REHS Exam – Noise fully solved graded A+ already passed 2023
REHS Exam – Noise fully solved graded A+ already passed 2023Sound - correct answer Amplitude: loudness Frequency: pitch Time pattern Loses energy as it travels Noise - correct answer unwanted sound Noise pollution - correct answer noise that has characteristics and duration injurious to public health & welfare -unreasonably interferes with life and property Decibel - correct answer express intensity of sound Noise level - correct answer measurement in dBA by sound meter dB scales - correct answer dBA: loudness in normal situations dBC: loudness in noisy situations dBD: effect of airplane noise Combining 2 sound sources - correct answer difference between sound level 0 difference: add 3 10 difference: insignificant Noise dosimeter - correct answer measures amount of potentially injurious noise exposure over time
Written for
- Institution
- REHS
- Course
- REHS
Document information
- Uploaded on
- June 27, 2023
- Number of pages
- 2
- Written in
- 2022/2023
- Type
- Exam (elaborations)
- Contains
- Questions & answers
Subjects
- sound
- noise
- noise pollution
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rehs exam – noise fully solved graded a already p
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