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</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</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</p> Signup and view all the answers

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

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

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

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

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