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Questions and Answers
Which of the following is NOT a component involved in the perception of sound?
Which of the following is NOT a component involved in the perception of sound?
- Preceptor (correct)
- Vibrating object
- Transmission medium
- Receiver
What is the potential harm caused by noise levels above 120 dB?
What is the potential harm caused by noise levels above 120 dB?
- Unknown harm to your hearing
- Immediate harm to your hearing (correct)
- Damage to your hearing over time
- No harm to your hearing
Which scale is used to measure aircraft engine noise?
Which scale is used to measure aircraft engine noise?
- C scale
- B scale
- D scale (correct)
- A scale
What does the letter 'A' indicate in decibel ratings?
What does the letter 'A' indicate in decibel ratings?
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Which of the following is NOT one of the scales used in decibel ratings?
Which of the following is NOT one of the scales used in decibel ratings?
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