Exam (elaborations)
DoD Hearing Test Questions and Answers
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Exam of 2 pages for the course CAOHC at CAOHC (DoD Hearing Test)
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DoD Hearing TestOSHA prescribes a permissible exposure limit (PEL) of _____ dBA TWA and the DoD prescribes a PEL of____ - answer B. 90/85
What is the term for the actual attenuation an individual receives wearing hearing protectors? - answer D. Personal Attenuation Rating
Adding a muffler to noisy equipment to reduce noise exposure is an example of a/an ____________ control. - answer engineering
Human speech is generally located within this frequency range: - answer 250 - 4000 Hz
When performing a hearing test, the OHC should present the tones for ____ to ____ seconds. - answer 1 - 2
Impulse noise is considered hazardous at what levels? - answer a. ≥ 140 dBP
A bio-acoustic simulator (e.g., ME-500, BIO-JOE, BIO-Betty) is used to: - answer Take the place of a human when performing daily calibration
The area of the ear most affected by noise damage: - answer Inner
Which part of the ear mechanically amplifies sound? - answer middle ear
The term Hertz describes the________ of a sound. - answer frequency
The audiometric configuration most consistent with noise induced hearing loss is: - answer sloping/notched
The daily calibration check is documented on the DD _____. - answer 2217
The main purpose of monitoring audiometry in the Army hearing program is: - answer to identify threshold shifts due to noise exposure
One significant difference between OSHA and DoD hearing conservation programs is that the DoD uses a ____ dB SPL time-intensity exchange rate where OSHA prescribes
a _____ dB SPL time-intensity exchange rate. - answer
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