1|Page
TCFP FIRE INVESTIGATOR EXAM LATEST
2024/2025 WITH ACTUAL QUESTIONS AND
CORRECT VERIFIED ANSWERS/ALREADY
GRADED A+
3 TYPES OF RADIATION - .....ANSWER ...✔✔ alpha,
beta, gamma
ALPHA RADIATION - .....ANSWER ...✔✔ BOUNCES
OFF CLOTHING
BETA RADIATION - .....ANSWER ...✔✔ PENETRATES
CLOTHING
GAMMA RADIATION - .....ANSWER ...✔✔
PENETRATES CLOTHING AND SKIN
PARTS OF HAZMAT PLACARD - .....ANSWER ...✔✔
YELLOW - INSTABILITY
RED - FLAMMABILITY
BLUE - HEALTH
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OXIDATION - .....ANSWER ...✔✔ CHEMICAL
REACTION INVOLVING THE COMBINATION OF
OXYGEN WITH OTHER MATERIALS
EXOTHERMIC - .....ANSWER ...✔✔ Chemical Reaction
in which energy is primarily given off in the form of heat
ENDOTHERMIC - .....ANSWER ...✔✔ (of a chemical
reaction or compound) occurring or formed with
absorption of heat
FIRE IS AN EXOTHERMIC REACTION CALLED: -
.....ANSWER ...✔✔ COMBUSTION
COMBUSTION RELEASES ENERGY IN THE FORM OF: -
.....ANSWER ...✔✔ HEAT OR LIGHT
PILOTED IGNITION - .....ANSWER ...✔✔ MOMENT
WHEN A MIXTURE OF FUEL AND OXYGEN
ENCOUNTER AN EXTERNAL HEAT SOURCE WITH
SUFFICIENT HEAD ENERGY TO START THE
COMBUSTION REACTION.
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AUTOIGNITION - .....ANSWER ...✔✔ Occurs without
any external flame or spark to ignite the fuel gases or
vapors
POTENTIAL ENERGY - .....ANSWER ...✔✔ ENERGY
POSSESSED BY AN OBJECT THAT MAY BE RELEASED
KINETIC ENERGY - .....ANSWER ...✔✔ ENERGY
POSSESSED BY A MOVING OBJECT
BTU - .....ANSWER ...✔✔ British Thermal Unit
BTU IS USED TO MEASURE: - .....ANSWER ...✔✔ HEAT
RESISTANCE HEATING - .....ANSWER ...✔✔ WHEN
ELECTRICAL CURRENT FLOWS THROUGH A
CONDUCTOR, HEAT IS PRODUCED
OVERCURRENT - .....ANSWER ...✔✔ WHEN THE
CURRENT FLOWING THROUGH A CONDUCTOR
EXCEEDS ITS DESIGN LIMITS.
, 4|Page
ARCING - .....ANSWER ...✔✔ High-temperature
luminous electric discharge across a gap or through a
medium such as charred insulation.
SPARKING - .....ANSWER ...✔✔ WHEN AN ELECTRIC
ARC OCCURS LUMINOUS PARTICLES CAN BE FORMED
AND SPATTER AWAY FROM THE POINT OF ARCING.
CONDUCTION - .....ANSWER ...✔✔ The direct
transfer of heat from one substance to another
substance that it is touching.
CONVECTION - .....ANSWER ...✔✔ TRANSFER OF
HEAT ENERGY FROM A FLUID TO A SOLID SURFACE OR
BETWEEN TWO FLUIDS.
RADIATION - .....ANSWER ...✔✔ TRANSMISSION OF
ENERGY AS AN ELECTROMAGNETIC WAVE
FUEL CONTROLLED FIRE - .....ANSWER ...✔✔ FIRE
LIMITED BY THE AMOUNT OF COMBUSTIBLES
VENTILATION CONTROLLED FIRE - .....ANSWER ...✔✔
FIRE LIMITED BY THE AMOUNT OF OXYGEN
TCFP FIRE INVESTIGATOR EXAM LATEST
2024/2025 WITH ACTUAL QUESTIONS AND
CORRECT VERIFIED ANSWERS/ALREADY
GRADED A+
3 TYPES OF RADIATION - .....ANSWER ...✔✔ alpha,
beta, gamma
ALPHA RADIATION - .....ANSWER ...✔✔ BOUNCES
OFF CLOTHING
BETA RADIATION - .....ANSWER ...✔✔ PENETRATES
CLOTHING
GAMMA RADIATION - .....ANSWER ...✔✔
PENETRATES CLOTHING AND SKIN
PARTS OF HAZMAT PLACARD - .....ANSWER ...✔✔
YELLOW - INSTABILITY
RED - FLAMMABILITY
BLUE - HEALTH
,2|Page
OXIDATION - .....ANSWER ...✔✔ CHEMICAL
REACTION INVOLVING THE COMBINATION OF
OXYGEN WITH OTHER MATERIALS
EXOTHERMIC - .....ANSWER ...✔✔ Chemical Reaction
in which energy is primarily given off in the form of heat
ENDOTHERMIC - .....ANSWER ...✔✔ (of a chemical
reaction or compound) occurring or formed with
absorption of heat
FIRE IS AN EXOTHERMIC REACTION CALLED: -
.....ANSWER ...✔✔ COMBUSTION
COMBUSTION RELEASES ENERGY IN THE FORM OF: -
.....ANSWER ...✔✔ HEAT OR LIGHT
PILOTED IGNITION - .....ANSWER ...✔✔ MOMENT
WHEN A MIXTURE OF FUEL AND OXYGEN
ENCOUNTER AN EXTERNAL HEAT SOURCE WITH
SUFFICIENT HEAD ENERGY TO START THE
COMBUSTION REACTION.
,3|Page
AUTOIGNITION - .....ANSWER ...✔✔ Occurs without
any external flame or spark to ignite the fuel gases or
vapors
POTENTIAL ENERGY - .....ANSWER ...✔✔ ENERGY
POSSESSED BY AN OBJECT THAT MAY BE RELEASED
KINETIC ENERGY - .....ANSWER ...✔✔ ENERGY
POSSESSED BY A MOVING OBJECT
BTU - .....ANSWER ...✔✔ British Thermal Unit
BTU IS USED TO MEASURE: - .....ANSWER ...✔✔ HEAT
RESISTANCE HEATING - .....ANSWER ...✔✔ WHEN
ELECTRICAL CURRENT FLOWS THROUGH A
CONDUCTOR, HEAT IS PRODUCED
OVERCURRENT - .....ANSWER ...✔✔ WHEN THE
CURRENT FLOWING THROUGH A CONDUCTOR
EXCEEDS ITS DESIGN LIMITS.
, 4|Page
ARCING - .....ANSWER ...✔✔ High-temperature
luminous electric discharge across a gap or through a
medium such as charred insulation.
SPARKING - .....ANSWER ...✔✔ WHEN AN ELECTRIC
ARC OCCURS LUMINOUS PARTICLES CAN BE FORMED
AND SPATTER AWAY FROM THE POINT OF ARCING.
CONDUCTION - .....ANSWER ...✔✔ The direct
transfer of heat from one substance to another
substance that it is touching.
CONVECTION - .....ANSWER ...✔✔ TRANSFER OF
HEAT ENERGY FROM A FLUID TO A SOLID SURFACE OR
BETWEEN TWO FLUIDS.
RADIATION - .....ANSWER ...✔✔ TRANSMISSION OF
ENERGY AS AN ELECTROMAGNETIC WAVE
FUEL CONTROLLED FIRE - .....ANSWER ...✔✔ FIRE
LIMITED BY THE AMOUNT OF COMBUSTIBLES
VENTILATION CONTROLLED FIRE - .....ANSWER ...✔✔
FIRE LIMITED BY THE AMOUNT OF OXYGEN
