TCFP FIRE INVESTIGATOR EXAM | 2023/
2024 NEW EXAM REVIEW |QUESTIONS
AND 100% VERIFIED ANSWERS
- What are the stages of fire growth?
~ Answer: Ignition
~ Growth
~ Flashover
~ Fully Developed
~ Decay - What is a flashover?
~ Answer: The transition phase from growth to fully developed, where all
surfaces reach ignition temperature almost simultaneously. - What is ignition of the underside of the hot gas layer called?
~ Answer: Flameover or rollover - What factors influence flashover conditions?
~ Answer: Size of the compartment
~ Height of ceiling
~ Ventilation
~ Amount of fuel
~ Layout of fuel
~ Location of fire in the compartment - What are fire patterns?
~ Answer: The physical manifestation of the affects of fire on materials. - What are the different types of fire patterns on the walls and ceiling?
~ Answer: Plume Generated patterns (often V shaped)
~ Ventilation generated patterns
~ Hot gas layer patterns (Line of demarcation) - What is spalling?
~ Answer: The separation of chunks of concrete with explosive force
caused by the expansion of water (moisture) trapped in the concrete as it
turns to steam - What is char?
~ Answer: Pyrolized carbonaceous material - What is oxidation?
~ Answer: Physical change in appearance of a material resulting from the
combination of oxygen. - What is alloying?
~ Answer: Mixing two metals heated then cooled to change their
properties. Often melts at a lower temperature. - What is a clean burn?
~ Answer: When there was enough heat to burn away all carbon deposits
(soot) on a surface leaving a “clean” surface. Occurs on non-combustible
surfaces. - What is soot?
Fire Investigator TCFP Exam| 500+ Practice
Questions and Verified Answers| 2023/ 2024
Update
Q: What is the ability of a structural assembly to maintain its load-bearing capacity and
structural integrity under fire conditions
Answer:
A.) Fire resistance
Q: What would most likely need to happen for the fuel-gas product to ignite in the piping
system
Answer:
C.) Leak from the system
Q: What can the fire investigator conclude when the electrical safety devices operated at a fire
scene
Answer:
B.) An electrical event may have occurred
Q: What is used to keep most automatic fire sprinkler systems Closed
Answer:
A.) Fusible links
Q: In which location are process alarms often found
Answer:
C.) Industrial
Q: Which is NOT a condition that must be present to show that an electrical incident to be the
competent source of ignition for a particular fire
Answer:
B.) The electrical system was deenergized after the time of the fire
Q: Which material has a lower resistance which makes it a good conductor of electricity
Answer:
A.) Copper
Q: What color is the neutral conductor located at the box
Answer:
C.) White
Q: What is the type of fuse the fire investigator will encounter where up to 30 amperes is
required
Answer:
D.) Plug
Q: Which measurements are used to calculate power
Answer:
D.) Voltage and Current
Q: In which type of circuit will the failure of one light result in the other light not working
Answer:
C.) Series
Q: Where can the investigator find additional information after an alarm has activated
Answer:
B.) Alarm panel
Q: What is the main function of a fire pump
Answer:
A.) Increase water pressure
Q: In which electrical circuit does the current move through the circuit in one direction
Answer:
D.) Direct current
Q: What size AWG copper cable would be used with the 20-ampere circuit found in most
homes
Answer:
C.) No. 12
Q: Where is the grounding rod located that is used as a backup ground for the panelboard
Answer:
A.) Near the service entrance
Q: Which NFPA standard covers the National Electricity Code
Answer:
A.) NFPA 70
Q: At what point is the operating pressure in the fuel-gas system regulated
Answer:
B.) Before entering a structure
Q: Approximately what percent of fires are controlled or extinguished by automatic fire
sprinkler systems
Answer:
A.) 94 percent
Q: How long will it take a typical 20-amphere circuit breaker to trip with a current of 30
amperes
Answer:
C.) 15 minutes
Q: Where does the initiating device send an alarm to in the fire detection system
TCFP FIRE INVESTIGATOR 2023/ 2024
EXAM| QUESTIONS AND VERIFIED
ANSWERS| ALREADY GRADED A
Q: What are the fundamental issues of a death investigation?
Answer:
Remains / Victim identification
Cause of death
Manner of death
Victim activity
Postmortem changes
Q: What are the main motives for firesetting?
Answer:
Vandalism
Excitement
Revenge
Crime concealment
Profit
Extremism
Q: What is vandalism firesetting?
Answer:
Willfull and malicious mischief – often pressured by groups or peers
Q: What is excitement firesetting?
Answer:
Thrill seeking
Attention seeking
Recognition
Sexual gratification
Q: What is revenge firesetting?
Answer:
Personal retaliation
Societal retaliation
Institutional retaliation (school, church, etc)
Group retaliation
Q: What is crime concealment firesetting?
Answer:
Murder concealment
Burglary concealment
Destruction of documents
Q: What is extremism firesetting?
Answer:
Terrorism
Riots or civil distrurbance
Q: What are some things to examine in multiple confirmed incendiary fires?
Answer:
Geographic area
Temporal frequency (time)
Materials & Method of firesetting
Q: What are some indicators of incendiary fires?
Answer:
Evidence of other crimes (crime concealment)
Indicators of financial stress
History of code violations
Owner with multiple fires
Over insurance
Timed oppportunity (civil unrest, natural disaster)
Q: Other indicators that a fire is incendiary:
Answer:
Remote locations
Fire near service equipment / appliances
Removal or replacement of contents prior to fire
Entry blocked
Sabotage of fire protection systems
Multiple Fires
Trailers
Lack of fuel load / ignition sources
Exotic accelerants
Unsual fuel load
burn injuries
Incendiary devices
Q: What is the difference between low order and high order explosions?
Answer:
Low order = less than the speed of sound, pushing / bulging damage, slow pressure rise
High order = faster than the speed of sound, breaking / shattering, long range missiles, rapid
pressure rise
Q: What is a seated explosion?
Answer:
Seated explosions have a blast crater in the center of the explosion. Generally caused by high
explosives like TNT, PETN, RDX, ANFO
Fire Investigator TCFP Study Questions and
Verified Answers| 100% Correct| (2023/ 2024
Update)
Q: What are some basic concerns for complex investigations?
Answer:
Transportation
Equipment
Security
Decon
Environmental
Communications
Sanitation
Trash removal
Snow & Ice
Lighting
Evidence storage
Q: What are two natural causes of wildfires?
Answer:
Lighting
Spontaneous heating
Q: What are some human causes of wildfires?
Answer:
Campsite
Smoking
Debris burning
Glass refraction
Incendiary
Controlled burn
Machines
Railroad
Juveniles
Fireworks
Q: What are some utilities that can cause wildfires?
Answer:
Electrical
Gas and oil drilling
Q: What are four search patterns?
Answer:
Segment
Loop
Grid
Lane
Q: What are some types of suppression for wildfires?
Answer:
Class A foam
Fire breaks
Air drops
Firing out
Q: What are the two main parts of a wildfire?
Answer:
Head
Heel
Q: What are the three types of winds affecting wildfires?
Answer:
Meterological
Diurnal
Fire winds
Q: What are some ground fuels?
Answer:
Duff
Roots
Leaves
Grass
Dead wood
Low brush
Q: What are some aerial fuels?
Answer:
Tree crowns
Snags
Moss
High brush
Q: What are some fuel systems in vehicles?
Answer:
Gas – low pressure or high pressure, carb or fuel injected
Diesel
CNG/LPG
Q: Name some ignition sources in cars:
Answer:
Open flames
Electrical problems
Hot surfaces (exhaust, turbocharger)
Mechanical sparks
Smoking
Q: What is the difference between combustible liquids and flammable liquids?
Answer:
Combustible = flash point above 100 F
Flammable = Flash point below 100 F
Q: Name some residential appliances that can cause a fire:
Answer:
Oven
Coffee maker
Toaster
Can opener
Refrigerator
Dishwasher
Microwave
Space heater
Electric blanket
Air conditioner
Hair dryer
Iron
Dryer
Lighting
Q: What is an exemplar?
Answer:
It is an example / exact copy of the product or item burned in the fire. It is for testing purposes.
Q: What are some different explosion related injuries?
Answer:
Blast pressure
TCFP Fire Inspector Exam |Study Questions
and Verified Answers| Chapters 1-9| 2023/
2024
Q: Which method of extinguishment may involve isolating the fuel using fire-resistive
construction?
Answer:
Fuel removal
Q: When cooling with water, enough water must be applied to the burning fuel to:
Answer:
absorb the heat being generated by combustion
Q: The primary method of extinguishment for _ fires is cooling with water to reduce the temperature of the fuel. Answer: Class A Q: Once a permit is issued, the inspector should review _ to determine if the conditions of
the initial permit are still being met.
Answer:
current activity
Q: What kind of permit does open burning require?
Answer:
Operational
Q: _ is always a goal in the complaint process. Answer: Voluntary compliance Q: Which type of building and fire code or standard classification is more flexible? Answer: Performance-based code/standard Q: In most jurisdictions fire and life safety inspectors acting alone have authority to
approve requests for modification of code requirements
Answer:
little
Q: Which consensus standards committee develops and publishes the majority of the standards
concerning fire protection, electrical systems, and life-safety systems used in the U.S. and
Canada
Answer:
National Fire Protection Association® (NFPA®)
Q: Facilities required to meet multiple codes may be subject to __ code requirements.
Answer:
more restrictive
Q: Permits are issued to ensure that _ are not allowed to develop without approval of the AHJ Answer: hazardous situations Q: Complaints that involve a require immediate action
Answer:
serious life-safety threat
Q: FI1:CH2 Which Canadian entity represents Canada’s interests in standards-related matters in
foreign and international forums?
Answer:
Standards Council of Canada (SCC)
Q: What is a cause for concern when a Board approves a variance?
Answer:
Other applicants may expect to receive similar treatment.
Q: Any additions or alterations to existing structures will be regulated by the __ code.
Answer:
current
Q: Complaints that do not require immediate attention can be
Answer:
routinely assigned to inspection staff
Q: Which of the following is a model code organization in the United States?
Answer:
International Code Council® (ICC®)
Q: What can an AHJ do to avoid issuing permits in error?
Answer:
Require certification from the special inspector
Q: Observations, new conditions, and/or _ indicate a need for code change. Answer: technological advances Q: The details of any modification must be recorded as per the standards
Answer:
local
Q: A code war is destructive to the __ process as well as to the professional image of all
involved departments