Chapter 16 Flashcards by Caitlin Untinen

What is the most common building material used in North America? (783) [5.3.2]

A. Metal
B. Wood
C. Masonry
D. Composite materials

B. Wood

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Which factors affect how wood burns in a fire? (783) [5.3.2]

A. Fasteners used and grade
B. Size and moisture content
C. Cost and construction type
D. Grain pattern and milling process

B. Size and moisture content

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What kind of wood needs to be protected by gypsum drywall or other insulation to increase its resistance to heat or fire? (783) [5.3.2]

A. Lumber of larger dimensions
B. Lumber from old growth trees
C. Lumber of smaller dimensions
D. Lumber from new growth trees

C. Lumber of smaller dimensions

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Fire and exposure to high temperatures has: (784) [5.3.2]

A. Minimal effect on masonry
B. Significant effect on masonry
C. Minimal effect on bricks, but significant effect on concrete
D. Minimal effect on concrete, but significant effect on bricks

A. Minimal effect on masonry

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Concrete blocks may crack in a fire: (784) [5.3.2]

A. Which is a sign of imminent structural collapse
B. But usually retain most of their structural stability
C. When the temperature of the fire reaches 4000°F (2200°C)
D. Which is a sign that the wood beneath it has burned completely through

B. But usually retain most of their structural stability

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Which type of metal stands up well to fire and intense heat but may crack or shatter when rapidly cooled with water? (786) [5.3.2]

A. Steel
B. Copper
C. Cast iron
D. Aluminum

C. Cast iron

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Which type of metal is used for decoration in the construction of gates, fences, and balcony railings rather than as a structural support? (786) [5.3.2]

A. Steel
B. Copper
C. Aluminum
D. Wrought iron

D. Wrought iron

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Which building material is the primary material used for structural support in large buildings? (786) [5.3.2]

A. Steel
B. Wood
C. Aluminum
D. Composite materials

A. Steel

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When steel structural members are heated, they: (787) [5.3.2]

A. Spall
B. Crack
C. Elongate
D. Show no effect

C. Elongate

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What building material typically uses fireproofing materials such as sprayed-on concrete or sprayed-on insulation? (787) [5.3.2]

A. Iron
B. Steel
C. Wood
D. Plastic

B. Steel

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When heated, steel structural members can elongate: (787) [5.3.2]

A. But will remain structurally stable
B. And cause rapid growth of the fire
C. And weaken interior but not load-bearing walls
D. And push out load-bearing walls, causing them to collapse

D. And push out load-bearing walls, causing them to collapse

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Which building material is typically used for roofing, gutters, siding, window frames, door frames, and flashing? (788) [5.3.2]

A. Steel
B. Wood
C. Concrete
D. Aluminum

D. Aluminum

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What gives reinforced concrete the compressive strength of concrete and the tensile strength of steel? (788-790) [5.3.2]

A. Multiple layers of concrete
B. Sprayed-on composite coverings
C. Steel shavings poured into concrete
D. Steel reinforcement bars or wire mesh

D. Steel reinforcement bars or wire mesh

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Even though reinforced concrete performs well under fire conditions, it can lose strength through: (790) [5.3.2]

A. Spalling
B. Cracking
C. Elongation
D. Compression

A. Spalling

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What gives gypsum excellent heat-resistance and fire-retardant properties? (790) [5.3.2]

A. Mass
B. Additives
C. High water content
D. Sprayed-on fire retardants

C. High water content

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Interior lath and plaster walls: (790) [5.3.2]

A. Are heat-resistant and fire-retardant
B. Are found in most modern buildings
C. Can decrease fire growth because of density
D. Can conceal fire within the cavity between surfaces

D. Can conceal fire within the cavity between surfaces

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What building material is not typically used for structural support but is used in sheet form for doors and windows? (790) [5.3.2]

A. Glass
B. Plastic
C. Fiberglass
D. Composite materials

A. Glass

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What building material is typically used for insulation between interior/exterior walls and between ceilings and roofs? (791) [5.3.2]

A. Glass
B. Plastic
C. Fiberglass
D. Composite materials

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C. Fiberglass

Which building material is used in many forms, will typically melt, and can contribute to the fuel load? (793) [5.3.2]

A. Glass
B. Plastic
C. Fiberglass
D. Composite materials

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B. Plastic

Which is a typical characteristic of composite or engineered materials? (793) [5.3.2]

A. Low structural strength
B. High structural strength
C. Difficult to manufacture
D. Expensive compared to other materials

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B. High structural strength

What is a characteristic of many engineered wood products such as plywood and particle board? (793) [5.3.2]

A. Fire and heat resistant
B. Do not produce toxic gases
C. Expensive compared to other materials
D. Can rapidly deteriorate under fire conditions

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D. Can rapidly deteriorate under fire conditions

Which type of composite building material is also known as plywood or glulam and is often used for roof and floor decking? (794) [5.3.2]

A. Particle board
B. Synthetic wood
C. Laminated timber
D. Medium density fiberboard

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C. Laminated timber

Which composite building material may be manufactured using urea formaldehyde, which can be a health hazard when it offgasses? (794) [5.3.2]

A. Particle board
B. Synthetic wood
C. Laminated timber
D. Medium density fiberboard

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A. Particle board

Which construction type is not likely to collapse, making the primary concern flying glass from windows or curtain walls? (795) [5.3.2]

A. Type I
B. Type II
C. Type III
D. Type IV

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A. Type I

Which construction type consists of unprotected steel or noncombustible supports that can expand, twist, and constrict during a fire, causing floors and walls to collapse? (795) [5.3.2] A. Type I B. Type II C. Type III D. Type IV

B. Type II

Which construction type may consist of exterior load-bearing masonry walls that can collapse in one piece or crumble? (795) [5.3.2] A. Type I B. Type II C. Type III D. Type V

C. Type III

Which construction type is unlikely to collapse because of the weight-bearing capacity of its large-dimension wood members? (795) [5.3.2] A. Type I B. Type II C. Type III D. Type IV

D. Type IV

Because walls may collapse inward or outward, a collapse zone should be planned at any fire incident involving ______ construction. (795) [5.3.2] A. Type I B. Type II C. Type III D. Type V

D. Type V

Which buildings typically pose a greater risk of collapse? (797) [5.3.2] A. Buildings greater than five stories tall B. Buildings with large amounts of glass C. Buildings that have been recently constructed D. Buildings that are old, improperly maintained, or abandoned

D. Buildings that are old, improperly maintained, or abandoned

One reason that an abandoned building can pose an even greater danger of fire and collapse is that: (797) [5.3.2] A. The building is not protected from the elements B. These buildings are often sabotaged for insurance C. The construction was likely faulty before it was abandoned D. Squatters may alter the interior, including load-bearing supports

D. Squatters may alter the interior, including load-bearing supports ✨You're doing so well!

During which stage of a fire is collapse likely due to the weakened state of structural members and buildup of water from fire suppression? (797) [5.3.2] A. Decay B. Growth C. Incipient D. Fully developed

A. Decay

Building contents can contribute to structural collapse because: (798) [5.3.2] A. Of the added dead weight B. Of the volume of space they occupy C. They can impede hose streams reaching fire areas D. They can reignite easily, hampering fire suppression efforts

A. Of the added dead weight

Which type of building contents are especially dangerous when considering structural collapse? (798) [5.3.2] A. Attic storage B. Garage storage C. Wall furnishings D. Media room equipment

A. Attic storage

What is an indicator of structural instability or collapse? (798) [5.3.2] A. Smoke that is dark in color B. Heavy timber support beams C. Smoke that changes color intermittently D. Little or no water runoff from the interior of the structure

D. Little or no water runoff from the interior of the structure

An indicator of structural instability or collapse is: (798) [5.3.2] A. Varied fire patterns B. Deteriorated mortar between the masonry C. The absence of tie rods that hold walls together D. Fires above floors that support heavy machinery

B. Deteriorated mortar between the masonry

A collapse zone should be established when: (799) [5.3.2] A. A defensive strategy has been adopted B. An offensive strategy has been adopted C. Exposures are adjacent to the building on fire D. Interior operations require additional firefighters

A. A defensive strategy has been adopted

Where is the safest location for defensive operations when a collapse zone has been established? (799) [5.3.2] A. At the side least involved B. At the corner of the building C. At the middle of the building D. Between the middle and corner of the building

B. At the corner of the building

Which is the first action to take when you realize that collapse is imminent? (799) [5.3.2] A. Finish the suppression process B. Establish and clear the collapse zone C. Perform a roll call or personnel accountability report D. Exit the building with your crew and inform Command

D. Exit the building with your crew and inform Command

Which is the third action taken when collapse is imminent? (799) [5.3.2] A. Finish suppression in progress B. Establish and clear the collapse zone C. Perform a roll call or personnel accountability report D. Exit the building with your crew and inform Command

C. Perform a roll call or personnel accountability report

Which of the following provides the most effective fire barriers in a building? (800) [5.3.2] A. Windowless construction B. Older construction buildings C. A lower level of compartmentation D. A higher level of compartmentation

D. A higher level of compartmentation

Which of the following can contribute to fire spread by moving heated air and products of combustion from an involved compartment to other compartments within the structure? (800) [5.3.2] A. HVAC systems B. Exterior staircases C. Communications systems D. Structural support columns

A. HVAC systems

What component of an HVAC system may close and block air flow through the affected ducts? (800) [5.3.2] A. Locks B. Valves C. Dampers D. Detectors

C. Dampers

What is a collapse consideration after extinguishment? (801-802) [5.3.2] A. Protect exposures B. Leave heavy items in place C. Open all windows and doors for ventilation D. Exercise caution when opening or cutting through walls

D. Exercise caution when opening or cutting through walls

Chapter 16 Flashcards

(43 cards)