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2027 International Building Code
Chapter 7

IBC 2027

2027 International Building Code

Chapter 7Fire And Smoke Protection Features

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Question 1 1.

When a fire assembly serves multiple purposes within a building, which set of requirements must it satisfy?

All requirements applicable for each of the individual fire assemblies
Only the requirements of the most restrictive assembly
Only the fire barrier requirements
Requirements determined at the discretion of the architect

Question 2 2.

How must the fire-resistance rating of an interior wall of nonsymmetrical construction be assigned when tested in accordance with ASTM E119 or UL 263 without evidence of the least fire-resistant side?

The duration of the test conducted from the interior room face only
The average duration of tests from both faces
The longest duration obtained from the two tests
The shortest duration obtained from the two tests

Question 3 3.

How is the noncombustible protection time contribution of mass timber building elements determined?

By subtracting the fire-resistance time of an unprotected assembly from the time of a protected assembly
By testing a single protected mass timber assembly until char reaches 50% depth
By measuring heat transmission through the protective membrane alone using ASTM E136
By calculating the char rate of timber and multiplying by the gypsum board thickness

Question 4 4.

When a column requires individual encasement protection and extends through a ceiling, what is the extent of continuous protection required?

From the floor to 6 inches above the ceiling line
Only within the occupied space below the ceiling membrane
From the underside of the ceiling membrane to the underside of the roof deck
From the floor/ceiling assembly below through the ceiling space to the top of the column

Question 5 5.

Secondary structural attachments directly connected to fire-protected steel members must be protected with the same fire-resistive material for what minimum distance away from the member?

18 inches
12 inches
6 inches
24 inches

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