Ready to test your Knowledge?
Try out our new practice tests completely free!
exam preparation banner icon

Occupational Health

Health & Kinesiology

Quiz 23 :

Noise and Vibration Hazards

Quiz 23 :

Noise and Vibration Hazards

search
arrow
Sound is any change in pressure that can be detected by the ear.
Free
True False
Answer:

Answer:

True

arrow
If the maximum permitted exposure level for an 8-hour workday is 87 dB(A), with an exchange rate of 2 dB, what is the exposure limit for 2 hours?
Free
Multiple Choice
Answer:

Answer:

A

arrow
Hand-arm vibration syndrome (HAV) is a form of Raynaud's syndrome that afflicts workers who use vibrating power tools frequently over time.
Free
True False
Answer:

Answer:

True

arrow
The fundamental hazard associated with excessive noise is hearing loss.
True False
Answer:
arrow
The unit of measurement for sound is the decibel, or one-tenth of a bel.
True False
Answer:
arrow
Noise can be eliminated at its source by enclosing the source.
True False
Answer:
arrow
Legislation in each Canadian jurisdiction requires that employees be protected from excessive noise in the workplace.
True False
Answer:
arrow
Which hearing protection device provides the best filtering of a broad range of frequencies?
Multiple Choice
Answer:
arrow
Sound and vibration are very similar. Which of the following statements are true?
Multiple Choice
Answer:
arrow
Medical professionals have not yet established a procedure for determining if there is a causal relationship between workplace noise and hearing loss.
True False
Answer:
arrow
As the duration of the exposure is decreased, the permissible level is decreased.
True False
Answer:
arrow
What sound level would most likely be encountered in a quiet office setting?
Multiple Choice
Answer:
arrow
Fit testing is an important prerequisite for effective noise protection.
True False
Answer:
arrow
To decrease the risk of hearing loss, exposure to noise should be limited to a maximum 8-hour, time-weighted average of 90 dB(A).
True False
Answer:
arrow
In most Canadian jurisdictions, what level of dB(A) is considered the maximum limit of continuous exposure over eight hour days without protection?
Multiple Choice
Answer:
arrow
Conducting noise surveys involves measuring noise levels at different locations in the workplace.
True False
Answer:
arrow
The exchange rate indicates the increase in sound level that is permitted as the time of exposure is doubled.
True False
Answer:
arrow
The threshold of hearing is the maximum level of sound that can be perceived without experiencing pain.
True False
Answer:
arrow
The human ear is most sensitive at about 500 Hz.
True False
Answer:
arrow
Lex. This is an abbreviation for average exposure level adjusted for an 8-hour day.
True False
Answer:
Showing 1 - 20 of 25