ECCB 303 EXAM 3 QUESTIONS AND
ANSWERS 100% PASS
Combustion - ANS a chemical chain reaction between fuel and O2 that is initiated by and
releases heat
fire fundamentals triangle - ANS three requirement for fir
O2
Heat
Fuel
fuel - ANS plant biomass
organic (carbon-based) compounds
produced through photosynthesis
light(energy) + 6CO2 (low energy carbon (oxidized C)) + 6H2O -> C6H12O6 (high energy carbon
(reduced C)/ Glucose/sugar) + 6O2 - ANS
glucose - ANS
cellulose(glucose polymer) - ANS most abundant compound in wildland fuel
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, oxygen - ANS electron acceptor in combustion reaction
O2 21% of atm
N2 78%
Argon 0.93%
CO2 0.04%
O2 - ANS 21% of atm
N2 - ANS 78%
Argon - ANS 0.93%
CO2 - ANS 0.04%
426 ppm in 2024 (280 ppm pre-industrial)
Heat - ANS energy transfer due to a difference in temp.
Convection (energy transfer) - ANS transfer of energy via fluid movement (liquid/gas)
includes flame contact and circulation of heated air
Radiation (energy transfer) - ANS transfer of energy via UV, visible, and infrared light
conduction (energy transfer) - ANS transfer of energy through solid matter
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
ANSWERS 100% PASS
Combustion - ANS a chemical chain reaction between fuel and O2 that is initiated by and
releases heat
fire fundamentals triangle - ANS three requirement for fir
O2
Heat
Fuel
fuel - ANS plant biomass
organic (carbon-based) compounds
produced through photosynthesis
light(energy) + 6CO2 (low energy carbon (oxidized C)) + 6H2O -> C6H12O6 (high energy carbon
(reduced C)/ Glucose/sugar) + 6O2 - ANS
glucose - ANS
cellulose(glucose polymer) - ANS most abundant compound in wildland fuel
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, oxygen - ANS electron acceptor in combustion reaction
O2 21% of atm
N2 78%
Argon 0.93%
CO2 0.04%
O2 - ANS 21% of atm
N2 - ANS 78%
Argon - ANS 0.93%
CO2 - ANS 0.04%
426 ppm in 2024 (280 ppm pre-industrial)
Heat - ANS energy transfer due to a difference in temp.
Convection (energy transfer) - ANS transfer of energy via fluid movement (liquid/gas)
includes flame contact and circulation of heated air
Radiation (energy transfer) - ANS transfer of energy via UV, visible, and infrared light
conduction (energy transfer) - ANS transfer of energy through solid matter
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.