Noise Control at Receiver End
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Questions and Answers

What is an effective method to control structureborne noise in indoor environments?

  • Installing double glazed windows
  • Using earplugs
  • Applying insulation materials like fiberglass (correct)
  • Lubricating equipment

What is a suitable way to control ambient noise in indoor environments?

  • Vibration isolation in machinery
  • Acoustic ceiling tiles (correct)
  • Protective gear for workers
  • Enforcing noise regulations

Which method can help with controlling airborne sounds from noisy machines?

  • Maintaining equipment
  • Using earplugs
  • Installing acoustic louvres (correct)
  • Applying seals around vents

During equipment selection and procurement, what aspect should be assessed to manage noise levels effectively?

<p>Assessing noise levels (C)</p> Signup and view all the answers

Which of the following is a method to control noise conflicts between land uses?

<p>Enforcing standards and planning regulations (D)</p> Signup and view all the answers

Which of the following is the LEAST effective method for reducing standing waves and increasing the absorption coefficient in a room?

<p>Designing the room dimensions to avoid integer-ratio wall lengths (D)</p> Signup and view all the answers

What action can help reduce flanking noise transmission in indoor environments?

<p>Applying seals around vents/plumbing (A)</p> Signup and view all the answers

Which of the following metrics is LEAST likely to be considered in the design or retrofit of a building for improved sound insulation?

<p>Thermal Resistance (R-value) (D)</p> Signup and view all the answers

Which of the following is the LEAST important consideration in the design of an effective noise barrier?

<p>Aesthetic appeal (C)</p> Signup and view all the answers

Which of the following is the LEAST effective method for managing outdoor noise pollution from transportation sources?

<p>Conducting noise monitoring and enforcement of regulations (C)</p> Signup and view all the answers

Which of the following is the LEAST effective way to ensure compliance with noise emission regulations for construction machinery?

<p>Encouraging citizens to participate in local noise control decisions (C)</p> Signup and view all the answers

Which of the following is the LEAST important consideration in the urban planning process for mitigating noise pollution?

<p>Mapping and monitoring noise levels across different land uses (D)</p> Signup and view all the answers

Which of the following is NOT an effective noise control technique at the source?

<p>Deliberately allowing mechanical parts to become worn and unlubricated (D)</p> Signup and view all the answers

Which of these materials would be LEAST effective for indoor noise absorption?

<p>Gypsum wallboard (B)</p> Signup and view all the answers

Noise mapping is primarily used for which purpose?

<p>Measuring sound levels across an area to identify hotspots (C)</p> Signup and view all the answers

Which technique helps control noise along the transmission path between the source and receiver?

<p>Applying sound-absorbing materials to duct linings (C)</p> Signup and view all the answers

What is the purpose of establishing routine inspection and maintenance schedules for machinery?

<p>To identify and fix potential noise issues early (A)</p> Signup and view all the answers

Which combination of techniques is considered the best approach to noise control according to the information provided?

<p>A tailored mix of source, path, and receiver controls (A)</p> Signup and view all the answers

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