2026 QUESTIONS WITH SOLUTIONS GRADED
A+
◉ How does the size of a wooden structural member affect how it reacts
to fire?
A. Size has no effect on how easy a piece of wood will ignite
B. Heavy timbers remain strong even after exposure to direct flame
C. Heavy timbers lose structural stability quickly when exposed to direct
flame
D. Engineered wood products burn slower than natural wood because
they have a lower moisture content. Answer: B. Heavy timbers remain
strong even after exposure to direct flame
◉ How does heat affect masonry?
A. Bricks may experience spalling when they are heated
B. Bricks will crumble after minimal exposure to heat and flame
C. Stones and concrete will crumble after exposure to direct flame
D. Stones and concrete may experience spalling when they are heated.
Answer: D. Stones and concrete may experience spalling when they are
heated
, ◉ Cast iron may crack or shatter when it is:
A. heated indirectly
B. rapidly cooled with water
C. in contact with direct flames
D. used as a decorative structural element. Answer: B. rapidly cooled
with water
◉ When heated, steel structural members tend to:
A. spall
B. crumble
C. elongate and push walls outward
D. contract and cause walls to fall inward. Answer: C. elongate and push
walls outward
◉ Which factor is likely to affect the speed with which a steel structural
member fails under fire conditions?
A. Age
B. Size
C. Exposure to foam extinguishing agents
D. Where the steel is located in the structure. Answer: B. Size
◉ How does reinforced concrete react to exposure to fire?
A. It takes longer to fail after exposure to fire