ThatQuiz Test Library Take this test now
CDI-5
Contributed by: delos santos
  • 1. The Fire Triangle illustrates that fire cannot exist without all three elements. Which combination correctly represents the Fire Triangle?
A) Oxygen, Flame, Ignition
B) Fuel, Oxygen, Heat
C) Heat, Smoke, Flame
D) Fuel, Oxygen, Chemical Chain Reaction
  • 2. The Fire Tetrahedron adds one more element to the Fire Triangle. What does this additional element represent?
A) Smoke production
B) Heat radiation
C) Chemical chain reaction
D) Fuel expansion
  • 3. Which of the following BEST describes “products of combustion”?
A) Substances produced as a result of burning
B) Materials that resist burning
C) Chemicals used to extinguish fire
D) Materials used to ignite fire
  • 4. Smoke, heat, and toxic gases released during burning are examples of:
A) Combustion by-products
B) Thermal energy
C) Fire hazards
D) Fire extinguishing agents
  • 5. Friction, electricity, and chemical reaction are examples of what?
A) Sources of heat energy
B) Flame types
C) Products of fire spread
D) Forms of oxygen
  • 6. Which source of heat energy occurs when two objects rub together and produce heat?
A) Chemical heat
B) Solar heat
C) Mechanical heat
D) Electrical heat
  • 7. Heat transfer by direct physical contact between molecules is known as:
A) Radiation
B) Expansion
C) Convection
D) Conduction
  • 8. Which method of heat transfer is responsible for the upward movement of hot gases and smoke during a fire?
A) Conduction
B) Radiation
C) Reflection
D) Convection
  • 9. During which stage of fire development does the fire rapidly grow and heat build up, eventually leading to possible flashover?
A) Fully developed stage
B) Incipient stage
C) Decay stage
D) Growth stage
  • 10. The final stage of fire development, characterized by a drop in fuel or oxygen and reduced flame activity, is the:
A) Fully developed stage
B) Ignition stage
C) Decay stage
D) Growth stage
  • 11. A kitchen fire starts when oil on a pan overheats and ignites. Which element of the Fire Triangle was the FIRST to increase, causing the ignition?
A) Chemical chain reaction
B) Heat
C) Fuel
D) Oxygen
  • 12. A firefighter removes burning materials from a room to stop the fire from spreading. Which part of the Fire Triangle is being eliminated?
A) Fuel
B) Chemical chain reaction
C) Oxygen
D) Heat
  • 13. When a chemical fire continues to burn even after removing heat and fuel, which element of the Fire Tetrahedron is sustaining the fire?
A) Carbon dioxide
B) Oxygen
C) Chemical chain reaction
D) Water vapor
  • 14. firefighter enters a smoke-filled room and notices reduced visibility and strong toxic fumes. Which product of combustion is causing the MOST danger in this scenario?
A) Heat
B) Toxic gases
C) Steam
D) Light
  • 15. A wooden building ignites due to a lightning strike during a storm. Which source of heat energy triggered the fire?
A) Chemical heat
B) Mechanical heat
C) Solar heat
D) Electrical heat
  • 16. A steel beam heats up because it is directly touching a burning wooden wall. Which method of heat transfer is responsible?
A) Radiation
B) Conduction
C) Convection
D) Reflection
  • 17. Thick, black smoke rapidly fills the upper portion of a room and begins to push downward as temperature rises. Which method of heat transfer explains this movement?
A) Conduction
B) Radiation
C) Convection
D) Refractive heating
  • 18. A fire investigator concludes that sunlight passing through a broken glass window concentrated heat onto a rug, causing ignition. Which heat source is being applied here?
A) Electrical
B) Mechanical
C) Chemical
D) Solar
  • 19. A fire suddenly engulfs an entire room after heat builds up and gases reach ignition temperature. Which stage of fire development is demonstrated?
A) Growth
B) Flashover leading to fully developed stage
C) Incipient
D) Fully developed
  • 20. After firefighters knock down most of the flames, the fire weakens because combustible materials are consumed. Which stage of fire development is the fire entering?
A) Fully developed stage
B) Decay stage
C) Growth stage
D) Incipient stage
  • 21. A Class A fire involves which type of material?
A) Combustible metals
B) Flammable liquids
C) Ordinary combustibles like wood and cloth
D) Electrical equipment
  • 22. A fire involving gasoline and oil is classified as:
A) Class C
B) Class D
C) Class B
D) Class A
  • 23. What type of fire extinguisher is MOST appropriate for an electrical fire?
A) Foam extinguisher
B) Wet chemical extinguisher
C) CO₂ or dry chemical extinguisher
D) Water extinguisher
  • 24. Which fire extinguishing method works by lowering the temperature below ignition point?
A) Smothering
B) Inhibiting chemical chain reaction
C) Starvation
D) Cooling
  • 25. Removing combustible materials from a burning area is an example of which extinguishing method?
A) Chemical inhibition
B) Smothering
C) Cooling
D) Starvation
  • 26. The BEST method to extinguish a Class K (kitchen) fire caused by hot cooking oil is:
A) Smother with a lid or use wet chemical extinguisher
B) Lower the room temperature
C) Use a CO₂ extinguisher
D) Pour water directly
  • 27. Fire prevention primarily focuses on:
A) Responding to fires that have already started
B) Educating the public and eliminating hazards before ignition
C) Investigating causes of existing fires
D) Suppressing flames as quickly as possible
  • 28. Fire suppression refers to:
A) Stopping fires from starting
B) Training firefighters
C) Investigating the fire’s cause
D) Controlling and extinguishing active fires
  • 29. Which phase of firefighting includes exposure protection and preventing the fire from spreading?
A) Mop-up phase
B) Confinement phase
C) Overhaul phase
D) Rescue phase
  • 30. After the main fire is extinguished, firefighters check for hidden embers and remaining hotspots. This activity is part of the:
A) Rescue phase
B) Initial attack phase
C) Overhaul phase
D) Size-up phase
  • 31. Which fire class involves combustible solids like wood, cloth, and paper?
A) Class B
B) Class C
C) Class A
D) Class D
  • 32. What is the most appropriate extinguishing method for Class A fires?
A) Using CO₂
B) Smothering with foam
C) Cooling with water
D) Using dry powder
  • 33. Which fire class involves flammable liquids such as gasoline, oil, or paint?
A) Class B
B) Class C
C) Class K
D) Class D
  • 34. Which extinguishing agent is recommended for electrical (Class C) fires?
A) CO₂ or dry chemical powder
B) Wet chemical agent
C) Water extinguisher
D) Sand
  • 35. Which method of extinguishing fire works by removing oxygen from the fire triangle?
A) Starvation
B) Smothering
C) Radiation
D) Cooling
  • 36. Which of the following is the BEST example of fire prevention?
A) Performing regular maintenance on electrical systems
B) Using foam to stop fire growth
C) Removing burning materials
D) Closing doors to slow fire spread
  • 37. What is the FIRST phase of firefighting?
A) Size-up
B) Overhaul
C) Suppression
D) Salvage
  • 38. During which phase of firefighting do firefighters primarily work to extinguish the fire and stop its spread?
A) Suppression
B) Overhaul
C) Control
D) Salvage
  • 39. The phase in which firefighters search for hidden embers and prevent rekindling is called:
A) Salvage
B) Control
C) Overhaul
D) Size-up
  • 40. Which action is part of fire control rather than fire prevention?
A) Installing smoke detectors
B) Properly storing flammable liquids
C) Educating the public about fire hazards
D) Confine the fire to its area of origin
  • 41. Which of the following is an example of active fire protection?
A) Fire-resistant walls
B) Fire doors
C) Fire-stopping materials
D) Fire sprinkler system
  • 42. Which device detects smoke particles in the air using a light beam?
A) Heat detector
B) CO detector
C) Ionization detector
D) Photoelectric smoke detector
  • 43. Which of the following is considered passive fire protection?
A) Fire-rated walls and ceilings
B) Automatic sprinklers
C) Fire extinguishers
D) Fire alarm systems
  • 44. What type of detector activates when the temperature reaches a set level?
A) Smoke detector
B) Flame detector
C) Carbon monoxide detector
D) Heat detector
  • 45. Which fire suppression system uses water as its primary extinguishing agent?
A) FM-200 system
B) Water sprinkler system
C) CO₂ system
D) Dry chemical system
  • 46. Which component alerts building occupants during a fire emergency?
A) Control panel
B) Heat detector
C) Manual pull station
D) Alarm sounder or bell
  • 47. The main function of a flame detector is to detect:
A) Carbon monoxide levels
B) Smoke particles
C) Visible or infrared light from flames
D) Rising temperature
  • 48. Which system must be manually activated by a person?
A) Fire pump
B) Manual pull station
C) Smoke detector
D) Automatic sprinkler
  • 49. Fire doors are classified as what type of fire protection?
A) Passive
B) Detection system
C) Active
D) Special protection
  • 50. Which fire suppression agent is best for protecting sensitive electronic equipment?
A) FM-200
B) Sand
C) CO₂
D) Water
  • 51. Which device sends signals to the fire alarm control panel once smoke or heat is detected?
A) Fire hose reel
B) Sprinkler head
C) Automatic detector
D) Fire vent
  • 52. A fire alarm control panel is considered:
A) Passive fire component
B) System control center
C) Notification appliance
D) Detection equipment
  • 53. Which of the following is not an active fire protection system?
A) Fire alarm
B) Fire-resistant flooring
C) Smoke detector
D) Fire hose reel
  • 54. Which type of suppression system releases fine mist to cool and smother the fire?
A) Wet pipe sprinkler
B) CO₂ system
C) Water mist system
D) Dry chemical system
  • 55. The purpose of passive fire protection is to:
A) Contain fire and prevent spread
B) Detect fire early
C) Notify building occupants
D) Suppress fire automatically
  • 56. Which system activates only after a sprinkler head’s glass bulb bursts?
A) Deluge system
B) Wet pipe sprinkler system
C) Dry pipe system
D) CO₂ flooding system
  • 57. What component is used to manually signal a fire emergency?
A) Smoke barrier
B) Manual call point
C) Fire damper
D) Fire extinguisher bracket
  • 58. Fire dampers installed in air ducts are an example of:
A) Active suppression
B) Active fire detection
C) Alarm notification
D) Passive fire protection
  • 59. A device that sounds an alarm when smoke levels exceed a threshold is a:
A) Fire hydrant
B) Fire hose
C) Smoke detector
D) Ventilation damper
  • 60. Which equipment actively releases an extinguishing agent to control fire?
A) Fire-rated doors
B) Fire partitions
C) Fire-resistant walls
D) Fire sprinkler
  • 61. Which law governs the penal provisions for arson that replaced Article 320 of the Revised Penal Code?
A) RA 9851
B) PD 1613
C) PD 1602
D) RA 9262
  • 62. Under PD 1613, which is considered simple arson?
A) Burning a school building
B) Burning a warehouse used as storage for goods
C) Burning an inhabited house
D) Burning a government office
  • 63. Which of the following constitutes destructive arson under PD 1613?
A) Burning a public building or government-owned structure
B) Burning an uninhabited hut
C) Burning one’s own belongings inside a private room
D) Burning a pile of garbage
  • 64. What is the essential element of arson under PD 1613?
A) Intentional and malicious burning of property
B) Burning occurred due to natural causes
C) The property is damaged due to negligence
D) The fire was caused by accident
  • 65. Under PD 1613, which of the following acts does NOT constitute arson?
A) Burning grass in an empty lot accidentally
B) Burning a neighbor’s vehicle out of revenge
C) Setting fire to a building used for business
D) Deliberately burning crops belonging to another
  • 66. What is the penalty for destructive arson under PD 1613?
A) Reclusion temporal
B) Fine only
C) Arresto mayor
D) Reclusion perpetua to death
  • 67. Which scenario qualifies as arson “committed by means of explosion” under PD 1613?
A) A person accidentally drops gasoline near a flame
B) A person uses a bomb to set a building on fire
C) Fire spreads naturally due to strong wind
D) A fire starts because of faulty electrical wiring
  • 68. Under PD 1613, burning a building that is inhabited or used as a dwelling is classified as:
A) Simple arson
B) Negligent arson
C) Destructive arson
D) Accidental burning
  • 69. Which act constitutes attempted arson under PD 1613?
A) The suspect reports a fake fire
B) The suspect successfully burns a house
C) The suspect prepares gasoline but takes no action
D) The suspect lights a match and places it on property but fire fails to spread
  • 70. Under PD 1613, which is a qualifying circumstance that increases criminal liability for arson?
A) Arson committed on an empty field
B) Fire caused by lightning
C) Arson committed accidentally
D) Arson committed to conceal another crime
  • 71. A man intentionally burns his own warehouse to collect insurance. The fire spreads and destroys his neighbor’s store. What crime is he liable for under PD 1613?
A) No crime, since it was his own property
B) Destructive arson
C) Simple arson
D) Arson with intent to defraud
  • 72. A tenant sets fire to the apartment unit he is renting due to anger at the landlord. The apartment contains multiple dwellers. What type of arson applies?
A) Accidental arson
B) Destructive arson
C) Attempted arson
D) Simple arson
  • 73. A farmer burns his own rice field intentionally. The act is contained to his property only. What crime, if any, did he commit?
A) Simple arson
B) Destructive arson
C) No arson
D) Malicious mischief
  • 74. A person pours gasoline on a neighbor’s car and lights it on fire. The car is parked in an open garage attached to the house. What is the most appropriate classification?
A) Attempted arson
B) Destructive arson
C) Malicious burning
D) Simple arson
  • 75. A suspect lights a cloth soaked in gasoline and places it inside a store at night, but the fire dies out before spreading. What crime is committed?
A) Attempted arson
B) Simple arson
C) Destructive arson
D) No crime
  • 76. A student accidentally knocks over a candle that burns part of a classroom wall. What crime applies under PD 1613?
A) Destructive arson
B) Accidental fire (no arson)
C) Reckless imprudence resulting in damage
D) Simple arson
  • 77. A man burns a public market stall to destroy evidence after stealing valuables. Which qualifies this act under PD 1613?
A) Accidental burning
B) Arson with a qualifying circumstance
C) Destructive arson
D) Simple arson
  • 78. A factory owner purposely sets fire to a storage building containing toxic chemicals, causing danger to nearby residents. How is this classified?
A) Attempted arson
B) Simple arson
C) Destructive arson
D) Malicious mischief
  • 79. A child throws a lit match inside an uninhabited abandoned house as a prank, causing it to burn down. What is the legal implication?
A) No arson since the building is abandoned
B) Simple arson because the structure is not inhabited
C) Destructive arson
D) Attempted arson
  • 80. A person sets fire to a church using gasoline. No one is inside, but the building is severely damaged. How is this evaluated under PD 1613?
A) Destructive arson
B) Simple arson
C) Accidental arson
D) Attempted arson
  • 81. When arriving at a fire scene, what is the first step in evaluating it?
A) Remove debris to access the fire origin
B) Start extinguishing the fire immediately
C) Interview witnesses before observing the scene
D) Conduct a systematic scene survey
  • 82. A char pattern on a wooden floor forms a V-shape pointing toward a wall. What does this indicate?
A) Fire originated near the wall
B) Fire moved randomly
C) Fire was caused by electrical fault
D) Fire started on the ceiling
  • 83. Deep charring on the floor and furniture in one room suggests what about the fire?
A) The fire burned slowly
B) The fire started elsewhere
C) The fire was electrical
D) That room is likely the point of origin
  • 84. Which type of evidence is MOST important for determining the cause of a fire?
A) Firefighter reports only
B) Witness statements only
C) Burn patterns
D) Newspaper articles
  • 85. A room shows heavy charring near an outlet. What is the likely cause of fire?
A) Arson
B) Lightning strike
C) Electrical malfunction
D) Cooking accident
  • 86. If multiple small V-shaped patterns are found pointing toward one spot on the floor, this usually indicates:
A) Fire started from a single point
B) Fire started from multiple points (possible arson)
C) Fire moved randomly
D) Fire was accidental
  • 87. Heavy smoke staining on walls near the ceiling helps investigators determine:
A) The time the fire started
B) The spread and direction of fire
C) The exact cause of the fire
D) Who caused the fire
  • 88. Alligatoring of wood surfaces (cracks in char resembling alligator skin) indicates:
A) Water was applied early
B) Fire started recently
C) The intensity and duration of burning
D) Fire was caused by chemicals
  • 89. Which observation suggests the fire may have been intentionally set?
A) Single area of deep charring
B) Fire confined to kitchen appliances
C) Multiple points of origin
D) Uniform burn throughout the room
  • 90. Burn patterns that show “inverted cones” or holes in the ceiling usually indicate:
A) Fire burned slowly
B) Fire was electrical
C) Fire involved accelerants
D) Fire started on the floor
  • 91. At a fire scene, investigators notice that a single room is almost completely charred while adjacent rooms are lightly damaged. What does this suggest?
A) The fire originated in the adjacent rooms
B) The heavily charred room is likely the point of origin
C) The fire was accidental
D) The fire started on the roof
  • 92. A V-shaped burn pattern on a wooden wall points toward a corner. What can be inferred?
A) Fire originated on the ceiling
B) Fire was caused by natural causes
C) Fire likely originated at that corner
D) Fire moved away from the corner
  • 93. Investigators find multiple deep charring points in different areas of a room. What conclusion is most reasonable?
A) Fire was caused by lightning
B) Fire was caused by faulty ventilation
C) Fire started accidentally from one source
D) Fire may have been intentionally set (possible arson)
  • 94. Heavy smoke staining is observed on the upper walls and ceiling. What information does this provide?
A) The fire was caused by an electrical fault
B) The fire was intentionally set
C) The fire started at ceiling level
D) The fire started low and spread upwards
  • 95. Alligatoring of wooden surfaces is present in the room. What does this indicate?
A) Fire was brief and low intensity
B) Fire involved water accelerants
C) Fire was accidental
D) Fire was intense and lasted a significant duration
  • 96. A kitchen shows charring confined only to the stove area with minimal damage elsewhere. What is the most likely cause?
A) Arson
B) Lightning strike
C) Electrical fire
D) Cooking accident
  • 97. Inverted cone burn patterns are observed on the floor and walls. What does this suggest about the fire?
A) Fire was caused by electrical short circuit
B) Fire started in the ceiling
C) Accelerants were likely used
D) Fire was caused by a natural source
  • 98. Investigators note a burn pattern that moves from a lower corner to the ceiling in a distinct path. What can be inferred?
A) Fire originated on the ceiling
B) Fire was accidental
C) Fire started at the lower corner and spread upward
D) Fire was intentionally started on the roof
  • 99. A garage has several burn patterns concentrated near stored gasoline cans. What is the likely cause of fire?
A) Fire ignited using accelerants
B) Lightning strike
C) Spontaneous combustion
D) Electrical malfunction
  • 100. Multiple rooms show similar V-shaped burn patterns pointing toward a central point. What does this suggest about the fire scene?
A) Fire started outside the building
B) Central point may indicate multiple ignition sources (possible arson)
C) Fire was accidental
D) Fire spread from the ceiling
Created with That Quiz — a math test site for students of all grade levels.