Building Construction Flashcards
- What is the most common material used to achieve the required protection of structural components in Type III buildings?
p. 59
A.) Gypsum
B.) Plastic
C.) Wood
D.) Glass
A.) Gypsum
- Which statement is correct regarding Type I construction?
p. 57
A.) The fuel loads are more likely to be light
B.) The building is less likely to collapse on firefighters
C.) Fires in this type of building are smaller than other
types of construction
D.) Fire fighting will be easy in this type of building
B.) The building is less likely to collapse on firefighters
- Which is the most commonly used method of determining the fire resistance rating?
p. 47
A.) Laboratory testing
B.) Performing real life fire testing
C.) Analytical calculations
D.) Analytical structural fire engineering
A.) Laboratory testing
- Which size joists would be commonly found in the floor construction of a Type III building?
p. 59
A.) 2- X 10-inch (50 mm X 250 mm)
B.) 8- X 10-inch (200 mm X 250 mm)
C.) 6- X 10-inch (150 mm X 250 mm)
D.) 4- X 10-inch (100 mm X 250 mm)
A.) 2- X 10-inch (50 mm X 250 mm)
- Which would best describe a toy store?
p. 63
A.) High structural load and high fire load
B.) Moderate structural load but a high fire load
C.) High structural load but low fire load
D.) Moderate structural load but low fire load
B.) Moderate structural load but a high fire load
- Within what timeframe is a temperature of 1,000 degrees Fahrenheit (538 degrees Celsius) reached when conducting the standard fire-resistance test?
p. 47
A.) 5 minutes
B.) 20 minutes
C.) 10 minutes
D.) 15 minutes
A.) 5 minutes
- In which type of construction is the creation of combustible concealed voids and channels very extensive?
p. 62
A.) Type V
B.) Type IV
C.) Type III
D.) Type II
A.) Type V
- What would the fire rating be if the given assembly failed two hours and twenty minutes into the testing?
p. 49
A.) Two and one quarter hours
B.) One hour
C.) Two and one half hours
D.) Two hours
D.) Two hours
- Which is the only test that is currently universally accepted by building codes?
p. 49
A.) E-119
B.) E-120
C.) E-118
D.) E-121
A.) E-119
- What is the primary fire hazard encountered with Type IV construction?
p. 61
A.) Collapse potential
B.) Pitched rooftops
C.) Massive amount of fuel
D.) Concealed spaces
C.) Massive amount of fuel
- Which is most commonly used standard time-temperature test which satisfies building code requirements for structural fire resistance?
p. 53
A.) NFPA 1001
B.) NFPA 251
C.) NFPA 1301
D.) NFPA 327
B.) NFPA 251
- Which is the most commonly used test to determine combustibility?
p. 54
A.) ASTM E 119
B.) ASTM E 136
C.) ASTM E 120
D.) ASTM E 135
B.) ASTM E 136
- Which of the following information will the standard fire resistance test provide?
p. 50
A.) The extent to which the assembly will generate smoke or other products of combustion
B.) Fire behavior of joints between building elements such as floor-to-wall connections
C.) Measurement of the degree of control or limitation of the passage of smoke
D.) The ability of structural assemblies to carry a structural load and to act as a fire barrier
D.) The ability of structural assemblies to carry a structural load and to act as a fire barrier
- Which testing laboratory publishes the Fire Resistance Directory?
p. 51
A.) Underwriters Laboratories, Inc.
B.) Southwest Research Institute
C.) Intertek Testing
D.) University of California at Berkeley
A.) Underwriters Laboratories, Inc.
- During which centuries was Type IV construction most common?
p. 60
A.) 17th and 18th
B.) 18th and 19th
C.) 20th and 21st
D.) 19th and 20th
D.) 19th and 20th
- What is the normal maximum duration of the fire-resistance testing on a structural specimen?
p. 48
A.) 6 hours
B.) 4 hours
C.) 8 hours
D.) 2 hours
B.) 4 hours
- What can the fire resistance rating of occupancy separations range when required by code?
p. 66
A.) Three to five hours
B.) Four to six hours
C.) One to three hours
D.) Two to four hours
C.) One to three hours
- What do all building codes use to classify buildings?
p. 45
A.) Total area
B.) Fire load
C.) Construction type
D.) Occupancy type
C.) Construction type
- What is the ability of a structural assembly to maintain its load-bearing capacity and structural integrity under fire conditions?
p. 46
A.) Fire aversion
B.) Fire resistance
C.) Fire proofness
D.) Fire rating
B.) Fire resistance
- How many subgroups does the IBC contain within the 10 major occupancy classifications?
p. 65
A.) 18
B.) 32
C.) 12
D.) 26
D.) 26
- Which term refers to the maximum heat that will be released if all the available fuel in a building were consumed?
p. 63
A.) Release load
B.) Consume load
C.) Heat load
D.) Fire load
D.) Fire load
- What fire resistance are bearing walls and columns generally required to have in Type I construction?
p. 55
A.) One to three hours
B.) Two to four hours
C.) Four to six hours
D.) Three to five hours
B.) Two to four hours
- Which material can ASCE/SFPE 29 NOT be used to determine the fire resistance?
p. 52
A.) Structural steel
B.) Reinforced concrete
C.) Clay masonry
D.) Cast iron
D.) Cast iron
- What measurement is used to express the fire resistance rating of a building material?
p. 46
A.) Seconds
B.) Minutes
C.) Days
D.) Hours
D.) Hours
- Which digit indicates the fire-resistance rating of the floor construction in NFPA 220?
p. 54
A.) Fourth
B.) Third
C.) Second
D.) First
B.) Third
- What level of fire resistance are the structural members in a Type II-A building required to possess?
p. 58
A.) One-hour
B.) Four-hour
C.) Three-hour
D.) Two-hour
A.) One-hour
- What is the most common characteristic of unprotected, noncombustible construction?
p. 58
A.) Use of nonreinforced concrete
B.) Use of reinforced concrete
C.) Use of unprotected steel
D.) Use of protected steel
C.) Use of unprotected steel
- Which type of construction has the highest requirements for fire resistance?
p. 54
A.) Type III
B.) Type II
C.) Type I
D.) Type IV
C.) Type I
- What is a fundamental fire concern with Type III construction?
p. 59
A.) Elevated ceilings
B.) Heavy structural members
C.) Pitched rooftops
D.) Concealed spaces
D.) Concealed spaces
- Which of the following is a common method of constructing a Type I building?
p. 57
A.) Unprotected steel
B.) Masonry
C.) Reinforced concrete
D.) Wood frame
C.) Reinforced concrete
- What contributes most of the fuel for the fire in a Type I building?
p. 57
A.) Contents
B.) Structure
C.) Roof materials
D.) Landscaping
A.) Contents
- Which class of fire door is intended to protect openings in stairwells?
p. 171
A.) Class B
B.) Class C
C.) Class D
D.) Class A
A.) Class B
- What is the most significant factor in the rate at which a fuel will burn?
p. 156
A.) Combination of the fuel and available oxygen
B.) Combination of the surface area and available oxygen
C.) Combination of the temperature and available oxygen
D.) Combination of the height and available oxygen
A.) Combination of the fuel and available oxygen
- What do toxic gases and smoke which result from burning interior finishes contribute to?
p. 153
A.) Life hazard
B.) Fuel
C.) Fire growth
D.) Flashover
A.) Life hazard
- What is the concept of providing an area of refuge called?
p. 162
A.) Protecting in place
B.) Sheltering in place
C.) Refuging in place
D.) Moving in place
B.) Sheltering in place
- Which of the following is used with swinging, rolling and sliding fire doors?
p. 174
A.) Fire door linker
B.) Fire door closer
C.) Door holder
D.) Door operator
C.) Door holder
- Which of the following is NOT an allowed fire-resistance rating for a fire wall?
p. 165
A.) 2 hour
B.) 4 hour
C.) 3 hour
D.) 1 hour
D.) 1 hour
- Which is the simplest and oldest operating device for use on a fire door?
p. 174
A.) Fire detector
B.) Fusible link
C.) Smoke detector
D.) Rate of rise detector
B.) Fusible link
- Which type of fire doors is builder’s hardware used on?
p. 172
A.) Rolling
B.) Sliding
C.) Pivoting
D.) Swinging
D.) Swinging
- Which type of fire door is generally required by code to be used for 2-hour rated vertical enclosures?
p. 171
A.) 1 1/2-hour
B.) 3 1/2-hour
C.) 2 1/2-hour
D.) 4 1/2-hour
A.) 1 1/2-hour
- What are the methods of incorporating the size and shape of real rooms into the tunnel test?
p. 160
A.) Room tests
B.) Floor tests
C.) Wall tests
D.) Corner tests
D.) Corner tests
- Which type of enclosure walls can be found in older fire-resistive buildings?
p. 167
A.) Concrete block
B.) Hollow clay tile
C.) Gypsum board with steel studs
D.) Gypsum board with wood studs
B.) Hollow clay tile
- When did evaluation and control efforts over the interior finishes of buildings begin?
p. 154
A.) 1970’s
B.) 1950’s
C.) 1960’s
D.) 1940’s
D.) 1940’s
- Which part of the room is the examination of the role of interior finishes directed?
p. 156
A.) Flooring and lower portions
B.) All areas of the room equally
C.) Ceiling and upper portions
D.) Center of the room alone
C.) Ceiling and upper portions
- What is the maximum flame spread rating allowed?
p. 155
A.) 200
B.) 100
C.) 300
D.) 400
A.) 200
- What is the minimum height of a parapet wall which continues the fire wall through the roof?
p. 165
A.) 22 inches (550 mm)
B.) 20 inches (500 mm)
C.) 18 inches (450 mm)
D.) 24 inches (600 mm)
C.) 18 inches (450 mm)
- What is the maximum fire door rating on a swinging door that is allowed to have louvers installed?
p. 174
A.) 3-hour
B.) 1 1/2-hour
C.) 2-hour
D.) 2 1/2-hour
B.) 1 1/2-hour
- Which of the following is treated as interior finish?
p. 154
A.) Window frames
B.) Countertops
C.) Movable partitions
D.) Chair railing
C.) Movable partitions
- Which class of materials are required to be in the vertical exits of most buildings?
p. 155
A.) Class A
B.) Class D
C.) Class C
D.) Class B
A.) Class A
- What is the technical term used to describe the degree to which fire can spread over the surface of a material?
p. 154
A.) Flame spread characteristics
B.) Surface burning characteristics
C.) Combustion characteristics
D.) Interior finish characteristics
B.) Surface burning characteristics
- Which type of fire-retardant coating forms a thick, noncombustible coating over the surface of the wood?
p. 159
A.) Gas-forming paint
B.) Mineral fiber coating
C.) Mastic
D.) Intumescent paint
C.) Mastic
- Which type of fire door is often found in older industrial buildings?
p. 176
A.) Pivoting
B.) Swinging
C.) Horizontal sliding
D.) Overhead rolling
C.) Horizontal sliding
- What must the separation between the ends of the structural members be when combustible structural members are framed into a masonry fire wall from opposite sides?
p. 165
A.) 6-inch (150 mm)
B.) 8-inch (200 mm)
C.) 2-inch (50 mm)
D.) 4-inch (100 mm)
D.) 4-inch (100 mm)
- Which test was developed to handle materials that may move during the tunnel test such as plastics?
p. 161
A.) NFPA 265
B.) NFPA 274
C.) NFPA 286
D.) NFPA 297
C.) NFPA 286
- What is the typical fire-resistance rating required for enclosure walls?
p. 166
A.) One or two hours
B.) Four or five hours
C.) Three or four hours
D.) Two or three hours
A.) One or two hours
- Which rated fire door may not be subjected to the hose test depending on their intended use?
p. 172
A.) 3/4-hour
B.) 1/2-hour
C.) 1-hour
D.) 1/3-hour
D.) 1/3-hour
- Which type of wall is designed to separate the interior environment from the exterior environment?
p. 168
A.) Fire wall
B.) Curtain wall
C.) Parapet wall
D.) Fire partition
B.) Curtain wall
- What are curtain walls usually supported by?
p. 169
A.) Ceiling system
B.) Interior column
C.) Self-supporting
D.) Building frame
D.) Building frame
- What is the maximum fire door rating that is allowed to have glass panels?
p. 173
A.) 4-hour
B.) 4 1/2-hour
C.) 3-hour
D.) 3 1/2-hour
C.) 3-hour
- What is the primary criterion for acceptability in the testing of fire doors?
p. 172
A.) Door maintains coloration
B.) Door stays in place
C.) Door does not warp
D.) Door remains cool
B.) Door stays in place
- Due to the ease of application, what use may fire-retardant coatings been seen in that is not correct?
p. 159
A.) Reduction of flame spread rating
B.) Protection of coated side
C.) Reduction of surface burning
D.) Structural fireproofing
D.) Structural fireproofing
- Which type of fire protection limits the spread of fire?
p. 161
A.) Assertive
B.) Passive
C.) Active
D.) Reactive
B.) Passive
- Which material has a higher flame spread rating?
p. 157
A.) Treated Douglas fir plywood
B.) Gypsum wallboard
C.) Mineral acoustic tile
D.) Asbestos cement block
C.) Mineral acoustic tile
- What are interior walls used to subdivide a floor which extend from one floor to the underside of a fire-rated ceiling assembly?
p. 166
A.) Fire divider
B.) Fire partition
C.) Fire compartment
D.) Fire wall
B.) Fire partition
- In which type of construction will you find freestanding fire walls most often?
p. 164
A.) Type VI
B.) Type II
C.) Type I
D.) Type III
D.) Type III
- Which term is used in the international community to refer to the exposed interior surfaces of buildings?
p. 153
A.) Interior finish
B.) Interior swath
C.) Interior lining
D.) Interior decoration
C.) Interior lining
- What does code limit the maximum smoke developed rating to?
p. 158
A.) 650
B.) 350
C.) 550
D.) 450
D.) 450
- Which type of wall usually extends from the foundation up to and through the roof of a building to subdivide a building?
p. 163
A.) Party wall
B.) Fire wall
C.) Dividing wall
D.) Lock wall
B.) Fire wall
- What is the rating of a fire door known as?
p. 170
A.) Fire protection rating
B.) Fire deterring rating
C.) Fire-resistance rating
D.) Fire-blocking rating
A.) Fire protection rating
- How long is the Steiner Tunnel Test conducted?
p. 156
A.) 10 minutes
B.) 20 minutes
C.) 25 minutes
D.) 15 minutes
A.) 10 minutes
- Which type of fire door is often used in corridors and stairwell enclosures?
p. 176
A.) Overhead rolling
B.) Swinging
C.) Pivoting
D.) Horizontal sliding
B.) Swinging
1) Masonry is inherently resistive to all the following except – A) Deterioration of mortar joints. B) Weather. C) Fire. D) Insects.
A) Deterioration of mortar joints.
6) After clay is extruded through a rectangular die and sliced by a cutter into the desired size, bricks are then fired in a kiln where they are subjected to temperatures as high as – A) 1000 degrees F. B) 1500 degrees F. C) 2000 degrees F. D) 2400 degrees F.
D) 2400 degrees F.
7) The typical size of a brick is –
A) 21/2x6 x21/4inches.
B) 35/8x75/8 x21/4inches.
C) 31/2x71/2 x21/2inches.
D) 31/2x8 x21/2inches.
B) 35/8x75/8 x21/4inches.
8) What does CMU stand for? A) Concrete masonry unit. B) Cement masonry unit. C) Compressed masonry unit. D) Concrete manufactured unit.
A) Concrete masonry unit.
9) The most common size concrete block is the nominal ____ block.
A) 5 x 5 x 12 inches.
B) 6 x 6 x 12 inches.
C) 8 x 8 x 16 inches.
D) 10 x 10 x 20 inches.
C) 8 x 8 x 16 inches.
11) Firefighters in urban areas are very familiar with buildings that are constructed of brownstone, which is a form of -
A) Limestone.
B) Sandstone.
C) Slate.
D) Granite.
B) Sandstone.
12) Which of the following building materials were once widely used for the construction of interior partitions?
A) Terra-cotta.
B) Glass.
C) Clay tile blocks and gypsum blocks.
D) Stone and brick.
C) Clay tile blocks and gypsum blocks.
13) Glass blocks are frequently used to –
A) Fill the windows in existing buildings.
B) Decorative roofs on urban buildings.
C) Ornamental finials on tall walls.
D) Half walls in penthouse apartments.
A) Fill the windows in existing buildings.
15) The weakest part of a masonry wall is -
A) The face of the masonry unit.
B) The mortar joint.
C) The base.
D) Corbelled portions of the wall.
B) The mortar joint.
18) The allowable compressive strength of brick masonry would be – A) 100 psi. B) 150 psi. C) 200 psi. D) 250 psi.
D) 250 psi.
25) Nonreinforced masonry walls are usually limited to a maximum height of around ____ stories.
A) 2.
B) 4.
C) 6.
D) 8.
C) 6.
26) In contemporary practice, when a building is more than \_\_\_ stories tall, the use of a steel or concrete structural frame is usually more economical than erecting a nonreinforced masonry bearing wall. A) 1 to 2. B) 2 to 3. C) 3 to 4. D) 4 to 5.
C) 3 to 4.
27) By using reinforced masonry, it is possible to construct load-bearing masonry walls to the height of 10 stories or more having a wall thickness of only –
A) 6 inches.
B) 8 inches.
C) 10 inches.
D) 12 inches.
D) 12 inches.
28) A horizontal layer of individual masonry units is called a - A) Wythe. B) Course. C) Lintel. D) Parapet.
B) Course.
29) A single vertical row of multiple rows of masonry units in a wall, usually made of brick is called a -
A) Wythe.
B) Course.
C) Lintel.
D) Parapet.
A) Wythe.
30) Support for masonry over an opening usually made of steel angles or other rolled shapes singularly, or in combination, is called a - A) Wythe. B) Course. C) Lintel. D) Parapet.
C) Lintel.
31) When bricks are placed end-to-end, they create what is called a - A) Soldier course. B) Stretcher course. C) Straight course. D) Linear course.
B) Stretcher course.
32) When bricks are placed vertically on end, it is known as a -
A) Soldier course.
B) Stretcher course.
C) Header course.
D) Vertical course.
A) Soldier course.
33) One way of providing a horizontal bond between the wythes is to place the course of bricks across two wythes with the ends of the bricks facing out. This is known as a -
A) Soldier course.
B) Stretcher course.
C) Header course.
D) Vertical course.
C) Header course.
34) An exterior brick wall often is constructed with a vertical cavity between the exterior wythe in the interior wythes. What is this wall called?
A) Cavity wall.
B) Dead wall.
C) Vertical wall.
D) Hidden wall.
A) Cavity wall.
35) Reinforcement of masonry walls can take other forms and can include which of the following architectural features?
A) Buttresses.
B) Flying buttresses.
C) Pilasters.
D) All the above.
D) All the above.
36) Support of masonry over an opening is accomplished by all but which of the following?
A) Lintel.
B) An arch.
C) Corbelling.
D) Notching.
D) Notching.
38) Parapets usually project from 1 to ____ or more above the roof, and usually without lateral support.
A) 2 feet.
B) 3 feet.
C) 4 feet.
D) 5 feet.
B) 3 feet.
40) Type III construction is also known as -
A) Ordinary construction.
B) Masonry, wood-joisted construction.
C) Truss construction.
D) A and B.
D) A and B.
41) Which of the following statements is true?
A) Cast iron was used frequently for columns during the 19th century.
B) Cast iron was frequently use for columns during the 18th century.
C) Cast iron was frequently use for columns during the 17th century.
D) Cast iron is used frequently in contemporary construction.
A) Cast iron was used frequently for columns during the 19th century.
42) In applications such as residential and small commercial buildings, wood joists or beams simply rest on masonry walls in an indentation known as a -
A) Beam shelf.
B) Beam pocket.
C) Beam mortise.
D) Beam support.
B) Beam pocket.
43) The end of the wood joist or beam which will enter the beam pocket is cut at a slight angle. This angle is known as a -
A) Angle cut.
B) Tenon cut.
C) Fire cut.
D) Beam cut.
C) Fire cut.
44) What is the purpose of a fire cut?
A) It allows the beam to fall away freely from a wall in the event of structural collapse without acting as a lever to push against the masonry.
B) It prevents the wall from falling to the outside of the structure in the event of structural collapse.
C) It prevents the wall from falling to the inside of the structure in the event of structural collapse.
D) It helps reduce the likelihood of collapse if exposed to a moderate amount of fire.
A) It allows the beam to fall away freely from a wall in the event of structural collapse without acting as a lever to push against the masonry.
45) Buildings constructed with masonry exterior walls and wood joisted interior framing, are classified as which type of construction? A) Type I. B) Type II. C) Type III. D) Type V.
C) Type III.
46) Multistory buildings with exterior masonry walls and noncombustible interior framing can be a Type I-A, I-B, or II-B building if -
A) The exterior masonry is constructed of granite.
B) They are protected with fire-retardant materials as required by building code.
C) The exterior masonry is reinforced with steel.
D) The building is no taller than three stories.
B) They are protected with fire-retardant materials as required by building code.
47) Which of the following statements is incorrect in regard to the fire resistance of masonry walls?
A) The fire resistance of a masonry wall depends on the type of masonry units used.
B) The fire resistance of a masonry wall depends on the thickness of the wall.
C) Non-fire–rated hollow concrete blocks have a high degree of fire resistance.
D) Walls constructed with fire-rated concrete masonry units or bricks can have a fire-resistance rating of 2 to 4 hours or more.
C) Non-fire–rated hollow concrete blocks have a high degree of fire resistance.
48) The formation of cracks and the misalignment of a wall can occur because of which of the following reasons?
A) The mortar used to create the wall was inferior quality or not prepared correctly.
B) The builder lacked skill and misaligned the wall components when it was initially built.
C) Age has taken its toll on the building and the wall components are now deteriorating.
D) The foundation is shifting.
D) The foundation is shifting.
49) What is the presence of bearing plates visible from the outside of a building signify?
A) The building is unsafe and no firefighter should enter it under fire conditions.
B) The building is being stabilize through the presence of steel tie rods equipped with turnbuckles that extend through the masonry walls, parallel to the joists.
C) The masonry walls over time have begun to bulge and pull away from the interior framing of the building.
D) The building is under construction.
B) The building is being stabilize through the presence of steel tie rods equipped with turnbuckles that extend through the masonry walls, parallel to the joists.
51) When working under fire conditions with masonry walls, firefighters should always assume that if the wall collapses it will fall out from the building at a distance of -
A) Half the height of the wall.
B) At least equal to the height of the wall.
C) At least one and a half times the height of the wall.
D) Two times the height of the wall.
B) At least equal to the height of the wall.
52) A fascia is a -
A) A flat horizontal or vertical board located at the outer face of a cornice.
B) A broad flat surface over a storefront or below a cornice.
C) A false front that can create a combustible void that is not normally encountered with masonry walls.
D) All the above.
D) All the above.
53) What would you consider one of the major advantages of ‘mill’ construction from a firefighting standpoint?
A) The size of the timber members.
B) The absence of concealed spaces.
C) The required 3 inch tongue and groove floors.
D) The required 2 inch tongue and groove roofs.
B) The absence of concealed spaces.
The exterior walls in a mill-constructed masonry buildings are constructed of:
A. Solid concrete block
B. Hollow concrete block
C. Brick
D. Stucco
C. Brick
Which of the following statements regarding interior framing in masonry buildings is LEAST accurate?
A. Cast iron was frequently used for columns in masonry buildings during the nineteenth century.
B. Finishes on interior framing of wood-joisted buildings are not required to be fire resistant.
C. Both protected and unprotected steel interior framing can be used in masonry walls.
D. Wood-joisted masonry construction will have concealed combustible voids similar to wood-frame construction.
B. Finishes on interior framing of wood-joisted buildings are not required to be fire resistant.
Which of the following statements regarding fire resistance of masonry buildings is LEAST accurate?
A. Deterioration of masonry walls is normally a slow process.
B. Reinforcing and security measures can make it more difficult to force entry into masonry buildings.
C. The presence of tie rods indicates that the building has undergone repair.
D. Cracks in a masonry building indicate imminent collapse.
D. Cracks in a masonry building indicate imminent collapse.
Which of the following has the lowest density?
A. Granite
B. Brick
C. Limestone
D. Concrete Block
D. Concrete Block
5) The compressive strength of wood is highest when the load is applied -
A) Perpendicular to the grain of the wood.
B) Oblique to the direction of the grain.
C) Gradually to the end.
D) Parallel to the grain of the wood.
D) Parallel to the grain of the wood.
6) Oriented strand board (OSB) is an example of which of the following wood product types? A) Nonveneered panel. B) Veneered panel. C) Laminated members. D) Solid wood.
A) Nonveneered panel.
10) What type of wood product is used in the top and bottom flange of a manufactured wood I- beam? A) Laminated veneer lumber. B) Solid lumber. C) Waferboard or OSB. D) A and B.
D) A and B.
11) Wood frame construction is highly combustible due to which of the following factors -
A) The large quantity of fuel involved.
B) The large amount of combustible surface area.
C) The large amounts of air in voids between joists, rafters, and wall units.
D) All of the above.
D) All of the above.
12) The thermal decomposition of wood begins at a temperature somewhere below approximately ?
A) 392 degrees F.
B) 425 degrees F.
C) 475 degrees F.
D) 505 degrees F.
A) 392 degrees F.
13) Ignition temperature in wood products is NOT determined by which of the following factors? A) Barometric pressure. B) Moisture content. C) Density of the wood. D) Air supply.
A) Barometric pressure.
16) The International Building Code allows fire-retardant treated wood in non-load bearing partitions where the required fire resistance is – A) 30 minutes or less. B) 1 hour or less. C) 2 hours or less. D) 3 hours or less.
C) 2 hours or less.