Ifsta Chpt 4 Building Construction

Front 1

During pre incident planning surveys is when the presence of bowstring trusses is BEST identified. (true/false)

Back 1

TRUE

Front 2

Which temperature do steel trusses begin to fail?

Back 2

1000 degrees

Front 3

Unprotected lightweight steel and wooden trusses can fail after _ to __ minutes of exposure to fire.

Back 3

5 to 10

Front 4

Gussets may be wooden or _____.

Back 4

steel

Front 5

One of the most common types of lightweight construction is masonry trusses. (true/false)

Back 5

FALSE; lightweight wooden trusses

Front 6

The first step that should be taken if building collapse is suspected is to inform _______.

Back 6

Command

Front 7

Improper vertical ___________ can result in structural supports being cut that could weaken the structure.

Back 7

ventilation

Front 8

Smoke coming from the windows and doors is ___ an indicator of pending building collapse.

Back 8

NOT

Front 9

Which term describes the area extending horizontally from the base of the wall to one and one-half times the height of the wall?

Back 9

Collapse zone

Front 10

Buildings of truss construction will succumb to the effects of fire ____ _______ than a heavy timber building.

Back 10

much quicker

Front 11

Proper use of ________ ventilation is considered MOST necessary for slowing the spread of fire in large, open spaces.

Back 11

vertical

Front 12

Historically, which roofing material contributes MOST to fire spread?

Back 12

Wood shakes

Front 13

Heavy fire loading is the presence of large amounts of combustible materials in an area or building. (true/false)

Back 13

TRUE

Front 14

Type _ construction is resistant to collapse from earthquakes due to lightweight and flexibility.

Back 14

Type V

Front 15

Ordinary construction is known as Type _ construction.

Back 15

Type III

Front 16

Which type of construction resists fire spread from the outside but is susceptible to water damage?

Back 16

Type III

Front 17

Noncombustible construction is known as Type II construction (true/false)

Back 17

TRUE

Front 18

Type _ construction confines fire well and is impervious to water damage but is difficult to breach for access or escape.

Back 18

Type I

Front 19

Which construction type resists collapse due to flame impingement of heavy beams?

Back 19

Type IV

Front 20

Which type of construction is known as heavy-timber construction?

Back 20

Type IV

Front 21

Single-family residences or apartment houses of up to seven stories are usually of what construction type?

Back 21

Type V

Front 22

Fire-resistive construction is known as type _ construction.

Back 22

Type I

Front 23

______ is an inorganic product from which plaster and wallboards are constructed.

Back 23

Gypsum

Front 24

What has the comprehensive strength of concrete along with the tensile strength of steel?

Back 24

Reinforced concrete

Front 25

The primary material used for structural support in the construction of large modern buildings is _____.

Back 25

steel

Front 26

The building material known as ____ ____ was commonly used as an exterior surface covering and is typically found only on older buildings.

Back 26

Cast iron

Front 27

A variety of masonry walls are used in the construction of ____ _____, because masonry walls do not burn.

Back 27

Fire walls

Front 28

The most common building material used in North America is wood. (true/false)

Back 28

TRUE

Front 29

What is the main structural member of a truss as distinguished from diagonals?

Back 29

Chord

Front 30

A ___ roof is a pitched roof in which the ends are all beveled so there are no gable walls.

Back 30

Hip

Front 31

Which style roof is a pitched roof that slopes in one direction only from the ridge?

Back 31

Shed roof

Front 32

Girders are horizontal structural members used to support beams or joists. (true/false)

Back 32

TRUE

Front 33

_______ Frame construction is a type of wood-frame construction in which the studs in exterior walls extend from the basement or foundation to the roof.

Back 33

Balloon

Front 34

What is the degradation of concrete called when it was subject to prolonged exposure to high heat?

Back 34

Spalling

Front 35

Beams that span from a ridge board to an exterior wall plate to support roof decking are called?

Back 35

Rafters

Front 36

The top or the bottom horizontal member of a frame wall is known as the _____.

Back 36

Plate

Front 37

A roof's _____ is the ratio of rise-to-span of a roof assembly.

Back 37

Pitch

Front 38

Curtain board is a wooden structural panel formed by gluing and compressing wood strands together under pressure. (true/false)

Back 38

FALSE; Oriented Strand Board

Front 39

Which roof is characterized by steeply sloped facets surrounding a flat or nearly flat center section?

Back 39

Mansard Roof

Front 40

A ____-___ beam us a wooden structural member composed of relatively short pieces of lumber glued and laminated together under pressure to form a long, extremely strong beam.

Back 40

Glue-lam beam

Front 41

A gable roof is a pitched roof characterized by square-cut ends and sides that slope down from the ridge line to the eaves. (true/false)

Back 41

TRUE

Front 42

A nonload-interior wall extending down from a roof or ceiling to limit the horizontal spread of fire and heat is known as?

Back 42

Curtain board

Front 43

The ________ is the open space between the roof and ceiling of a commercial or industrial building.

Back 43

Cockloft

Front 44

What is the horizontal structural component subjected to vertical loads?

Back 44

Beam