1.According to the International Building Code (IBC) 2018, what is the minimum fire-
resistance rating required for the exterior walls of a Type IIB construction?
● A) 1 hour
● B) 2 hours
● C) 3 hours
● D) 0 hours
Answer:
D) 0 hours
Explanation:
Type IIB construction is a non-combustible construction type that does not require a fire-
resistance rating for its exterior walls. The materials used in Type IIB construction are non-
combustible, and therefore, the exterior walls do not need additional fire protection.
2. Which type of construction, according to the IBC 2018, requires the highest level of
fire-resistance for the building’s structural elements?
● A) Type III
● B) Type V
● C) Type I
● D) Type IV
Answer:
C) Type I
Explanation:
Type I construction is the most fire-resistant construction type under the IBC 2018. It
requires the highest fire-resistance ratings for structural elements, including columns, beams,
and floor assemblies, to ensure maximum protection against fire.
3. In Type III construction, what is the fire-resistance rating requirement for the
exterior bearing walls, according to IBC 2018?
● A) 0 hours
● B) 1 hour
● C) 2 hours
● D) 3 hours
Answer:
C) 2 hours
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Explanation:
For Type III construction, the IBC 2018 specifies that exterior bearing walls must have a
minimum fire-resistance rating of 2 hours. This is to protect the structural integrity of the
building during a fire.
4. According to the IBC 2018, how is the fire-resistance rating of building components
determined?
● A) Through manufacturer specifications
● B) By the thickness of the materials used
● C) According to ASTM E119 or UL 263 testing standards
● D) Based on the occupancy classification of the building
Answer:
C) According to ASTM E119 or UL 263 testing standards
Explanation:
The IBC 2018 requires that fire-resistance ratings for building components be determined
through standardized testing methods, such as ASTM E119 or UL 263. These tests measure
the ability of a building component to withstand fire exposure for a specified period.
5. What is the fire-resistance rating requirement for the floor construction in a Type IA
building according to the IBC 2018?
● A) 0 hours
● B) 1 hour
● C) 2 hours
● D) 3 hours
Answer:
D) 3 hours
Explanation:
For a Type IA building, which is the highest fire-resistance-rated construction type, the floor
construction must have a minimum fire-resistance rating of 3 hours. This ensures that the
structure can maintain its integrity during a prolonged fire.
6. In a Type V construction, what is the minimum fire-resistance rating required for the
roof construction, as specified by the IBC 2018?
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● A) 0 hours
● B) 1 hour
● C) 2 hours
● D) 3 hours
Answer:
A) 0 hours
Explanation:
Type V construction is typically wood-framed and is the least fire-resistant among the
construction types. The IBC 2018 does not require a minimum fire-resistance rating for the
roof construction in Type V buildings.
7. What is the maximum height allowed for a Type IIIB building according to the IBC
2018?
● A) 85 feet
● B) 75 feet
● C) 65 feet
● D) 55 feet
Answer:
B) 75 feet
Explanation:
The IBC 2018 allows a maximum building height of 75 feet for Type IIIB construction. This
type of construction uses non-combustible materials for exterior walls but has a limited fire-
resistance rating, restricting its height.
8. According to IBC 2018, which construction type is known as "Heavy Timber"
construction?
● A) Type III
● B) Type IV
● C) Type V
● D) Type I
Answer:
B) Type IV
Explanation:
Type IV construction, also known as "Heavy Timber," uses large, solid or laminated wood
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members for structural elements. This construction type has specific requirements regarding
the size of timber members to provide inherent fire-resistance.
9. For a building classified as Type IIA, what is the fire-resistance rating requirement
for the roof construction, as per IBC 2018?
● A) 0 hours
● B) 1 hour
● C) 2 hours
● D) 3 hours
Answer:
B) 1 hour
Explanation:
In Type IIA construction, the IBC 2018 requires the roof construction to have a fire-
resistance rating of at least 1 hour. This provides a basic level of fire protection while
allowing for the use of non-combustible materials.
10. What is the purpose of a fire barrier as defined by the IBC 2018?
● A) To provide a space for utility lines
● B) To allow for interior decoration
● C) To restrict the spread of fire and smoke
● D) To support the roof structure
Answer:
C) To restrict the spread of fire and smoke
Explanation:
A fire barrier is designed to restrict the spread of fire and smoke within a building, creating
compartments that limit the movement of fire and protect occupants and property.
11. Which of the following is a requirement for fire walls according to the IBC 2018?
● A) They must extend from the foundation to the roof without interruption.
● B) They can have openings as long as they are not protected.
● C) They can be made of combustible materials.
● D) They do not need to extend to the roof if they are fire-stopped.
Answer:
A) They must extend from the foundation to the roof without interruption.
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