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Chapter 16: Building Materials, Structural
Collapse, and Effects of Fire Suppression.
Exam Questions And Answers 2025 Update.
Which type of building material is affected by size and moisture content during fire conditions?
- Answer✔Wood
How does the size of a wood structural member affect how it reacts to fire? - Answer✔Heavy
timbers remain strong even after exposure to direct flame
How does heat affect masonry? - Answer✔Stones and concrete may experience spalling when
they are heated
Cast iron may crack or shatter when it is - Answer✔rapidly cooled with water
When heated, steel structural members tend to - Answer✔elongate and push walls outward
Which factor is likely to affect the speed with which a steel structural member falls under fire
conditions? - Answer✔Size
How does reinforced concrete react to exposure to fire? - Answer✔It performs well, but can
lose strength through spalling
Which type of building material is used to protect other materials because its moisture content
gives it excellent heat resistance? - Answer✔Gypsum wallboard
What is a concern about lath and plaster during fire? - Answer✔Conceals hidden fires and adds
fuel to the fire
Which statement describes how glass will react under fire conditions? - Answer✔Heated glass
may crack when water is applied
Which type of building material can produce toxic gases and rapidly deteriorate under fire
conditions? - Answer✔Oriented Strand Board (OSB)
1
Chapter 16: Building Materials, Structural
Collapse, and Effects of Fire Suppression.
Exam Questions And Answers 2025 Update.
Which type of building material is affected by size and moisture content during fire conditions?
- Answer✔Wood
How does the size of a wood structural member affect how it reacts to fire? - Answer✔Heavy
timbers remain strong even after exposure to direct flame
How does heat affect masonry? - Answer✔Stones and concrete may experience spalling when
they are heated
Cast iron may crack or shatter when it is - Answer✔rapidly cooled with water
When heated, steel structural members tend to - Answer✔elongate and push walls outward
Which factor is likely to affect the speed with which a steel structural member falls under fire
conditions? - Answer✔Size
How does reinforced concrete react to exposure to fire? - Answer✔It performs well, but can
lose strength through spalling
Which type of building material is used to protect other materials because its moisture content
gives it excellent heat resistance? - Answer✔Gypsum wallboard
What is a concern about lath and plaster during fire? - Answer✔Conceals hidden fires and adds
fuel to the fire
Which statement describes how glass will react under fire conditions? - Answer✔Heated glass
may crack when water is applied
Which type of building material can produce toxic gases and rapidly deteriorate under fire
conditions? - Answer✔Oriented Strand Board (OSB)
1
