HAZMAT/OPS TCFP , TCFP Final
Exam Questions and Answers
100% PASS
Class B foam concentrates—ANSWER-Foam fire-suppression agent designed for use on
ignited or unignited Class B flammable or combustible liquids. Also known as Class B Foam
Aqueous Film Forming Foam (AFFF)—ANSWER-Synthetic foam concentrate that, when
combined with water, can form a complete vapor barrier over fuel spills and fires and is a
highly effective extinguishing and blanketing agent on hydrocarbon fuels.
Protein Foam (3% and 6%)—ANSWER-Class B fires involving hydrocarbons
• Protecting flammable and combustible liquids where they are stored, transported, and
processed
Fluoroprotein Foam (3% and 6%)—ANSWER-Hydrocarbon vapor suppression
• Subsurface application to hydrocarbon fuel storage tanks
• Extinguishing in-depth crude petroleum or other hydrocar- bon fuel fires
Film Forming Fluoroprotein Foam (FFFP) (3% and 6%)—ANSWER-• Suppressing vapors in
unignited spills of hazardous liquids
• Extinguishing fires in hydro- carbon fuels
,Aqueous Film Forming Foam (AFFF) (1%, 3%, and 6%)—ANSWER-• Controlling and
extinguishing Class B fires
• Handling land or sea crash rescues involving spills
• Extinguishing most transpor- tation-related fires
• Wetting and penetrating Class A fuels
• Securing unignited hydrocar- bon spills
Alcohol- Resistant AFFF (3% and 6%)—ANSWER-Fires or spills of both hydrocar- bon and
polar solvent fuels
High- Expansion Foam—ANSWER-Extinguishing Class A and some Class B fires
• Flooding confined spaces • Volumetrically displacing vapor, heat, and smoke
• Reducing vaporization from liquefied natural gas spills • Extinguishing pesticide fires
• Suppressing fuming acid vapors
• Suppressing vapors in coal mines and other subterranean spaces and concealed spaces in
basements
• Extinguishing agent in fixed extinguishing systems
• Not recommended for outdoor use
Head Pressure—ANSWER-Pressure exerted by a stationary column of water, directly
proportional to the height of the column
Detonation—ANSWER-Instantaneous and explosive release of stored chemical energy of a
hazardous material.
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law, Copyrighted By Brittie Donald
, Violent rupture—ANSWER-Immediate release of chemical or mechanical energy caused by
runaway cracks. They occur within a time frame of one second or less
Rapid relief—ANSWER-Fast release of a pressurized hazardous material through properly
operating safety devices.
Spill/leak—ANSWER-Slow release of a hazardous material under atmospheric or head
pressure through holes, rips, tears, or usual openings/attachments.
Engulfment—ANSWER-Dispersion of material as defined in the General Emergency Behavior
Model (GEBMO); an engulfing event occurs when matter and/or energy disperses and forms
a danger zone.
Hemispheric—ANSWER-Semicircular or dome- shaped pattern of airborne hazardous
material that is still partially in contact with the ground or water.
Cloud—ANSWER-Ball-shaped pattern of an airborne hazardous material where the material
has collectively risen above the ground
or water at a hazardous materials incident
Plume—ANSWER-Irregularly shaped pattern of an airborne hazardous material where wind
and/or topography influence the downrange course from the point of release
Cone—ANSWER-Triangular-shaped pattern of a hazardous material with a point source at
the breach and a wide base downrange
Stream—ANSWER-Surface-following pattern of liquid hazardous material that is affected by
gravity and topographical contours
Exam Questions and Answers
100% PASS
Class B foam concentrates—ANSWER-Foam fire-suppression agent designed for use on
ignited or unignited Class B flammable or combustible liquids. Also known as Class B Foam
Aqueous Film Forming Foam (AFFF)—ANSWER-Synthetic foam concentrate that, when
combined with water, can form a complete vapor barrier over fuel spills and fires and is a
highly effective extinguishing and blanketing agent on hydrocarbon fuels.
Protein Foam (3% and 6%)—ANSWER-Class B fires involving hydrocarbons
• Protecting flammable and combustible liquids where they are stored, transported, and
processed
Fluoroprotein Foam (3% and 6%)—ANSWER-Hydrocarbon vapor suppression
• Subsurface application to hydrocarbon fuel storage tanks
• Extinguishing in-depth crude petroleum or other hydrocar- bon fuel fires
Film Forming Fluoroprotein Foam (FFFP) (3% and 6%)—ANSWER-• Suppressing vapors in
unignited spills of hazardous liquids
• Extinguishing fires in hydro- carbon fuels
,Aqueous Film Forming Foam (AFFF) (1%, 3%, and 6%)—ANSWER-• Controlling and
extinguishing Class B fires
• Handling land or sea crash rescues involving spills
• Extinguishing most transpor- tation-related fires
• Wetting and penetrating Class A fuels
• Securing unignited hydrocar- bon spills
Alcohol- Resistant AFFF (3% and 6%)—ANSWER-Fires or spills of both hydrocar- bon and
polar solvent fuels
High- Expansion Foam—ANSWER-Extinguishing Class A and some Class B fires
• Flooding confined spaces • Volumetrically displacing vapor, heat, and smoke
• Reducing vaporization from liquefied natural gas spills • Extinguishing pesticide fires
• Suppressing fuming acid vapors
• Suppressing vapors in coal mines and other subterranean spaces and concealed spaces in
basements
• Extinguishing agent in fixed extinguishing systems
• Not recommended for outdoor use
Head Pressure—ANSWER-Pressure exerted by a stationary column of water, directly
proportional to the height of the column
Detonation—ANSWER-Instantaneous and explosive release of stored chemical energy of a
hazardous material.
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law, Copyrighted By Brittie Donald
, Violent rupture—ANSWER-Immediate release of chemical or mechanical energy caused by
runaway cracks. They occur within a time frame of one second or less
Rapid relief—ANSWER-Fast release of a pressurized hazardous material through properly
operating safety devices.
Spill/leak—ANSWER-Slow release of a hazardous material under atmospheric or head
pressure through holes, rips, tears, or usual openings/attachments.
Engulfment—ANSWER-Dispersion of material as defined in the General Emergency Behavior
Model (GEBMO); an engulfing event occurs when matter and/or energy disperses and forms
a danger zone.
Hemispheric—ANSWER-Semicircular or dome- shaped pattern of airborne hazardous
material that is still partially in contact with the ground or water.
Cloud—ANSWER-Ball-shaped pattern of an airborne hazardous material where the material
has collectively risen above the ground
or water at a hazardous materials incident
Plume—ANSWER-Irregularly shaped pattern of an airborne hazardous material where wind
and/or topography influence the downrange course from the point of release
Cone—ANSWER-Triangular-shaped pattern of a hazardous material with a point source at
the breach and a wide base downrange
Stream—ANSWER-Surface-following pattern of liquid hazardous material that is affected by
gravity and topographical contours
