Fire Behavior and Smoke Reading

What is one technique to locate the seat of the fire?

• Look for the tallest smoke column

• Look for black thin fast-moving smoke

• Compare the smoke venting from similar sized openings

• All of the above

What are the warning signs of flashover?

• Turbulent smoke

• Rollover

• Point ignition

• All of the above

What can firefighters do to increase their situational awareness?

• Recognize the warning signs of hostile fire events

• Identify changing smoke conditions

• Both A and B

• None of the above

What is the purpose of the penciling technique in fire suppression?

• To control flashover

• To prevent backdraft

• To predict rapid fire spread

• To cool fire gases below their ignition temperature

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

What are the warning signs of a backdraft?

• Tightly sealed or well-insulated buildings

• Smoke-stained yellow windows

• Gray smoke

• All of the above

What can induce smoke explosions?

• Ventilation

• Mechanical ventilation

• Natural ventilation

• Both A and B

What can fast-moving smoke in hallways and stairwells indicate?

• Flashover

• Rapid fire spread

• Backdraft

• Smoke explosion

What is the recommended tactic for extinguishing a large body of fire from the outside?

• Using a narrow to medium range fog pattern

• Using a straight stream

• Using a large line

• Using a fog nozzle