Podcast
Questions and Answers
What is the purpose of a continuous NIC (C-NIC) measurement in acoustic control?
What is the purpose of a continuous NIC (C-NIC) measurement in acoustic control?
- To assess the frequency of noise at the source
- To evaluate transmission conditions through a barrier between two spaces in real-time (correct)
- To measure the reverberation time in a room
- To compare noise levels inside and outside a building
What can barriers, screens, or deflectors in the noise path help achieve?
What can barriers, screens, or deflectors in the noise path help achieve?
- Reduce high-frequency noise more than low-frequency noise (correct)
- Increase the transmission of noise
- Have no impact on noise reduction
- Only reduce low-frequency noise
How does lining the inside surfaces of ducts, pipes chases, or electrical channels with sound-absorbing materials affect noise transmission?
How does lining the inside surfaces of ducts, pipes chases, or electrical channels with sound-absorbing materials affect noise transmission?
- Has no effect on noise transmission
- Reduces noise transmission at high frequencies only
- Reduces noise transmission effectively (correct)
- Increases noise transmission
How does the height of a barrier affect its effectiveness in reducing noise transmission?
How does the height of a barrier affect its effectiveness in reducing noise transmission?
What aspect is important for reducing middle and high frequency noise according to the text?
What aspect is important for reducing middle and high frequency noise according to the text?
What is a possible application of acoustic absorption devices/lining according to the text?
What is a possible application of acoustic absorption devices/lining according to the text?
In addition to machine noise reduction, what other benefit can acoustical treatment provide?
In addition to machine noise reduction, what other benefit can acoustical treatment provide?
What is the main advantage of using deflectors as a means of noise reduction?
What is the main advantage of using deflectors as a means of noise reduction?
How do resilient materials contribute to acoustic control according to the text?
How do resilient materials contribute to acoustic control according to the text?
