questions and answers 2024\2025 A+
Grade
3 basic components of a fire
- correct answer Fuel, Heat, Oxygen
Toxic materials are released into the air during what processes?
- correct answer Demolition and reconstruction
When working in areas with loose soot residue,
- correct answer Utilize appropriate engineering tools, PPE, AFDs
The average size of a smoke particulate is
- correct answer .1 - 4 microns
Smoke residue is commonly comprised of
- correct answer Carbon, Oxides of nitrogen
When soot reside combines with moisture or humidity it forms
- correct answer Acid residue
Major factor in determining the temp of the fire is the amount of __________ available
- correct answer Oxygen
Soot residues gravitate or migrate to
- correct answer Cooler surfaces
, A by-product of incomplete combustion classified as carcinogenic
- correct answer Polycyclic Aromatic Hydrocarbons (PAH)
Insurance term meaning "stop further damage"
- correct answer Loss mitigation
A techs ability to effectively restore soot contaminated surfaces are impacted by:
- correct answer Location to heat line
soot is oily/greasy/baked on
amount of moisture present
which soot residue is easily smeared and tends to be black
- correct answer Plastic or rubber residue
Which soot residue is greasy and can be brown/yellow
- correct answer protein residue
Which soot residues require damp cleaning?
- correct answer protein
plastic/rubber
puff back
Temperature creates __________ forcing soot residue into inaccessible spaces
- correct answer Pressure
Which soot residue is a result of malfunction in an oil-fired heating system?
- correct answer puff-back
What is always a concern on all jobs?
- correct answer Safety