Page 1 of 32
OSFM ILLINOIS ADVANCED TECHNICIAN
FIREFIGHTER – ADVANCED FIREFIGHTER
CERTIFICATION EXAM*** QUESTIONS AND
VERIFIED ANSWERS | 2026/2027 UPDATE
Which fire safety program teaches people hot to safely get out
of their homes in the event of a fire?
❖ EDITH
What is it called when representatives from several different
agencies work together to command a multi-jurisdictional
incident in a coordinated manner?
❖ Unified command
What is the DOT hazard class of explosives?
❖ Class 1
,Page 2 of 32
What is the DOT hazard class of gasses?
❖ Class 2
What is the DOT hazard class of flammable/combustible
liquids?
❖ Class 3
What is the DOT hazard class of flammable solids,
spontaneously combustible, and dangerous when wet?
❖ Class 4
What is the DOT hazard class of oxidizers and organic
peroxides?
❖ Class 5
,Page 3 of 32
What is the DOT hazard class of poisons(toxic) and poison
inhalation hazards?
❖ Class 6
What is the DOT hazard class for radioactive materials?
❖ Class 7
What is the DOT hazard class for corrosive materials?
❖ Class 8
What is the DOT hazard class for miscellaneous hazards?
❖ Class 9
Can and should ICS be used for everyday situations?
❖ It can and should
, Page 4 of 32
How often should ladder service testing be done?
❖ Annually
What is the term for a collapse that occurs after the initial
collapse?
❖ Secondary collapse
What level of chemical protection is provided by structural
firefighting protective clothing?
❖ None
When does the size-up begin?
❖ When dispatched
OSFM ILLINOIS ADVANCED TECHNICIAN
FIREFIGHTER – ADVANCED FIREFIGHTER
CERTIFICATION EXAM*** QUESTIONS AND
VERIFIED ANSWERS | 2026/2027 UPDATE
Which fire safety program teaches people hot to safely get out
of their homes in the event of a fire?
❖ EDITH
What is it called when representatives from several different
agencies work together to command a multi-jurisdictional
incident in a coordinated manner?
❖ Unified command
What is the DOT hazard class of explosives?
❖ Class 1
,Page 2 of 32
What is the DOT hazard class of gasses?
❖ Class 2
What is the DOT hazard class of flammable/combustible
liquids?
❖ Class 3
What is the DOT hazard class of flammable solids,
spontaneously combustible, and dangerous when wet?
❖ Class 4
What is the DOT hazard class of oxidizers and organic
peroxides?
❖ Class 5
,Page 3 of 32
What is the DOT hazard class of poisons(toxic) and poison
inhalation hazards?
❖ Class 6
What is the DOT hazard class for radioactive materials?
❖ Class 7
What is the DOT hazard class for corrosive materials?
❖ Class 8
What is the DOT hazard class for miscellaneous hazards?
❖ Class 9
Can and should ICS be used for everyday situations?
❖ It can and should
, Page 4 of 32
How often should ladder service testing be done?
❖ Annually
What is the term for a collapse that occurs after the initial
collapse?
❖ Secondary collapse
What level of chemical protection is provided by structural
firefighting protective clothing?
❖ None
When does the size-up begin?
❖ When dispatched
