Noise Flashcards
1
Q
What is max. continuous noise level permitted by OSHA? How long could a worker be exposed to this level?
A
115 dBA
7.5 minutes
2
Q
This term is used to describe the “center frequency”. It is the geometric mean of its “upper and lower band-edge frequencies.
( 2 words )
A
Octave Band
3
Q
What is the speed of sound in air? (ft/sec)
A
1,130 ft. / sec.
4
Q
At approximately what dB level would a person experience pain?
A
140 - 145 dB
