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[DOC File]Semper Safe - United States Marine Corps
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So just how loud is 84 dB. Here are some examples of various noise levels for comparison that you may experience; normal conversation at 3-5 ft 60-70 dB; battery powered drill 71 dB; dial tone of telephone 80 dB; heavy duty stapler 97dB; power mower 107 dB; power saw 110 dB, wood planer 110 dB; M16A2 rifle and M9 pistol 157 dB; HMMWV at idle 78 ...
what is 65 db noise level

[DOC File]Physics Worksheet – Unit 4 - Georgetown ISD
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When the decibel level of traffic in the street goes from 40 to 60 dB, how much greater is the intensity of noise? (hint: page 490) If two flutists play their instruments together at the same intensity, is the sound twice as loud? Why or why not? (hint: page 490 Think about Intensity vs. Relative Intensity)
69db noise level

Levels Of Noise In Decibels (dB) Level Comparison Chart ...
33 rows · 46-70 dB, Average. One-fourth as loud as 70 dB. 60: Conversational speech, Air conditioner: Half as loud as 70 dB. Fairly quiet: 70: Shower, Dishwasher: The arbitrary base of comparison. The Upper 70s are annoyingly loud to some people. 75: Toilet flushing, Vacuum cleaner: 70-85 dB, Moderate. 80: Alarm clock, Garbage disposal: 2 times as loud ...
how loud is 150 db

Noise Ordinance - Wilmington, NC
Downtown area: 75 dB(A) (daytime level) between the hours of 7:00 a.m. and 11:00 p.m., or 65 dB(A) between the hours of 11:00 p.m. and 7:00 a.m. On Friday and Saturday, the daytime level shall remain in effect until 12:00 midnight. Between the hours of 12:00 midnight and 2:00 a.m. Saturday and Sunday, the nighttime level shall be 70 dB(A).
how loud is 67 db

[DOCX File]KS3 8L Phx EQ 39marks ience.org - Home
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70. Disco (at the front) 110. Normal talking. 60. Personal stereo (loud) 100. Vacuum cleaner. 80. Whisper. 20. Sounds up to 80 dB cause no damage to hearing, no matter how long you listen to the sound. They are described as ‘safe sounds’. ... to give the maximum time you should listen to a loud …
how loud is 60db

[DOC File]HOW CAN I TELL IF I HAVE A HEARING LOSS
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How can I tell if the music IS too loud? Sound intensity is measured in decibels (dB). Unfortunately IPODs, walkmans and stereos don’t often display sound levels in decibels. Damaging sound levels start above 84dB and are dependent on the length of time you are exposed. As sound gets louder, safe exposure time gets shorter.
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[DOC File]16-25 dB HEARING LOSS
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56-70 dB HEARING LOSS Possible Impact on the Understanding of Language and Speech Possible Social Impact Potential Educational Accommodations and Services Even with hearing aids, child will typically be aware of people talking around him/her, but will miss parts of words said resulting in difficulty in situations requiring verbal communication ...
how loud is 74 db

[DOC File]Table 3
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Very Loud 80 dB = blender, alarm clock, busy street. 70 dB = busy traffic, vacuum cleaner. 60 dB = conversation, dishwasher. Moderate 50 dB = office, urban residence, moderate rainfall. 40 dB = quiet room, library, whisper at 3’ Faint 30 dB = whisper, suburban residence at night. 20 dB = leaves rustling
how loud is 75 db

How loud is 70 db