An example of engineer noise source reduction is to:
a. Provide acoustical barriers between work areas and sound surfaces.
b. Install vibration mounts under equipment.
Move personnel closer to the noise source.
d. a and b.
Generally speaking, when a worker is exposed to steady state noise levels in
excess of _________________ he should wear both earplugs and earmuffs.
a. 60 dB(A).
b. 68 dB(A).
d. 138 dB(A).
Which statement concerning ear protectors is not true?
a. One size earplug will fit all individuals.
b. It is important to keep earplugs clean.
Earplugs should be fitted under medical supervision.
d. Earplugs tend to work loose as a result of chewing and talking.
Which forms are used to record an audiometric examination results?
a. DD Form 2215.
b. DD Form 2A.
DD Form 2216.
d. a and c.