NFPA 1033 COMPREHENSIIVE 2026 EXAM QUESTIONS
AND ANSWERS RATED A+
✔✔Written authority from a judge or court - ✔✔evidence can be disposed of with ——
✔✔During the collection of evidence at the - ✔✔When does the contamination physical
evidence most often occur
✔✔The area of origin - ✔✔Generally, the Location of the best physical evidence of a fire
✔✔Sterile cotton ball to wipe the surface of the water - ✔✔The technique for taking a
sample of possible ignitable liquid residue off the surface of water
✔✔Fire suppression crews - ✔✔Evidence preservation begins with who
✔✔overall operations - ✔✔What time During fire ground operations is evidence most
likely to be destroyed
✔✔Demonstrative evidence - ✔✔What type of evidence is the testimony of a witness
✔✔The overall structure and surrounding area - ✔✔What does the first step in
determining the origin of a fire begin with
✔✔The orientation - ✔✔Besides Identifying the contents of a room an investigator
Should note
✔✔Two - ✔✔How many methods are there for measuring the depth of calcinations
✔✔Exterior examination - ✔✔After arriving on scene and conducting an initial fire scene
evaluation the investigator will conduct what next
✔✔Point of origin - ✔✔The exact physical location where the fire started
✔✔Ventilation - ✔✔What can have a dramatic affect on fire behavior and heat release
rate
✔✔HVAC system - ✔✔The building system that can enhance The development and
spread of a fire within the structure
✔✔Process of Elimination - ✔✔This is not sufficient to conclude that a fire was
intentionally set and an investigator should use caution in drawing conclusions about
the ignition source
✔✔Evidence of the ignition source - ✔✔What do you need to test A hypothesis
, ✔✔probable - ✔✔For a fire cause be classified as natural, accidental, or incendiary, the
investigator must feel certain that the cause is ——
✔✔Class a - ✔✔A portable fire extinguisher for ordinary combustibles
✔✔Class B - ✔✔A portable fire extinguisher for combustible liquids
✔✔Class c - ✔✔A portable fire extinguisher for electrical
✔✔Class D - ✔✔A portable fire extinguisher for metals
✔✔Class K - ✔✔A portable fire extinguisher for grease fires
✔✔135 to 170 - ✔✔Activation temperature for uncolored or black sprinkler heads
✔✔175 to 225 - ✔✔Activation temperature for white sprinkler heads
✔✔250 to 300 - ✔✔Activation temperature for blue sprinkler heads
✔✔325 to 375 - ✔✔Activation temperature for red sprinkler heads
✔✔400-475 - ✔✔Activation temperature for green sprinkler heads
✔✔500 to 575 - ✔✔Activation temperature for orange sprinkler heads
✔✔Combustible Liquid - ✔✔A liquid with a flash point above 100°
✔✔Plug type in cartridge type - ✔✔Two types of fuses
✔✔A person - ✔✔What does a ground fault circuit interrupter (GFCI) Protect against
electrical shocks
✔✔Electrical wiring - ✔✔What does an arc fault circuit interrupter (AFCI) protect against
electrical shock
✔✔2 to 6 - ✔✔The age of child firestarters often responsible for fires in their homes and
in the immediate area
✔✔7 to 13 - ✔✔Age of juvenile fire setters Often responsible for fires that start in their
homes or immediate environments and educational settings
AND ANSWERS RATED A+
✔✔Written authority from a judge or court - ✔✔evidence can be disposed of with ——
✔✔During the collection of evidence at the - ✔✔When does the contamination physical
evidence most often occur
✔✔The area of origin - ✔✔Generally, the Location of the best physical evidence of a fire
✔✔Sterile cotton ball to wipe the surface of the water - ✔✔The technique for taking a
sample of possible ignitable liquid residue off the surface of water
✔✔Fire suppression crews - ✔✔Evidence preservation begins with who
✔✔overall operations - ✔✔What time During fire ground operations is evidence most
likely to be destroyed
✔✔Demonstrative evidence - ✔✔What type of evidence is the testimony of a witness
✔✔The overall structure and surrounding area - ✔✔What does the first step in
determining the origin of a fire begin with
✔✔The orientation - ✔✔Besides Identifying the contents of a room an investigator
Should note
✔✔Two - ✔✔How many methods are there for measuring the depth of calcinations
✔✔Exterior examination - ✔✔After arriving on scene and conducting an initial fire scene
evaluation the investigator will conduct what next
✔✔Point of origin - ✔✔The exact physical location where the fire started
✔✔Ventilation - ✔✔What can have a dramatic affect on fire behavior and heat release
rate
✔✔HVAC system - ✔✔The building system that can enhance The development and
spread of a fire within the structure
✔✔Process of Elimination - ✔✔This is not sufficient to conclude that a fire was
intentionally set and an investigator should use caution in drawing conclusions about
the ignition source
✔✔Evidence of the ignition source - ✔✔What do you need to test A hypothesis
, ✔✔probable - ✔✔For a fire cause be classified as natural, accidental, or incendiary, the
investigator must feel certain that the cause is ——
✔✔Class a - ✔✔A portable fire extinguisher for ordinary combustibles
✔✔Class B - ✔✔A portable fire extinguisher for combustible liquids
✔✔Class c - ✔✔A portable fire extinguisher for electrical
✔✔Class D - ✔✔A portable fire extinguisher for metals
✔✔Class K - ✔✔A portable fire extinguisher for grease fires
✔✔135 to 170 - ✔✔Activation temperature for uncolored or black sprinkler heads
✔✔175 to 225 - ✔✔Activation temperature for white sprinkler heads
✔✔250 to 300 - ✔✔Activation temperature for blue sprinkler heads
✔✔325 to 375 - ✔✔Activation temperature for red sprinkler heads
✔✔400-475 - ✔✔Activation temperature for green sprinkler heads
✔✔500 to 575 - ✔✔Activation temperature for orange sprinkler heads
✔✔Combustible Liquid - ✔✔A liquid with a flash point above 100°
✔✔Plug type in cartridge type - ✔✔Two types of fuses
✔✔A person - ✔✔What does a ground fault circuit interrupter (GFCI) Protect against
electrical shocks
✔✔Electrical wiring - ✔✔What does an arc fault circuit interrupter (AFCI) protect against
electrical shock
✔✔2 to 6 - ✔✔The age of child firestarters often responsible for fires in their homes and
in the immediate area
✔✔7 to 13 - ✔✔Age of juvenile fire setters Often responsible for fires that start in their
homes or immediate environments and educational settings
