Noise Measurement and Control

Question 1

BE is responsible for which part of ACMED

Answer 1

(noise) Assessment
(noise) Control

Question 2

BE HCP Responsibilities

Answer 2

quantify noise hazards
recommend noise control
assess sound booth

Question 3

average sound level or exposure for an 8-hr workday and 40-hr workweek

Answer 3

time-weighted average

Question 4

time-weighted average exposure at which employers must implement a HCP

Answer 4

criterion level (action level)

Question 5

A-weighted sound level at which exposure for a stated time (typically 8-hrs) accumulates 100% noise dose

Answer 5

permissible exposure limits

Question 6

weighted scale for continuous noise, shaped for damage risk criteria to humane ear

Answer 6

dBA

Question 7

weighted scale for continuous noise, used for environments with significant low frequency energy

Answer 7

dBC

Question 8

weighted scale used to measure impulse sounds

Answer 8

dBP

Question 9

AREC Model

Answer 9

anticipate
recognize
evaluate
controls

Question 10

goal of noise assessment

Answer 10

quantify the worker’s noise exposure and determine health risks

Question 11

noise measurement instruments

Answer 11

sound level meters
noise dosimeters

Question 12

conducts area noise source surveys
perform annual booth certification

Answer 12

sound level meters

Question 13

capture individual exposures over a work shift

Answer 13

noise dosimeter

Question 14

determines which control solutions are most feasible and effective

Answer 14

hierarchy of controls

Question 15

hierarchy of controls

Answer 15

(top to bottom)
elimination
substitution
engineering controls
administrative controls
PPE

Question 16

physically remove the hazard

Answer 16

elimination

Question 17

replace the hazard

Answer 17

substitution

Question 18

isolate people from hazard

Answer 18

engineering controls

Question 19

change the way people work

Answer 19

administrative controls

Question 20

protects the worker (last resort)

Answer 20

PPE

Question 21

amount of noise at the ear that comes through hearing protection device

Answer 21

effective noise exposure

Question 22

goal of effective noise exposure

Answer 22

be below 85dB
range of 76-84dB

Question 23

if preferred methods for selecting attenuation are not available use…

Answer 23

Least Preferred method

Question 24

adjustment of the NRr to estimate actual field attenuation

Answer 24

derating