Technician Exam Practice Questions & Answers: Latest
Update 2025: Guaranteed A+ Grade
3 basic components of a fire
✓ Fuel, Heat, Oxygen
Toxic materials are released into the air during what processes?
✓ Demolition and reconstruction
When working in areas with loose soot residue,
✓ Utilize appropriate engineering tools, PPE, AFDs
The average size of a smoke particulate is
✓ .1 - 4 microns
Smoke residue is commonly comprised of
✓ Carbon, Oxides of nitrogen
When soot reside combines with moisture or humidity it forms
✓ Acid residue
Major factor in determining the temp of the fire is the amount of __________ available
✓ Oxygen
Soot residues gravitate or migrate to
✓ Cooler surfaces
A by-product of incomplete combustion classified as carcinogenic
✓ Polycyclic Aromatic Hydrocarbons (PAH)
Insurance term meaning "stop further damage"
, ✓ Loss mitigation
A techs ability to effectively restore soot contaminated surfaces are impacted by:
✓ 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
✓ Plastic or rubber residue
Which soot residue is greasy and can be brown/yellow
✓ protein residue
Which soot residues require damp cleaning?
✓ Protein
✓ plastic/rubber
✓ puff back
Temperature creates __________ forcing soot residue into inaccessible spaces
✓ Pressure
Which soot residue is a result of malfunction in an oil-fired heating system?
✓ puff-back
What is always a concern on all jobs?
✓ Safety
Employers are required to
✓ Prepare a hazard assessment on all projects
✓ Issue necessary safety equipment
✓ Provide ongoing safety training
Ultimately your customer with financial responsibility is the
✓ Insured