Deck 35: Fire Rated and Acoustical Considerations

Question 1

An STC of 45 can be increased to 49 by including ____ insulation.

A) fiberglass
B) wood
C) wool
D) foam

Answer 1

A

Question 2

The spaces between the studs are closed off with ____ at each level.

A) party walls
B) insulation
C) firestops
D) caulking

Answer 2

C

Question 3

Type ____ wallboard is a special fire-rated wallboard.

A) a
B) q
C) x
D) z

Answer 3

C

Question 4

The most obvious way in which a wall, floor, ceiling, or roof can slow the spread of fire is by having a fire-resistant ____.

A) alarm
B) fill
C) surface
D) core

Question 5

Fire-rated doors are ____ allowed to have a slightly lower rating than the walls in which they are installed.

A) seldom
B) often
C) always
D) never

Question 6

The Town House party walls have stricter fire-resisting requirements in some places than in others.

Question 7

Openings are rarely avoided in fire-rated walls.

Question 8

Multifamily buildings are constructed the same way as single-family buildings in most respects.

Question 9

The sound transmission classification of a wall can be improved greatly by allowing the studs to contact both surfaces.

Question 10

Party walls are often required to have double thicknesses of ____ on each side.

A) plywood
B) gypsum wallboard
C) paint
D) caulking

Question 11

A wall that is shared by two living units in a multifamily structure is called a ____ wall.

A) complex
B) joint
C) distinction
D) party

Question 12

Instead of wood firestops, the wall cavity can be blocked off with fire-resistant ____ insulation.

A) polyester
B) steel wool
C) fiberglass
D) plaster

Question 13

The principles that are used to stop the flow of sound through walls also apply to the floor/ceiling assembly, and wall construction is same for floor/ceiling construction.

Question 14

To prevent vertical flame spread, stud spaces are not permitted to be more than ____ high.

A) 36 inches
B) 10 feet
C) one story
D) two stories

Question 15

An STC of 45 is achieved without clips by using 2 x 4 studs and 2 x 6 plates.

Question 16

Sound is transmitted by ____ in any material.

A) vibrations
B) electrons
C) temperature changes
D) neutrons

Question 17

The word acoustic is often used when talking about sound control and simply means having to do with sound or hearing.

Question 18

Approved fire ____ or fill must be used at all utility-line fire-rated wall penetrations.

A) caulking
B) board
C) fiberglass
D) cement

Question 19

The terms party wall and area-____ wall are often used interchangeably.

A) defining
B) joining
C) separation
D) distinction

Question 20

The measurement of the capability of a building element to reduce the passage of sound is its ____ (STC).

A) sound transmission classification
B) sound transmission correlation
C) sound tampering classification
D) sound tampering correlation

Question 21

A rating of _________ IIC for the floor would be the most satisfying for individuals.

A) 45
B) 55
C) 65
D) 35

Question 22

Varying degrees of fire resistance can be achieved by using a second layer of fire-rated ______ on one or both sides of the wall.

A) drywall
B) putty
C) raceways
D) clips

Question 23

Using clips and sound-deadening fiberboard results in an STC rating of ____.

A) 40
B) 48
C) 50
D) 52

Question 24

Sound is transmitted by __________ in any material: solid, liquid, or gas.

A) waves
B) vibrations
C) noise
D) energy