Ashleigh Picken
Quiz by , created more than 1 year ago

level 2 Materials & Mehods 2 Quiz on Interior Finishes - Acoustics & Interior Finishes - Light Gauge Steel Framing, created by Ashleigh Picken on 28/03/2016.

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Ashleigh Picken
Created by Ashleigh Picken about 8 years ago
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Interior Finishes - Acoustics & Interior Finishes - Light Gauge Steel Framing

Question 1 of 18

1

Acoustical and noise control concerns exist in almost every modern building

Select one of the following:

  • True
  • False

Explanation

Question 2 of 18

1

Most commonplace acoustical issues are resolved using a consultant's assistance?

Select one of the following:

  • True
  • False

Explanation

Question 3 of 18

1

An acoustical consultant is usually required for the design of a concert hall or to solve a complicated noise problem.

Select one of the following:

  • True
  • False

Explanation

Question 4 of 18

1

Most sound is non-complex, generally consisting of continum of frequencies.

Select one of the following:

  • True
  • False

Explanation

Question 5 of 18

1

Sound is the ear’s response to pressure fluctuations in the air caused by

Select one of the following:

  • a vibrating object

  • a back and forth motion of air particles

  • none of the above

Explanation

Question 6 of 18

1

The lower the TL of an assembly, the greater the sound insulation provided by it

Select one of the following:

  • True
  • False

Explanation

Question 7 of 18

1

The STC of an assembly can be improved if we make it heavier

Select one of the following:

  • True
  • False

Explanation

Question 8 of 18

1

STC of a 2 x 4 wood stud wall with ½” gypsum board each side = 37. To improve it, we can…

Select one of the following:

  • Add fibrous insulation

  • Add Foam board

  • Add Structural insulated panels

Explanation

Question 9 of 18

1

NRC stands for

Select one of the following:

  • Noise Reduction Corollary

  • Noise Reduction Coefficient

  • NO RICE CATHY!

Explanation

Question 10 of 18

1

Sound originating within a room can only be reduced by using sound-absorbing materials

Select one of the following:

  • True
  • False

Explanation

Question 11 of 18

1

Sound-absorbing materials(acoustical materials) have a sound-absorption co-efficient of

Select one of the following:

  • <0.2

  • >0.2

  • >0.4

  • <0.4

Explanation

Question 12 of 18

1

The sound-absorptive coefficient of an assembly =

Select one of the following:

  • the sound energy that is NOT reflected by the assembly divided by the total sound energy falling on the assembly

  • the sound energy that IS reflected by the assembly divided by the total sound energy falling on the assembly

Explanation

Question 13 of 18

1

A closed window is the perfect acoustical absorber because it does not reflect any sound

Select one of the following:

  • True
  • False

Explanation

Question 14 of 18

1

The sound pressure that corresponds to the sensation of pain in the ear is approx

Select one of the following:

  • 20 PA

  • 30 PA

  • 10 PA

Explanation

Question 15 of 18

1

Although sound pressures are small, their range is extremely large

Select one of the following:

  • True
  • False

Explanation

Question 16 of 18

1

Massive heavyweight assemblies are horrible sound insulators

Select one of the following:

  • True
  • False

Explanation

Question 17 of 18

1

Fill the blank spaces to complete the text.

What are the 3 basic framing members , ,

Explanation

Question 18 of 18

1

Light gauge steel members are increasingly used as blocking/backing for handrails, upper cabinets, or any other secured material or assembly

Select one of the following:

  • True
  • False

Explanation

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