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DOEHRS-HC TRAINING Exam Questions and Answers
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DOEHRS-HC TRAINING Exam Questions and Answers
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DOEHRS-HC TRAININGWhich Occupational sector accounts for the highest incidence of noise-induced hearing loss?
a. Transportation
b. Construction
c. Mining
d. Manufacturing - Answer-d. Manufacturing
Noise exposures are considered likely to be harmful if shouting is required in order to communicate to a
person ___ feet away.
a. 4
b. 3
c. 2
d. 5 - Answer-b. 3 feet
The primary role of CAOHC is? - Answer-Advocate for comprehensive programs that promote best
practices in occupational hearing conservation.
,Non-auditory effects of unprotected exposure to hazardous noise include all of the following, except:
a. Stress
b. High Blood Pressure
c. Social Isolation
d. tinnitus - Answer-d. tinnitus
The seven elements of a model hearing conservation program are: - Answer-1. Noise measurement
2. noise control
3. audiometric Monitoring
4. hearing protection
5. worker training
6. recordkeeping
7. program evaluation
Frequency of sound is perceived as?
a. pitch
b. tempo
c. harmony
d. loudness - Answer-a. pitch
A decibel is a unit of sound ___ ?
, a. frequency
b. intensity
c. weighting
d. harmonics - Answer-b. intensity
The term Hertz describes the _____ of sound?
a. intensity
b. timbre
c. clarity
d. frequency - Answer-d. frequency
________ _________ reflects the relationship between the allowable exposure time and the noise
intensity level.
a. action level
b. exchange rate
c. noise rating
d. dose level - Answer-a. action level
Impulse noise becomes hazardous at _____.
a. 140 dBP
b. 190 dBP
c. 140 dBA
185 dBP - Answer-a. 140 dBP
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