CFI Building Construction & Fire Behavior

Question 1

How does lightweight wood construction affect fire behavior?

Accepted Answer

It fails faster under fire conditions.

Answer

It delays collapse during fire.

Answer

It increases water resistance.

Answer

It resists fire spread effectively.

Question 2

What is the main concern with concealed spaces in construction during a fire?

Accepted Answer

They allow hidden fire spread.

Answer

They enhance ventilation.

Answer

They simplify fire suppression.

Answer

They trap smoke only.

Question 3

Which building material is most fire-resistant?

Accepted Answer

Concrete

Answer

Wood

Answer

Steel

Answer

Glass

Question 4

What role do fire walls play in construction?

Accepted Answer

Separate areas to prevent fire spread.

Answer

Direct water flow during fire.

Answer

Support HVAC systems.

Answer

Improve ventilation.

Question 5

Why is steel vulnerable during a fire?

Accepted Answer

It expands and softens, losing strength.

Answer

It melts at low temperatures.

Answer

It reacts with water.

Answer

It shrinks and becomes brittle.

Question 6

What is flashover in fire behavior?

Accepted Answer

Entire room ignites at once.

Answer

Fire spreads through electrical wiring.

Answer

Smoke builds up over time.

Answer

Fire burns only vertical surfaces.

Question 7

Which roof type presents the highest collapse risk in fires?

Accepted Answer

Truss roof

Answer

Flat concrete roof

Answer

Barrel roof

Answer

Green roof

Question 8

How does compartmentation help in fire protection?

Accepted Answer

It delays fire spread between areas.

Answer

It improves natural light.

Answer

It enhances airflow.

Answer

It reduces material costs.

Question 9

What is the main fire concern with synthetic building materials?

Accepted Answer

They burn fast and release toxic smoke.

Answer

They are highly water-absorbent.

Answer

They conduct electricity easily.

Answer

They resist ignition indefinitely.