- 1. During a fire investigation, officers identify a material that reacts with oxygen and produces flames. What is this substance called?
A) Smoke
B) Heat
C) Fuel
D) Oxygen
- 2. It refers to the chemical process whereby fire consumes the most solid part of the fuel, what is it?
A) Embers
B) Pyrolysis
C) Combustible Vapors
D) Free Radicals
- 3. In a fire safety lecture, the instructor shows a diagram representing oxygen, heat, and fuel. What is this diagram called?
A) Fire Triangle Theory
B) Tetrahedron of Fire
C) Fire Tetrahedron
D) Triangle of Fire
- 4. A liquid gives off vapors that ignite momentarily when exposed to flame but do not sustain burning.
What temperature condition does this describe?
A) Flashpoint
B) Temperature
C) Vapor Density
D) Fire Point
- 5. What is the weight of air?
A) 1.00
B) .7
C) 0.01
D) 1.01
- 6. The following are an example of products of combustion except:?
A) Heat
B) Embers
C) Flame
D) Smoke
- 7. This type of combustion is ignited or took form of embers, what is this?
A) Surface or Smoldering Combustion
B) Glowing Combustion
C) Flaming Combustion
D) Gas-phased Combustion
- 8. A fire starts when a match is struck and reacts quickly with the air. What do you call this rapid chemical reaction?
A) Fire
B) Chemical Reactivity
C) Chemical Reaction
D) Inhibition
- 9. In a classroom discussion about air composition, which of the following is NOT a correct component of air?
A) 78% of Nitrogen
B) 1% of other gases
C) 21% normal oxygen
D) 78% Hydrogen gas
- 10. During a fire, heat is released continuously, allowing the fire to spread to nearby materials. Which chemical property explains this release of heat?
A) Condensation
B) Exothermic reaction
C) Vaporization
D) Endothermic reaction
- 11. In flaming mode, how hot the temperature can go?
A) 400-600 degrees Celsius
B) 38-100 degrees Celsius
C) 1,000-1,125 degrees Celsius
D) 1,000-1,500 degrees Celsius
- 12. A firefighter feels the warmth coming from the burning materials during a fire. What form of energy is being experienced that can be measured by temperature?
A) Combustion
B) Fuel
C) Oxygen
D) Heat
- 13. Fire occurs when a fuel chemically reacts with oxygen, producing heat What chemical process is responsible for this reaction?
A) Endothermic reaction
B) Specific gravity
C) Vapor Density
D) Oxidation
- 14. While studying fire behavior, a student lists the elements needed for fire. Which of the following is
NOT an element of fire?
A) Fuel
B) Heat
C) Oxygen
D) Free Radicals
- 15. During a fire investigation, the officer identifies a gas in the air that supports burning and has no color or smell. What gas is this?
A) Carbon Dioxide
B) Free Radicals
C) Smoke
D) Oxygen
A) Transmission of heat through explosions
B) Transmission of heat through an object or conductor
C) Transmission of heat through space only
D) Transmission of heat through moving liquids
- 17. According to Felipe G. Montojo (2006), which stage of fire shows no visible smoke, flame, or sufficient heat?
A) Smoldering Stage
B) Heat or Explosion Stage
C) Flame Stage
D) Incipient Stage
- 18. Which stage is considered out of control once reached?
A) Incipient Stage
B) Smoke Stage
C) Ignition Stage
D) Heat/Conflagration/Explosion Stage
A) Sudden ignition of all combustible materials in a compartment
B) Extinguishment of fire by lack of oxygen
C) A slow-burning fire without flames
D) Ignition of smoke outside the building
A) Air or space
B) Transmission of heat by moving currents of liquid or gas
C) Transmission of heat through solid objects
D) Transmission of heat through direct flames only
- 21. Which phase of fire is the initial stage where combustion begins and the fire is small and confined to the fuel first ignited?
A) Incipient / Ignition / Beginning Phase
B) Decay Phase
C) Smoldering Phase
D) Free-Burning Phase
- 22. Which two modes of heat transfer explain fire spread through a heated metal pipe and the movement of hot smoke along the ceiling?
A) Conduction and convection
B) Conduction and Radiation
C) Conduction and Flame Contact
D) Convection and radiation
- 23. Radiation can cause another flammable object to ignite through:
A) Transmission of heat through solid objects
B) Transmission of heat by moving currents of liquid or gas
C) Air or space
D) Transmission of heat through direct flames only
- 24. During a fire, heat is released continuously, allowing the fire to spread to nearby materials. Which chemical property explains this release of heat?
A) Endothermic reaction
B) Vaporization
C) Exothermic reaction
D) Condensation
- 25. Which phase of fire is the initial stage where combustion begins and the fire is small and confined to the fuel first ignited?
A) Free-Burning Phase
B) Incipient / Ignition / Beginning Phase
C) Smoldering Phase
D) Decay Phase
- 26. What is ROLLOVER or FLAMEOVER?
A) Ignition of unburned gases in the smoke layer near the ceiling
B) Sudden cooling of fire
C) Burning of only solid materials
D) Sudden ignition of all combustible materials in a compartment
- 27. Which stage of fire is considered out of control and may involve conflagration or explosion?
A) Heat, Conflagration, or Explosion Stage
B) Flame stage
C) Smoldering Stage
D) Incipient Stage
- 28. In which stage are flames noticeable and smoke decreases as heat increases?
A) Flame Stage
B) Smoke Stage
C) Incipient Stage
D) Decay Stage
A) Transmission of heat through moving liquids
B) Transmission of heat through space only
C) Transmission of heat through explosions
D) Transmission of heat through an object or conductor
- 30. Which two modes of heat transfer explain fire spread through the conatct of the gas lamp to the curtain and due to the exothermic reaction of the fire?
A) Flame contact Only
B) Flame Contact and Conduction
C) Flame Contact and radiation
D) Flame Contact and convection
- 31. What are the recommended agents to extinguish Class A Fires?
A) Water, Foam, Dry Chemical
B) Water Only
C) Dry Chemical, CO2
D) Foam, Dry Chemical, CO2
- 32. What law repealed Presidential Decree No. 1185?
A) Republic Act No. 1613
B) Republic Act No. 9003
C) Republic Act No. 9514
D) Republic Act No. 10175
- 33. Which extinguishing agents are commonly used for smothering?
A) Water and sand
B) CO2 and AFFF
C) Dry leaves and soil
D) Steam and gasoline
- 34. Which method works by interrupting the chemical reaction of fire?
A) Inhibition
B) Cooling
C) Separation
D) Smothering
- 35. Why is water dangerous to use on Class C fires?
A) It may cause electrical shock
B) It changes the color of flames
C) It increases smoke
D) It creates strong odors
- 36. What method of fire extinguishment removes the fuel source?
A) Separation
B) Inhibition
C) Smothering
D) Cooling
- 37. The following are examples of Extinguishing agents, except?
A) Oxygen
B) Water
C) Co2
D) Dry Chemical
- 38. A sign reading "WARNING: THIS BUILDING IS A FIRE HAZARD" is posted. Why?
A) Abatement of hazard
B) Closure due to violation
C) Non-compliance with fire safety
D) Firetrap
- 39. Fire Personnels conduct Fire Drill and symposium to educate residents. What principle ist this?
A) Fire Control
B) Fire Hazard
C) Fire Protection
D) Fire Prevention
- 40. What method of extinguishment removes oxygen from the fuel?
A) Inhibition
B) Smothering
C) Separation
D) Cooling
- 41. Which method of fire extinguishment uses heat absorption?
A) Separation
B) Inhibition
C) Cooling
D) Smothering
- 42. Fires involving gasoline, oils, and petroleum products are classified as:
A) Class D
B) Class A
C) Class B
D) Class C
- 43. What is the best general cooling agent for firefighting purposes?
A) Foam
B) Carbon dioxide
C) Sand
D) Water
- 44. Smothering, Cooling and Separation is an example of?
A) Fire Suppression
B) Fire Hazard
C) Fire Prevention
D) Fire Protection
- 45. Cooling is commonly used on what type of fire?
A) Class D
B) Class C
C) Class A
D) Class K
- 46. Which phase of fire is characterized by the cessation of flames but the presence of dense smoke and high heat in a confined area?
A) Flashpoint
B) Incipient Phase
C) Growth Phase
D) Smoldering Phase
- 47. What do we call the systematic and scientific examination of a fire incident?
A) Fire Research
B) Crime Scene Investigation
C) Fire Investigation
D) Fire Origin
- 48. A fire set by an offender causes a person to die.
What applies?
A) Accident
B) Arson with Homicide
C) Arson
D) Arson with Murder
- 49. Before the fire started, the owner secretly removed expensive appliances from the building. What may this indicate?
A) Modus Operandi
B) Evidence of intent
C) Corpus Delicti
D) Heroism
- 50. The BFP finds a fire hazard and issues a notice to fix it within 10-15 days. What is this action called?
A) Abatement
B) Notice to Comply
C) Evacuation order
D) Notice of Closure
- 51. Fire investigators examined the bottoms of tables and chairs inside a burned room. What was the purpose?
A) It may indicate the point of origin
B) To determine the level of fire origin
C) To estimate approximate fire progression
D) Exposure to intense heat near the origin
- 52. Fire in a metal exhaust duct in one room heats the metal, and the heat travels along the duct, igniting insulation in another room without flames passing through. Which heat transfer mode is responsible?
A) Radiation
B) Flame contact
C) Convection
D) Conduction
- 53. Investigators noticed that flames and smoke spread upward from one corner of a room. What type of fire pattern is this?
A) Movement pattern
B) Mechanical pattern
C) Electrical pattern
D) Intensity pattern
- 54. An employee burned his workplace because he was angry at his employer. What kind of motive is present?
A) Grievance
B) Self-defense
C) Accident
D) Jealousy
- 55. A stack of wooden pallets and cardboard boxes in a warehouse catches fire. By fuel, what class is this?
A) Class A
B) Class C
C) Class D
D) Class B
- 56. Which stage of fire is considered out of control and may involve conflagration or explosion?
A) Free-burning Stage
B) Heat, Conflagration, or Explosion Stage
C) Smoldering Stage
D) Boiling Point
- 57. Firefighters found multiple points of origin inside a building. What does this indicate?
A) Intentional fire setting
B) Electrical overload only
C) Natural fire spread
D) Lack of oxygen
- 58. A worker accidentally started a fire while using welding equipment in a factory. What type of fire cause is involved?
A) Arson
B) Unknown Fire
C) Accidental fire
D) Natural fire
- 59. Investigators discovered gasoline poured around a building before the fire started. What type of fire is most likely involved?
A) Arson
B) Natural Fire
C) Unknown fire
D) Accidental Fire
- 60. An investigator studies the speed at which a fire spread inside a building. What is he determining?
A) Fire dancing
B) Fire Traces
C) Fire behavior
D) Fire origin
- 61. A man burns his neighbor's house out of anger.
What crime is committed?
A) Burning of Property
B) Theft
C) Arson
D) Negligence OF Fire Hazard
- 62. Flames from a burning house ignite a neighboring house across a narrow street even though the flames never physically touch it. Which heat transfer mechanism mainly caused the second structure to ignite?
A) Flame contact
B) Radiation
C) Convection
D) Conduction
- 63. In a fire safety lecture, the instructor shows a diagram representing oxygen, heat, and fuel. What is this diagram called?
A) Tetrahedron of Fire
B) Fire Tetrahedron
C) Fire Triangle Theory
D) Triangle Fire Theory
- 64. While examining the exterior of a burned house, investigators found footprints near a broken window. What may this indicate?
A) Fire suppression activity
B) Possible point of entry
C) Electrical malfunction
D) Natural fire spread
- 65. A fire in one room directly touches a wooden door, heating it until it ignites. What is the primary method of heat transfer from the flame to the door surface?
A) Radiation
B) Flame contact
C) Conduction
D) Convection
- 66. Which extinguishing agent is most suitable for an energized electrical equipment fire while minimizing damage to sensitive equipment?
A) CO₂ for smothering without residue
B) Dry chemical with heavy particulate
C) AFFF foam blanket over electronics
D) Water spray for maximum cooling
- 67. A fire investigator discovered that the fibers of a wooden wall were decomposed and changed after a fire incident. Which element of arson is present?
A) Burning
B) Intent
C) Motive
D) Malice
- 68. During a fire investigation, the investigator wore gloves, boots, and coveralls before entering the scene. Why?
A) To identify the owner of the building
B) To protect the investigator and preserve evidence
C) To clean the fire scene faster
D) To increase fire intensity
- 69. An electric clock stopped at 2:15 AM during a fire. Investigators compared this time with the alarm report. Why?
A) To estimate approximate fire progression
B) To determine weather conditions
C) To identify the building owner
D) To replace the clock
- 70. Investigators noticed a strong kerosene odor inside a burned house. What does this suggest?
A) Natural combustion
B) Faulty Wiring
C) Self-ignition of flammable liquids
D) Possible arson
- 71. Which two modes of heat transfer explain fire spread through a heated metal pipe and the movement of hot smoke along the ceiling?
A) Conduction and radiation
B) Conduction and convection
C) Convection and oxidation
D) Radiation and flame contact
- 72. Which must first be proven in arson investigation?
A) There is a solid motive behind the act
B) A fire actually occurred
C) The suspect confessed
D) Insurance was claimed
- 73. A building owner is given time to correct a violation after inspection. What is issued?
A) Alarm notice
B) Evaluation
C) FSIC
D) Order to Comply
- 74. A suspect intentionally burned a store to collect insurance money. What classification of fire is involved?
A) Incendiary fire
B) fire Natural
C) Unknown Fire
D) Innocent fire
- 75. A suspect burned a store because he wanted revenge against the owner. What element of arson is illustrated?
A) Corpus Delicti
B) Malice
C) Burning
D) Criminal design
- 76. The following are an example of products of combustion, EXCEPT?
A) Smoke
B) Heat
C) Flame
D) Embers
- 77. Which firefighting tactic helps reduce the danger of backdraft before entry is made?
A) Fan
B) Exhaust fan
C) Vertical Ventilation
D) Horizontal Ventilation
- 78. During interior examination, investigators checked the depth of wood char near a burned sofa. Why?
A) To determine ownership of the sofa
B) To extinguish remaining flames
C) To identify building materials
D) To estimate fire duration and point of origin
- 79. The following terminology are used in the Fire Code, EXCEPT:
A) Fulminate
B) Distillation
C) Abatement
D) Arson
- 80. While examining debris, investigators removed burned materials layer by layer until reaching the floor. Why?
A) To locate hidden evidence and burn patterns
B) To estimate approximate fire progression
C) To determine the level of fire origin
D) Direction and point of fire origin
- 81. Which law in the Philippines is known as the Anti-Arson Law?
A) Presidential Decree No. 1613
B) Presidential Decree No. 1616
C) Presidential Decree No. 1175
D) Presidential Decree No. 1316
- 82. During a fire scene examination, investigators carefully sifted through the burned remains of furniture and roofing materials to locate evidence. What were they examining?
A) Exterior
B) Furnishing
C) Debris
D) Interior
- 83. During a thunderstorm, lightning strikes a tree beside a wooden house, and the house catches fire. How should this fire be classified based on cause?
A) Accidental Fire
B) Electrical fire
C) Home fire
D) Natural fire
- 84. Before collecting evidence, investigators first photographed the fire scene. Why is this important?
A) To clean the scene faster
B) To estimate property value
C) To interview witnesses
D) To preserve the original condition of evidence
- 85. Investigators observed unusual burn patterns shaped like liquid spills near the entrance of a building. What may this suggest?
A) Water damage only
B) Normal fire spread
C) Use of flammable liquid accelerants
D) Mechanical malfunction
- 86. Fire investigators classified a fire caused by faulty wiring as what type of fire?
A) Natural fire
B) Unknown Fire
C) Incendiary fire
D) Innocent fire
- 87. The fact that a crime has been committed is called:
A) Prima Facie
B) Criminal Intent
C) Modus Operandi
D) Corpus Delicti
- 88. Investigators identified the room with the heaviest fire damage. Why is this important?
A) It may indicate the point of origin
B) It determines property ownership
C) It measures smoke odor
D) It identifies the oldest room
- 89. Which is considered a "fingerprint of fire"?
A) Pattern
B) Fire Origin
C) Smoke
D) Burn patterns
- 90. A power surge travels through building wiring, causing multiple appliances to burn out and one to ignite. What classification of fire does it imply?
A) Innocent Fire
B) Accidental Fire
C) Unknown Fire
D) Incendiary Fire
- 91. During a thunderstorm, a warehouse caught fire after being struck by lightning. What type of fire cause is this?
A) Arson
B) Accidental fire
C) Natural fire
D) Unknown fire
- 92. An overloaded extension cord under a carpet overheats and ignites the carpet. How is this fire best classified based on cause?
A) Flame Fire
B) Accidental fire - purely accidental cause
C) Accidental fire - electrical accident
D) Intentional Fire
- 93. Heavy, pressurized dark smoke pushes through wall cracks in a locked room. What phenomenon threatens firefighters if they open the door without venting?
A) Flashover
B) Backdraft
C) None of these
D) Rollover
- 94. A building inspector finds the main exit doors swinging inward instead of outward. What document should the BFP issue first?
A) Notice to Comply
B) Abatement Order
C) FSIC
D) Closure Order
- 95. Deep, shiny alligatoring is found concentrated near the floor of a burned living room. What does this indicate?
A) Roof origin
B) Point of origin
C) Lightning strike
D) Chemical treatment
- 96. What must be established to prove the corpus delicti in an arson case?
A) Fact of fire and criminal intent/agency
B) Insurance policy value
C) Owner's debts
D) Eyewitness statement
- 97. When sketching a fire scene using triangulation, measurements must be taken from:
A) Paces from the door
B) Two permanent, fixed reference points
C) The room center
D) Temporary furniture
- 98. When investigating a fire scene, how should investigators process the area?
A) From most damage to least damage
B) From least burn damage toward greatest burn damage
C) From roof to basement
D) Randomly inward
- 99. What does a smooth, round, shiny arc bead on a copper wire typically indicate?
A) Chemical corrosion
B) Mechanical cutting
C) Secondary arcing from external fire heat
D) Primary arcing fault as the fire cause
- 100. An investigator finds a burnt floorboard with a distinct, elongated trail pattern that smells strongly of kerosene. What is this physical evidence called?
A) V-pattern
B) Trailer
C) Accelerant
D) Plant
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