BUNDLE OF CAOHC Exam Questions with Complete exams | Questions with 100% Correct Answers

what does LASMax mean? what is the limit? - A-weighted slow response 115 dB what SLM does ANSI require for area sound level maps? how far away is the A-weighted sound level measured from the equipment in the area of concern? - - type 2 SLM (+/- 2 dB) - 3ft or 1 meter

OHC's should suggest likely pathologies for a hearing loss only if asked by subjects: - false which of the following is NOT a common non-occupational source of harmful noise? - a. motorcycles b. carpentry c. guns d. lawn equipment e. NONE OF THE ABOVE

THE TECHNICAL TERM FOR EARWAX IS ___________________ (IT CAN SOMETIMES INTERFERE WITH THE COMFORT AND PROPER USE OF EARPLUGS AS WELL AS HEARING TEST RESULTS). - CERUMEN INSIDE THE MIDDLE EAR ARE SITUATED THREE SMALL BONES CALLED - THE OSSICLES WHOSE NAMES ARE THE MALLEUS, INCUS AND STAPES THE F...

DOD PEL - greater than or equal to 85 dBA TWA for 8 hours or greater than or equal to 140 dBP impulse noise OSHA PEL - greater than or equal to 90 dBA for 8 hr or 140 dBP impulse noise

Inverse square law for noise - For every doubling of distance away from a noise source you reduce the level by 6 dB Noise doubling rule - If you add two identical noise sources you add 3dB to the Level (100 dB + 100 dB = 103 dB) Administrative noise controls - Changes made by employer such as ch...

NIOSH recommends against using age correction: - true A bio-acoustic simulator is used to: - Take the place of a human when peforming daily calibration Which of the following is MSHA's reporting criterion? - The hearing level average change at 2K, 3K, and 4K is greater or equal to 25 dB worse th...