Noise Control at Receiver End

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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?

Assessing noise levels (C) Signup and view all the answers

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

Enforcing standards and planning regulations (D) 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?

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

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

Applying seals around vents/plumbing (A) 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?

Thermal Resistance (R-value) (D) Signup and view all the answers

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

Aesthetic appeal (C) Signup and view all the answers

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

Conducting noise monitoring and enforcement of regulations (C) 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?

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

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

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

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

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

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

Gypsum wallboard (B) Signup and view all the answers

Noise mapping is primarily used for which purpose?

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

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

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

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

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

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

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