Environment II QUIZ 3
Soundproofing and Acoustics Quiz
Test your knowledge on soundproofing techniques and acoustic performance with this engaging quiz! Dive into essential concepts related to damping methods, plumbing noise, and sound transmission classifications.
Whether you're a student, teacher, or just an enthusiast, this quiz will help reinforce your understanding of key acoustics principles. Topics include:
- Damping methods
- Combating plumbing noise
- Transmission loss and sound ratings
What are some Damping methods? Check ALL Items that apply.
Damping at point of impact: neoprene isolators, carpet, cork underlayment. Thicker is better.
Damping between a hard surface and a structural surface: Resilient underlayment.
Damping between the structural floor and ceiling below. Decoupling the ceiling from the structure with spring hangers/resilient channels
Insulation in ceiling cavity; address flanking
Check Items that are TRUE What are some ways of combating Plumbing Noise?
Do not install plumbing
Isolate toilet rooms in the building core
Provide back-to-back plumbing chases for toilet room fixtures
Three main qualities of a sound-isolating assembly:
Flanking, Structurally Continuous, Airtight
Flanking, Absorption, Massive
Massive, Airtight, Absorption
Airtight, Massive, Structurally Continuous
Airtight, Massive, Structurally Discontinuous
A wall, floor or ceiling assembly will only perform acoustically as well as its weakest link.
True
False
Published acoustic performance data, while helpful in making comparisons, is only a description of the performance of the wall or floor ceiling absent flanking.
True
False
Sound Absorbing insulation is no substitute for (blank)
Air tightness
Mass and air tightness
Mass
What is Transmission Loss?
Quantifies the airborne-sound-insulating properties of building elements
Quantifies the airborne-sound-insulating properties of building elements and evaluates effectiveness of building design
A single number rating assigned to an assembly's ability to resist vibration
What is Sound Transmission Class (STC) Rating
A single number rating assigned to an assembly's ability to resist Noise Transmission.
A single number rating assigned to an assembly's ability to resist Reverberation.
A single number rating assigned to an assembly's ability to resist Vibration.
A single number rating assigned to an assembly's ability to resist a variety of Frequencies.
Check Items that are TRUE for Sound Transmission
STC must be measured (laboratory tested) for accuracy, rather than calculated
STC measures assemblies.
The higher an assembly's STC rating, the more effective the assembly is at preventing the sound transmission.
The typical range of STC numbers is between 30 and 70
STC is all about assemblies
What is the difference between NRC and the STC?
NRC is within a room, and is all about assemblies; STC is room to room, and is all about surfaces
NRC is within a room, and is all about surfaces; STC is room to room, and is all about assemblies
NRC is room to room, and is all about surfaces; STC is within a room, and is all about assemblies
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