IICRC FSRT Fire & Smoke Restoration Exam 2026-
2027 – Assessment & Restoration Skills exam
questions and verified answers already A+ GRADE
1. What are the three components of the fire triangle?
o A) Fuel, carbon dioxide, heat
o B) Fuel, heat, oxygen
o C) Oxygen, wood, chemical chain reaction
o D) Water, fuel, energy
o Correct: B
2. What is the average size range of a smoke particulate?
o A) 10 to 50 microns
o B) 0.1 to 4.0 microns
o C) 50 to 100 microns
o D) 0.01 to 0.05 microns
o Correct: B
3. Smoke particles naturally migrate toward which areas?
,o A) High-pressure areas
o B) Cooler structural surfaces
o C) Active heat sources
o D) Highly illuminated zones
o Correct: B
4. What causes a "puff-back" deposit?
o A) Low-temperature kitchen fire
o B) Oil furnace ignition malfunction
o C) Burning electrical wires
o D) Fireplace chimney downdraft
o Correct: B
5. What is incomplete combustion?
o A) Fire extinguished by water
o B) Burning fuel with insufficient oxygen
o C) Fire with high-velocity airflow
o D) Spontaneous chemical ignition
o Correct: B
6. Which toxic gas is predominantly released when polyurethane foam burns?
o A) Pure argon
o B) Hydrogen cyanide
o C) Helium gas
o D) Methane compound
o Correct: B
7. How does smoke move through a building during a fire?
o A) By convection and pressure differentials
o B) Solely via magnetic pull
o C) Downward toward basement floors only
o D) Through structural framing conduction
o Correct: A
8. What determines the stickiness of smoke residue?
o A) The thickness of the drywall
, o B) The type of fuel burned and the temperature
o C) The time of day the fire started
o D) The height of the ceiling
o Correct: B
9. What pattern does soot form on walls with cold studs behind them?
o A) Circular halos
o B) Thermal tracking profiles along lines
o C) Random splatter marks
o D) Vertical drip lines
o Correct: B
10. What is the definition of a fire tetrahedron?
o A) Fuel, water, oxygen, air
o B) Fuel, heat, oxygen, and uninhibited chemical chain reaction
o C) Wood, paper, metal, chemicals
o D) Combustion, vapor, flame, ash
o Correct: B
11. Where do the heaviest smoke deposits usually form?
o A) At the highest point of containment rooms
o B) Directly on the floor tiles
o C) Inside plastic plumbing traps only
o D) On south-facing windows
o Correct: A
12. What occurs when smoke penetrates structural cavities?
o A) It instantly transforms into water vapor
o B) It deposits odors deep inside structural voids
o C) It improves wood structural strength
o D) It turns into an inert powder
o Correct: B
13. Which factor accelerates the corrosion of metal by soot?
o A) Extreme dry freezing air
o B) High relative humidity levels
2027 – Assessment & Restoration Skills exam
questions and verified answers already A+ GRADE
1. What are the three components of the fire triangle?
o A) Fuel, carbon dioxide, heat
o B) Fuel, heat, oxygen
o C) Oxygen, wood, chemical chain reaction
o D) Water, fuel, energy
o Correct: B
2. What is the average size range of a smoke particulate?
o A) 10 to 50 microns
o B) 0.1 to 4.0 microns
o C) 50 to 100 microns
o D) 0.01 to 0.05 microns
o Correct: B
3. Smoke particles naturally migrate toward which areas?
,o A) High-pressure areas
o B) Cooler structural surfaces
o C) Active heat sources
o D) Highly illuminated zones
o Correct: B
4. What causes a "puff-back" deposit?
o A) Low-temperature kitchen fire
o B) Oil furnace ignition malfunction
o C) Burning electrical wires
o D) Fireplace chimney downdraft
o Correct: B
5. What is incomplete combustion?
o A) Fire extinguished by water
o B) Burning fuel with insufficient oxygen
o C) Fire with high-velocity airflow
o D) Spontaneous chemical ignition
o Correct: B
6. Which toxic gas is predominantly released when polyurethane foam burns?
o A) Pure argon
o B) Hydrogen cyanide
o C) Helium gas
o D) Methane compound
o Correct: B
7. How does smoke move through a building during a fire?
o A) By convection and pressure differentials
o B) Solely via magnetic pull
o C) Downward toward basement floors only
o D) Through structural framing conduction
o Correct: A
8. What determines the stickiness of smoke residue?
o A) The thickness of the drywall
, o B) The type of fuel burned and the temperature
o C) The time of day the fire started
o D) The height of the ceiling
o Correct: B
9. What pattern does soot form on walls with cold studs behind them?
o A) Circular halos
o B) Thermal tracking profiles along lines
o C) Random splatter marks
o D) Vertical drip lines
o Correct: B
10. What is the definition of a fire tetrahedron?
o A) Fuel, water, oxygen, air
o B) Fuel, heat, oxygen, and uninhibited chemical chain reaction
o C) Wood, paper, metal, chemicals
o D) Combustion, vapor, flame, ash
o Correct: B
11. Where do the heaviest smoke deposits usually form?
o A) At the highest point of containment rooms
o B) Directly on the floor tiles
o C) Inside plastic plumbing traps only
o D) On south-facing windows
o Correct: A
12. What occurs when smoke penetrates structural cavities?
o A) It instantly transforms into water vapor
o B) It deposits odors deep inside structural voids
o C) It improves wood structural strength
o D) It turns into an inert powder
o Correct: B
13. Which factor accelerates the corrosion of metal by soot?
o A) Extreme dry freezing air
o B) High relative humidity levels
