Deck 22: Noise and Vibration Hazards

Question 1

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

Answer 1

True

Question 2

The exchange rate is the relationship between intensity and dose.

Answer 2

True

Question 3

Noise is any sound above 10 decibels.

Answer 3

False

Question 4

Which of the following are considered critical noise factors?

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

Question 5

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

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

Question 6

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

Question 7

A dosimeter is an instrument used to measure hearing loss.

Question 8

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

Question 9

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

Question 10

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

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

Question 11

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

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

Question 12

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

Question 13

Vibration is inaudible and perceived through the sense of touch.

Question 14

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

Question 15

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

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

Question 16

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

Question 17

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

Question 18

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

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

Question 19

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