) All of the above

Question 8

Which of the following is considered an engineering and administrative control?

Accepted Answer

A) Reduction of reverberation 
B) Audiometric evaluation 
C) Determining whether hazards to hearing exist 
D) None of the above 
A) Reduction of reverberation 
B) Audiometric evaluation 
C) Determining whether hazards to hearing exist 
D) None of the above

Question 9

Passive noise reduction is the reduction of sound transmission using nothing but materials and/or structural elements.

Accepted Answer

A) True 
 B)False

Question 10

A hazard associated with using handheld devices with earbuds in the workplace is mental distraction.

Accepted Answer

A) True 
 B)False

Question 11

Impulse noise is a sound that rises rapidly to a sharp peak and then quickly fades.

Accepted Answer

A) True 
 B)False

Question 12

Attentuation: Real-world Vaseline audiogram is the estimated sound protection provided by hearing protection worn in a "real-world" setting.

Accepted Answer

A) True 
 B)False

Question 13

The use of electronic devices to reduce sound transmission is known as:

Accepted Answer

A) Noise-induced reduction 
B) Active noise reduction 
C) Impulsive noise reduction 
D) None of the above 
A) Noise-induced reduction 
B) Active noise reduction 
C) Impulsive noise reduction 
D) None of the above

Question 14

Identifying and assessing hazardous noise conditions in the workplace involves which of the following?

Accepted Answer

A) Exchange rate 
B) Attenuation 
C) Hearing threshold level 
D) Conducting periodic noise surveys 
A) Exchange rate 
B) Attenuation 
C) Hearing threshold level 
D) Conducting periodic noise surveys

Question 15

A decibel (dB)is the unit used to express the intensity of sound.

Accepted Answer

A) True 
 B)False

Question 16

Noise is any sound above 10 decibels.

Accepted Answer

A) True 
 B)False

Question 17

The goal of fit testing PPE is to ensure that it looks attractive on the worker to encourage workers to wear it.

Accepted Answer

A) True 
 B)False

Question 18

Vibration is inaudible and perceived through the sense of touch.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following is NOT a requirement for hearing conservation in 29 CFR 1910.95?

Accepted Answer

A) Daily program monitoring 
B) Personal hearing protection devices 
C) Engineering and administrative controls 
D) Audiometric evaluation 
A) Daily program monitoring 
B) Personal hearing protection devices 
C) Engineering and administrative controls 
D) Audiometric evaluation

Exam 22: Noise and Vibration Hazards

A dosimeter is an instrument used to measure hearing loss.

Which of the following are considered critical noise factors?

The exchange rate is the relationship between intensity and dose.

Noise-induced hearing loss is sensorineural hearing loss attributed to noise for which no other cause can be determined.

A baseline audiogram is a noise of constant level measured over at least one second.

Hazardous noise is any noise above 20 decibels sustained longer than a minute.

For maximum protection of employees, audiograms should be performed when?

Which of the following is considered an engineering and administrative control?

Passive noise reduction is the reduction of sound transmission using nothing but materials and/or structural elements.

A hazard associated with using handheld devices with earbuds in the workplace is mental distraction.

Impulse noise is a sound that rises rapidly to a sharp peak and then quickly fades.

Attentuation: Real-world Vaseline audiogram is the estimated sound protection provided by hearing protection worn in a "real-world" setting.

The use of electronic devices to reduce sound transmission is known as:

Identifying and assessing hazardous noise conditions in the workplace involves which of the following?

A decibel (dB)is the unit used to express the intensity of sound.

Noise is any sound above 10 decibels.

The goal of fit testing PPE is to ensure that it looks attractive on the worker to encourage workers to wear it.

Vibration is inaudible and perceived through the sense of touch.

Which of the following is NOT a requirement for hearing conservation in 29 CFR 1910.95?

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