STCW BASIC TRAINING FINAL EXAM STUDY GUIDE
2025/2026 COMPLETE QUESTIONS WITH CORRECT
DETAILED ANSWERS || 100% GUARANTEED PASS
<RECENT VERSION>
What are the conditions needed for a fire to occur?
.....Answer.......fuel (material that acts as a fuel)
sources of ignition (chemical, biological, or physical)
oxygen
What are the components of the fire tetrahedron?
.....Answer.......heat, fuel, oxygen, chain reaction
How do you stop a fire? .....Answer.......Remove any of the
components of the fire tetrahedron (i.e. remove fuel, oxygen,
heat, or interrupt the chemical reaction)
,age 2 of 55
Oxygen .....Answer.......-21% ambient air
-robust flaming combustion down to 15-16%
-surface combustion (smoldering) down to about 11%
-loss of consciousness in atmospheres with 12% or less oxygen
Heat .....Answer.......anything that produces the required
temperature for ignition
-sun
-open flame
-chemical reaction
-sparks
-friction
,age 3 of 55
Fuel .....Answer.......-only vapors burn
-liquids and solids must first be vaporized
-tendency of a substance to vaporize is an indication of its
ability to burn
-liquids vaporize more readily than solids
Chain reaction .....Answer.......-you can have oxygen, heat, and
fuel in the same place and still not have a fire
-fuel and oxygen relationship must be balanced (i.e. in the
flammable range)
-heat must be sufficient to bring fuel to its ignition
, age 4 of 55
What is a flash point (of a liquid)? .....Answer.......-the lower temp
that a liquid can give off sufficient gas to form a flammable gas
mixture near the surface of a liquid
-lowest temp at which we can have fire
-fire flashes across surface given sufficient oxygen and an
external source of ignition
What is a Fire point? .....Answer.......-just above the flash point,
liquid gives off flammable vapors rapidly enough to support
continuous combustion
What is ignition temperature? .....Answer.......-substance starts to
burn
-heat from external heat source
-auto-ignitio, no external source of ignition needed