0
Add your answer:
Earn +20 pts
What is the allowable noise exposure for one hour a day?
"Permitted Exposure Time Guidelines - SPL"Sound pressure level Lp and permissible exposure time t:115 dB = 0.46875 minutes (~30 sec)112 dB = 0.9375 minutes (~1 min)109 dB = 1.875 minutes (< 2 min)106 dB = 3.75 minutes (< 4 min)103 dB = 7.5 minutes100 dB = 15 minutes97 dB = 30 minutes94 dB = 1 hour91 dB = 2 hours88 dB = 4 hours85 dB = 8 hours82 dB = 16 hoursLower dBs are said to be harmless
What are the mean median mode and range of the following 5 numbers 45 96 34 45 50?
mean = 270 divided by 5 = 54 median = 45 mode = 45
What is .75 in minutes?
If you mean .75 of an hour then it is 45 minutes
Exposure time is usually expressed in units of?
Time is usally expressed in hours, minutes, or seconds. "Permitted Noise Exposure Time Guidelines - SPL" Sound pressure level Lp and permissible exposure time t: 115 dB = 0.46875 minutes (~30 sec) 112 dB = 0.9375 minutes (~1 min) 109 dB = 1.875 minutes (< 2 min) 106 dB = 3.75 minutes (< 4 min) 103 dB = 7.5 minutes 100 dB = 15 minutes 97 dB = 30 minutes 94 dB = 1 hour 91 dB = 2 hours 88 dB = 4 hours 85 dB = 8 hours 82 dB = 16 hours Lower dBs are said to be harmless
What is the number XLV mean?
45
What is 45 percent in decibels?
100 percent is 0 dB.50 percent is - 6 dB.45 percent is -6.935749724 dB.10 percent is - 20 dB.
How loud is 45 - 50 decibels?
The sound pressure of 45 dB is about a quiet library and 50 dB is about an everage home.
What does dB in noise?
dB mean Decibel.
How loud is 45 dB?
45 dB is considered a quiet level of noise, similar to a soft conversation or the sound of a library. It would not typically be disruptive to daily activities.
What does 925 DB on jewelry mean?
What does DB 3 925 CN mean
What is dB mean in signal amplifier?
dB is the abbreviation of Decibel
What is DB mean on a college transcript?
what does DB stand for on grades
Is 45 db loud?
45 dB is generally considered to be a moderate noise level, similar to a quiet office or library. It is not loud by most standards and is unlikely to cause discomfort or damage to your hearing in the short term.
What does db mean on a military id card?
'DB' is short for 'Date of Birth.'
What does db mean in softball?
designated batter
What does the abbreviation DB mean in a text?
database
What does DB stamp mean on a ring?
no lead
