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