Quiz
Interior Finishes - Acoustics & Interior Finishes - Light Gauge Steel Framing
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Perguntas do quiz (18)
1Acoustical and noise control concerns exist in almost every modern building
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2Most commonplace acoustical issues are resolved using a consultant's assistance?
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3An acoustical consultant is usually required for the design of a concert hall or to solve a complicated noise problem.
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4Most sound is non-complex, generally consisting of continum of frequencies.
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5Sound is the ear’s response to pressure fluctuations in the air caused by
- Aa vibrating object
- Ba back and forth motion of air particles
- Cnone of the above
6The lower the TL of an assembly, the greater the sound insulation provided by it
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7The STC of an assembly can be improved if we make it heavier
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8STC of a 2 x 4 wood stud wall with ½” gypsum board each side = 37. To improve it, we can…
- AAdd fibrous insulation
- BAdd Foam board
- CAdd Structural insulated panels
9NRC stands for
- ANoise Reduction Corollary
- BNoise Reduction Coefficient
- CNO RICE CATHY!
10Sound originating within a room can only be reduced by using sound-absorbing materials
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11Sound-absorbing materials(acoustical materials) have a sound-absorption co-efficient of
- A<0.2
- B>0.2
- C>0.4
- D<0.4
12The sound-absorptive coefficient of an assembly =
- Athe sound energy that is NOT reflected by the assembly divided by the total sound energy falling on the assembly
- Bthe sound energy that IS reflected by the assembly divided by the total sound energy falling on the assembly
13A closed window is the perfect acoustical absorber because it does not reflect any sound
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14The sound pressure that corresponds to the sensation of pain in the ear is approx
- A20 PA
- B30 PA
- C10 PA
15Although sound pressures are small, their range is extremely large
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16Massive heavyweight assemblies are horrible sound insulators
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17What are the 3 basic framing members [blank_start]_____________[blank_end], [blank_start]_______________[blank_end], [blank_start]_____________.[blank_end]
- AStuds & joists
- BChannels
- CTracks
18Light gauge steel members are increasingly used as blocking/backing for handrails, upper cabinets, or any other secured material or assembly
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Informações
- Descrição
- level 2 Materials & Mehods 2 Quiz sobre Interior Finishes - Acoustics & Interior Finishes - Light Gauge Steel Framing, criado por Ashleigh Picken em 28-03-2016.
- Autor
- Ashleigh Picken
- Idioma
- English
- Visualizações
- 13
- Etiquetas
- Avaliação
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