Building Construction Chapter 7

Building Construction Chapter 7

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@AgileBlueTourmaline7875

Questions and Answers

What are some disadvantages related to the natural growth of a tree with regards to wood?

Wood is never dimensionally true

What is the practice regarding the matching of standard and stated measurements for finished boards and timbers?

The practice is not followed, and they are described in nominal dimensions

What are engineered wood components produced from?

A combination of wood particles and a bonding agent

What affects wood strength?

<p>Load direction</p> Signup and view all the answers

What are some disadvantages of laminated wood products?

<p>Quick and unpredictable failure in fire conditions when unprotected</p> Signup and view all the answers

Which type of joint is suitable for transmitting tensile stresses along the length of a beam?

<p>Scarf joint</p> Signup and view all the answers

What type of lumber is primarily used for outside decks and railings due to its resistance to weathering?

<p>Thermoplastic composite lumber</p> Signup and view all the answers

Which engineered wood product uses sheets of veneer peeled from the outer portion of a log?

<p>Laminated veneer lumber</p> Signup and view all the answers

What type of wood product is made with long strands of wood up to 12 inches in length bonded with resin in a steam pressing process?

<p>Laminated strand lumber</p> Signup and view all the answers

What is the standard size of plywood panels?

<p>4x8 ft</p> Signup and view all the answers

Which wood product uses long, strand-like wood particles compressed and glued into 3 to 5 layers?

<p>Oriented strand board (OSB)</p> Signup and view all the answers

For what purpose is particleboard generally not used?

<p>Structural applications</p> Signup and view all the answers

What material is typically used as the core in structural insulated panels?

<p>Expanded polystyrene</p> Signup and view all the answers

Where is firestopping typically required in construction?

<p>Within stud walls at the ceiling and floor levels</p> Signup and view all the answers

What type of wood panels are commonly used as the outer layers of structural insulated panels?

<p>Oriented Strand Board (OSB)</p> Signup and view all the answers

What condition can eliminate the 1-hour fire resistance rating requirement for Type V-A construction?

<p>Presence of an automatic sprinkler system</p> Signup and view all the answers

What is the usual requirement for draftstopping in attic spaces with combustible construction?

<p>Attic has to be subdivided into areas of 3,000 square feet</p> Signup and view all the answers

In what type of wood frame construction are exposed walls with no interior finish usually found?

<p>Type V-B</p> Signup and view all the answers

What is the initial product released during the thermal decomposition of wood?

<p>Water and carbon dioxide</p> Signup and view all the answers

In what type of construction does the International Building Code (IBC) allow fire-retardant treated wood in nonload-bearing partitions?

<p>Where the required fire resistance is 2 hours or less</p> Signup and view all the answers

What is the total amount of thermal energy that can be released if a fuel is completely burned?

<p>Heat of combustion</p> Signup and view all the answers

What are the two main methods of fire-retardant treatment for wood?

<p>Surface coating and pressure impregnation</p> Signup and view all the answers

At what temperature does pyrolysis of wood begin?

<p>Below approximately 392°F</p> Signup and view all the answers

How do most fire-retardant chemicals operate in wood?

<p>By accelerating the formation of charring</p> Signup and view all the answers

What is a limitation of using water-soluble fire-retardant chemicals in wood exposed to high humidity?

<p>They are not approved for such applications</p> Signup and view all the answers

How do most fire-retardant chemicals operate in wood?

<p>By accelerating the formation of charring</p> Signup and view all the answers

Which type of construction features continuous exterior walls from foundation to roof?

<p>Balloon frame construction</p> Signup and view all the answers

Which type of construction is more prone to shrinkage due to the use of more horizontal members in its frame?

<p>Platform framing</p> Signup and view all the answers

In which type of construction are exterior wall vertical studs not continuous to the second floor?

<p>Platform construction</p> Signup and view all the answers

Which type of construction is characterized by heavy wooden structural supports with a masonry exterior?

<p>Type IV</p> Signup and view all the answers

What are the identifiable features of heavy timber framing?

<p>Internal support columns are not less than 8x8 in.</p> Signup and view all the answers

What are the primary differences between Type III and Type IV construction?

<p>Type IV has thicker dimensions of wood structural members</p> Signup and view all the answers

What is post and beam framing?

<p>A form of wood-frame construction with posts and beams using dimensions smaller than Type IV and greater than Type V</p> Signup and view all the answers

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