ECCB 303 EXAM 3 QUESTIONS AND ANSWERS 100% PASS

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.