Basic Firefighting Questions and Correct Answers/ Latest Update / Already Graded

Page |1


Basic Firefighting Questions and Correct
Answers/ Latest Update / Already Graded
#1 Cause of fire on ships... and others

Ans: CARELESS SMOKING HABITS!!!
-DISPOSAL
-SMOKING IN BED
-DISREGARD FOR RESTRICTED
AREAS


POOR HOUSEKEEPING
-Dirty/oily machinery
-Clothes drier lint accumulation
-Improper , non- secured storage


THE ELEMENTS OF FIRE (fire tetrahedron)

Ans: Heat, oxygen, fuel and chemical chain reaction


Heat

Ans: Anything that produces the required temperature for
ignition will satisfy this leg of the triangle



All rights reserved © 2025/ 2026 |

, Page |2


-Sun
-Open Flame
-Chemical Reaction
-Sparks
-Friction
-Static Electricity


Oxygen

Ans: The Earth's atmosphere consists of 21% oxygen. Because
fire needs oxygen to burn, the amount of oxygen available to it
controls the rate at which it burns.


Fuel

Ans: -Only vapors burn


-Liquids & solids must first be vaporized


Tendency of a substance to vaporize is an indication of
_________________________

Ans: its ability to burn.




All rights reserved © 2025/ 2026 |

, Page |3

_____________ vaporize more readily than _____________

Ans: Liquids
solids


( Gasoline has a flash point of -45 f )


Gases are already in a _________ state

Ans: vapor


Chain Reaction

Ans: You can have Oxygen - Heat - Fuel in the same place at
the same time and still not have a fire


Heat must be sufficient to bring fuel to its Ignition Temperature


FUEL - OXYGEN relationship must be balanced, i.e., be in the
_________________________

Ans: Flammable Range


Five classes of fire:

Ans: 1. Class A - combustible solids

All rights reserved © 2025/ 2026 |