CDI6-FITAIN
  • 1. The fire triangle consists of?
A) Oxygen, fuel, heat
B) Combustion, smoke, flame
C) Fuel, air, ignition
D) Heat, fuel, chemical chain reaction
  • 2. The fire tetrahedron differs from the fire triangle by including?
A) Oxygen
B) Chemical chain reaction
C) Heat
D) Fuel
  • 3. Which is not a product of complete combustion?
A) Carbon dioxide
B) Carbon monoxide
C) Heat energy
D) Water vapor
  • 4. Primary source of heat in spontaneous combustion?
A) Open flame
B) Sunlight
C) Electrical sparks
D) Internal chemical reaction
  • 5. Conduction transfers heat through?
A) Direct molecular contact
B) Electromagnetic waves
C) Fluid movement
D) Convection currents
  • 6. Convection transfers heat by?
A) Fluid movement
B) Molecular vibrations
C) Fire suppression
D) Radiation from fire
  • 7. Stage of fire with rapid spread and full involvement of materials?
A) Fully developed
B) Growth
C) Decay
D) Incipient
  • 8. A fire in the incipient stage is best controlled by?
A) Ventilation control
B) Letting it burn
C) Portable extinguisher
D) Fire department only
  • 9. Primary sources of ignition include?
A) Spontaneous heating
B) All of the above
C) Friction
D) Solar heat
  • 10. The tetrahedron model emphasizes suppression by removing?
A) Heat, fuel, oxygen, or chain reaction
B) Flame
C) Smoke
D) Water only
  • 11. Class A fire involve?
A) Electrical equipment
B) Ordinary combustibles
C) Metals
D) Flammable liquids
  • 12. Fire prevention focuses on?
A) Controlling smoke
B) Eliminating ignition sources
C) Extinguishing after ignition
D) Rescue
  • 13. Primary goal of fire suppression?
A) Post-fire investigation
B) Let it burn safely
C) Confine and extinguish fire
D) Observe pattern
  • 14. Fire triangle element that can be removed to extinguish fire?
A) Oxygen
B) Heat
C) Fuel
D) Any of the above
  • 15. Passive fire protection includes?
A) Smoke detectors
B) Sprinklers
C) Fire alarms
D) Fire-resistant walls and doors
  • 16. Small fire in trash can, appropriate action?
A) Fire-resistant walls and doors
B) Growth stage, portable extinguisher
C) Fully developed, water hose
D) Decay, foam
  • 17. Black smoke and incomplete combustion products indicate?
A) Flashover
B) Incomplete combustion
C) Complete combustion
D) Spontaneous combustion
  • 18. Heat transferring via direct contact to nearby metal beam demonstrates?
A) Combustion
B) Convection
C) Conduction
D) Radiation
  • 19. Multiple ignition sources suggest manipulation of which fire tetrahedron element?
A) Chain reaction
B) Heat
C) Oxygen
D) Fuel
  • 20. Hot gases rising in a room illustrate?
A) Conduction
B) Convection
C) Radiation
D) Combustion
  • 21. Heat damage patterns suggest which fire stage?
A) Growth
B) Fully developed
C) Incipient
D) Decay
  • 22. Removing oxygen to extinguish a fire demonstrates?
A) Remove oxygen
B) Remove fuel
C) Remove heat
D) Disrupt chain reaction
  • 23. Electrical short circuit causes fire; heat source is?
A) Electrical
B) Mechanical
C) Chemical
D) Solar
  • 24. Heat radiating across room without contact is?
A) Conduction
B) Diffusion
C) Convection
D) Radiation
  • 25. Flashover occurs in which stage?
A) Decay
B) Fully developed
C) Growth
D) Incipient
  • 26. Homeowner leaves stove on; fire occurs. Type of arson?
A) Accidental
B) Malicious
C) Qualified
D) Negligent
  • 27. Intentionally burning neighbor’s warehouse is?
A) Malicious arson
B) Negligent arson
C) Accidental fire
D) Qualified arson
  • 28. Fire caused to commit insurance fraud is?
A) Negligent fire
B) Simple arson
C) Qualified arson
D) Accidental
  • 29. Aggravating factor under PD 1613: Fire occurs at night
A) Not an aggravating circumstance
B) A qualifying circumstance
C) Special aggravating circumstance
D) generic aggravating circumstance
  • 30. Small electrical fire in transformer; extinguisher?
A) Water
B) CO₂
C) Dry powder
D) Foam
  • 31. Shutting off fuel supply during fire represents?
A) Remove oxygen
B) Interrupt chain reaction
C) Remove fuel
D) Remove heat
  • 32. Ventilation of smoke in structure fire is part of?
A) Suppression
B) Rescue
C) Exposure protection
D) Overhaul
  • 33. Dry powder used to interrupt chemical reaction is?
A) Starvation
B) Smothering
C) Cooling
D) Chain reaction interruption
  • 34. Fire drills and training represent?
A) Overhaul
B) Suppression
C) Investigation
D) Prevention
  • 35. Hose application to limit warehouse fire spread is part of?
A) Rescue
B) Exposure protection and suppression
C) Overhaul
D) Investigation
  • 36. Class D fire in metal factory; extinguishing strategy?
A) Cloth
B) Dry powder
C) Water
D) Foam
  • 37. Cooling embers after fire is part of?
A) Overhaul
B) Prevention
C) Rescue
D) Suppression
  • 38. Removing flammable chemicals in lab is?
A) PPE
B) Overhaul
C) Engineering control
D) Administrative control
  • 39. Foam applied to flammable liquid spill while evacuating people combines?
A) Chain reaction disruption; Overhaul
B) Smothering; Rescue & Suppression
C) Starvation; Prevention
D) Cooling; Rescue
  • 40. CO₂ extinguisher in computer server room used to?
A) Cool fire
B) Remove fuel
C) Avoid water damage while displacing oxygen
D) Overhaul
  • 41. Water lines to protect exposures illustrate?
A) Overhaul
B) Rescue
C) Suppression & exposure protection
D) Prevention
  • 42. Coordinated firefighting teams demonstrate?
A) Prevention
B) Overhaul
C) Rescue only
D) Fireground management during suppression
  • 43. Removing gasoline spill fire by taking unignited fuel?
A) Removing fuel
B) Smothering
C) Interrupt chain reaction
D) Cooling
  • 44. Covering oil-soaked rags with metal lid is?
A) Water application
B) Chain reaction interruption
C) Cooling
D) Smothering
  • 45. Heat and flame patterns near doorway help to?
A) Rescue
B) Determine fire origin
C) Suppression methods
D) Fire classification
  • 46. V-shaped burn pattern indicates?
A) Electrical fire
B) Point of origin at bottom of V
C) Suppression error
D) Accelerants
  • 47. Heavy ceiling fire, furniture intact; fire started?
A) High
B) Floor level
C) Explosion
D) Accidental
  • 48. Irregular burn and accelerant residues suggest?
A) Electrical fire
B) Accidental fire
C) Arson
D) Spontaneous combustion
  • 49. Soot distribution analysis used to?
A) Age building
B) Suppression efficiency
C) Rescue
D) Identify fire origin & cause
  • 50. Burn patterns spreading outward from center indicate?
A) Electrical fault
B) Multiple points
C) Arson excluded
D) Fire started at single point
  • 51. Multiple ignition sources suggest?
A) Electrical fire
B) Standard growth
C) Intentional fire (arson)
D) Single accidental fire
  • 52. Smoke swirling along ventilation paths indicates?
A) Fire suppressed quickly
B) Passive failure
C) Fire spread influenced by air movement
D) Fire started at ceiling
  • 53. Corners burned, center lightly charred suggest?
A) Accelerants in corners
B) Standard suppression
C) Accidental fire at center
D) Electrical fire
  • 54. Irregular charring at multiple entries suggests?
A) Electrical origin
B) Multiple origin (arson)
C) Accidental fire
D) Single source
  • 55. Alligatoring on wood indicates?
A) Soot removal
B) Passive efficiency
C) Fire intensity & spread
D) Age
  • 56. Active detection requires?
A) Sprinklers
B) Fire-resistant walls
C) Passive alarms
D) Sensors or devices
  • 57. Smoke detectors are?
A) Suppression
B) Alarm only
C) Active detection
D) Passive detection
  • 58. Fire-rated walls are?
A) Active detection
B) Alarm components
C) Sprinklers
D) Passive protection
  • 59. Fire alarm control panel functions to?
A) Contain fuel
B) Suppress fire
C) Detect smoke & trigger alarm
D) Ventilate smoke
  • 60. Manual pull stations activate?
A) Passive detection
B) Sprinkler suppression
C) Active detection & alarm
D) Fireproof barrier
  • 61. Sprinkler with heat sensor?
A) Alarm only
B) Overhaul tool
C) Active detection & suppression
D) Passive protection
  • 62. Multiple points of origin indicate?
A) Intentional/arson
B) Electrical fire
C) Spontaneous fire
D) Accidental
  • 63. Standpipe system is?
A) Alarm system
B) Detection
C) Active suppression support
D) Passive barrier
  • 64. Flame detector in storage?
A) Active detection
B) Overhaul
C) Passive detection
D) Alarm only
  • 65. Arson requires?
A) Only fire & damage
B) Negligence
C) Malice, fire, property damage
D) Rescue operations
  • 66. Fire set to intimidate workers?
A) Simple negligence
B) Qualified arson
C) Passive failure
D) Suppression act
  • 67. Explosive material fire classification?
A) Negligent fire
B) Passive failure
C) Simple arson
D) Qualified arson with aggravation
  • 68. Arson with insurance fraud is?
A) Passive violation
B) Negligent fire
C) Malicious/qualified
D) Simple fire
  • 69. Aggravating factors include?
A) Own property
B) Fire extinguished
C) Unoccupied building
D) Nighttime fire
  • 70. Multiple V-patterns in rooms suggest?
A) Single accidental
B) Standard growth
C) Electrical
D) Multiple ignition points
  • 71. Accelerants and irregular burn patterns suggest?
A) Negligence
B) Passive failure
C) Accidental
D) Arson
  • 72. Char depth analysis estimates?
A) Suppression
B) Fire intensity & duration
C) Ownership
D) Building age
  • 73. Smoke residue on ceiling traces?
A) Property value
B) Overhaul
C) Fire path & movement
D) Fire age
  • 74. Rapid charring on floorboards indicates?
A) Suppression effective
B) Fire origin near floor
C) Accelerants
D) Passive failure
  • 75. Fire scene with multiple points of origin & entries?
A) Electrical
B) Suppression error
C) Likely arson
D) Accidental
  • 76. Malicious arson evaluation considers?
A) Financial loss only
B) Alarm presence
C) Time of day only
D) Intent, property type, risk to life
  • 77. Arson for tax evasion is?
A) Qualified due to fraud & malice
B) Negligent
C) Prevention violation
D) Accidental
  • 78. Differentiating arson vs accidental?
A) Fire department arrival
B) Malicious intent & accelerants
C) Detection time
D) Fire extinguishers
  • 79. Fire set at night in multi-unit building?
A) Department arrival
B) Property value
C) Time & risk to human life
D) Sprinkler presence
  • 80. Fire intentionally set in school; investigators focus on?
A) Sprinkler efficiency
B) Malice, risk, property damage
C) Passive protection
D) Detection only
  • 81. Torch used to ignite neighbor’s house?
A) Suppression oversight
B) Passive failure
C) Malicious arson
D) Negligent
  • 82. Use of flammable liquids aggravates?
A) Penalty
B) Irrelevant
C) Reduces penalty
D) Suppression
  • 83. Burn patterns concentrated in doorway?
A) Electrical fault
B) Random
C) Accelerants
D) Point of origin
  • 84. Irregular burn near ceiling vent indicates?
A) Fire started at floor
B) Point of origin
C) Air-influenced fire spread
D) Electrical fault
  • 85. Alligatoring on wooden surfaces helps analyze?
A) Passive efficiency
B) Fire intensity & spread
C) Wood age
D) Soot removal
  • 86. Investigators find burn patterns leading to multiple disconnected points. This suggests?
A) Electrical fire only
B) Accidental fire
C) Multiple ignition sources indicating possible arson
D) Passive protection failure
  • 87. Heavy charring near flammable chemical containers indicates?
A) Standard fire growth
B) Intentional ignition using accelerants
C) Electrical short
D) Spontaneous fire
  • 88. Fire spreading faster along flammable liquid trails suggests?
A) Passive protection success
B) Overhaul procedure
C) Use of accelerants to intentionally spread fire
D) Accidental fire
  • 89. V-patterns leading to multiple walls indicate?
A) Multiple intentional points of origin
B) Electrical fault
C) Standard flame progression
D) Single accidental origin
  • 90. Burn pattern analysis in a warehouse shows fire intensifying near doors and windows. This could indicate?
A) Passive protection
B) Electrical short only
C) Fire started at roof
D) Fire spread influenced by ventilation
  • 91. Charring on floorboards with minimal ceiling damage helps determine?
A) Passive protection breach
B) Electrical origin only
C) Fire suppression success
D) Fire origin near floor
  • 92. Irregular alligatoring and deep char in multiple rooms suggests?
A) Accidental fire
B) Malicious arson with multiple ignition points
C) Spontaneous combustion
D) Electrical short
  • 93. Accelerant residue found at several points in a building supports?
A) Negligent fire
B) Intentional arson
C) Electrical fault
D) Passive detection failure
  • 94. Burn patterns in a stairwell indicate rapid vertical fire spread. This analysis helps investigators determine?
A) Fire intensity and movement
B) Fire extinguisher placement
C) Fire origin only
D) Building age
  • 95. Smoke staining on ceiling beams, concentrated near vent openings, suggests?
A) Negligent fire
B) Fire spread influenced by air currents
C) Fire origin near ceiling
D) Passive protection failure
  • 96. Multiple points of heavy charring near electrical panels and doorways indicate?
A) Fireproofing failure
B) Fire suppressed too early
C) Single accidental fire
D) Possible deliberate ignition with accelerants
  • 97. Burn patterns radiating from overturned containers of flammable liquid indicate?
A) Passive protection violation
B) Arson using accelerants
C) Accidental spill fire
D) Electrical fire
  • 98. “U-shaped” char patterns on walls and furniture suggest?
A) Passive protection success
B) Single accidental origin
C) Multiple intentional ignition points
D) Fire spread naturally
  • 99. Rapid fire spread in interconnected rooms, unusual charring on supporting beams, indicates?
A) Standard growth
B) Overhaul stage only
C) Potential arson with accelerants
D) Electrical origin
  • 100. Investigators conclude that unusual burn patterns, multiple points of origin, and accelerant residue together suggest?
A) Negligent fire
B) Malicious arson
C) Fire suppression error
D) Electrical short
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