Fire Stopping Codes and Materials Quiz

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What is the primary purpose of the external layer of a brick or stone veneer building?

To add thermal insulation to the building

To enhance the appearance of the building

To provide structural support for the wood frame

To protect the wood frame from external exposure (correct)

What type of wood-frame building is classified as Type V-B?

A building with a 1-hour fire resistance rating

A building with an automatic sprinkler system

A building with the structural framing protected to achieve a 1-hour fire resistance

A building with the interior walls left exposed with no interior finish (correct)

What is a typical means of adding or increasing fire resistance in a wood-frame building?

Using plywood or OSB for the interior finish

Installing an automatic sprinkler system

Using 5/8 inch gypsum board attached to the studs and ceiling joists (correct)

Providing protection to the structural framing to achieve a 1-hour fire resistance

What is the purpose of firestopping in a wood-frame building?

To restrict the spread of fire and smoke within concealed spaces Signup and view all the answers

What type of wood-frame building is classified as Type V-A?

A building with the structural framing provided with protection to achieve a 1-hour fire resistance Signup and view all the answers

Why is plaster not often used in modern construction?

It requires a large amount of labor Signup and view all the answers

What is the purpose of using gypsum board with a fiberglass mesh in some occupancies?

To resist impact as a building hardening measure Signup and view all the answers

How does impact-resistant gypsum board differ from ordinary gypsum board?

It is more difficult to penetrate with hand tools Signup and view all the answers

What unintended consequences can arise from innovations like adding a steel sheet between two drywall panels?

Increased difficulty in forcible entry during emergencies Signup and view all the answers

Why are manufactured components prefabricated and shipped to construction sites?

To reduce on-site labor and construction time Signup and view all the answers

According to the passage, which of the following is NOT a location where fire stopping is required?

Within the cavity of a structural insulated panel (SIP) system Signup and view all the answers

Which of the following materials is NOT mentioned as a suitable material for draft stopping in attic spaces?

Mineral wool batts or blankets Signup and view all the answers

According to the passage, what is the maximum allowable area for attic spaces with combustible construction before draft stopping is required?

3,000 square feet Signup and view all the answers

In a platform-frame building, what structural element is mentioned as providing a fire stop that will block the spread of fire between floors within the walls?

The plate installed on the top of the studs Signup and view all the answers

According to the passage, which of the following materials is NOT mentioned as a suitable material for fire stopping?

Polyisocyanurate foam Signup and view all the answers

According to the passage, what was the issue with fire-retardant treated plywood in attic spaces?

It reacted with moisture and became brittle, causing roofs to sag unevenly after 3-5 years Signup and view all the answers

According to the passage, what is a concern with void spaces in construction?

They can provide paths for rapid spread of fire through a structure Signup and view all the answers

What measure is mentioned in the passage to delay the entrance of fire into void spaces?

Applying fire-resistive finishes Signup and view all the answers

According to the passage, what is a concern when truss joists are used in floor construction?

Fire may spread parallel and perpendicular to the truss joists Signup and view all the answers

According to the passage, what is a concern related to unfinished ceilings over basement spaces?

Potential for firestopping or barriers to be compromised Signup and view all the answers

What is one primary difference between Type IV (heavy timber) and Type III (exterior protected) construction?

Type IV construction allows thicker dimensions of wood structural members Signup and view all the answers

Which code specifies the fire resistance requirements for the structural elements of Type IV construction?

International Building Code® (IBC) Signup and view all the answers

What does Type IV construction prevent in terms of concealed spaces?

Prevents the creation of combustible concealed spaces Signup and view all the answers

In Type IV construction, what is the primary factor that differentiates it from Type III construction?

The thickness of wood structural members Signup and view all the answers

What is specified in codes for both Type IV and Type III constructions regarding flooring and roofing surfaces?

Unique dimensions and materials for flooring surfaces Signup and view all the answers

Which of the following is NOT a common method used to slow the spread of fire in a balloon frame construction?

Continuous vertical studs from foundation to roof Signup and view all the answers

What type of framing system is typically used in light wood frame construction, as opposed to the timber framing mentioned in the text?

Dimensional lumber framing Signup and view all the answers

Which of the following environmental factors can cause the greatest amount of shrinkage in lumber used in light wood frame construction?

Cross-sectional dimensions Signup and view all the answers

What is the primary purpose of using fire-rated sealants around penetrations for electrical, plumbing, or heating systems in a light wood frame building?

To slow the spread of fire through the building Signup and view all the answers

What is a common problem associated with wood in fire conditions?

Rapid loss of structural stability Signup and view all the answers

What is an important factor for firefighters to consider when navigating a structure during a fire?

Maintaining situational awareness Signup and view all the answers

Why is wood still considered a fundamental structural material in building applications?

Historical significance Signup and view all the answers

What can happen if heavy loads are placed on wood during a fire?

Wood loses its ability to support the loads Signup and view all the answers