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Prior to flashover, smoke gases that have lower igni on temperatures may start to ignite
intermi ently within the lower thermal layer. - Ans False
Hoods are made of fire-resis ve, form-fi!ng cloth (usually Nomex, PBI, or____). - Ans Kevlar
____ is the transfer of heat through a solid object. - Ans Conduc on
Historically, the basic unit of a fire department is the ____. - Ans company
Class K agents are usually ____, consis ng of potassium carbonate-based chemical, potassium
acetate-based chemical, potassium citrate-based chemical, or a combina on. - Ans wet
chemicals
Plasterboard is also known as ____. - Ans Sheetrock
____ is the effort and physical training put forth to be er perform physical tasks without
overstressing or injuring an individual. - Ans Work hardening
____ is the term used to describe the decomposi on, or transforma on of a compound caused
by heat. - Ans Pyrolysis
The basic goal behind salvage opera ons is ____ conserva on. - Ans property
Class ____ fires involve energized electrical equipment. - Ans C
,As the smoke and heat go in opposite direc ons the wall will be marked with a "____ pa ern"
marking. - Ans V
The amount of heat a solid material can absorb before it begins to break down is directly
propor onal to its ____. - Ans surface-to-mass ra o
One of the types of valves used to shut down a sprinkler system is the PI (____) valve. - Ans
post indicator
Pressurized flammable liquids and gases should be ex nguished by____. - Ans stopping the
flow of the fuel
During the ____ phase of a fire, an obvious thermal plume develops. - Ans growth
Carbon dioxide works best in enclosed or semi-enclosed areas as the agent can be easily blown
away by the wind. - Ans True
A specific number of firefighters with an assigned task, but usually without apparatus is called
a____. - Ans crew
The ____ defines the class of fire. - Ans fuel
SCBA (____ apparatus) is one of the most important items of PPE used by firefighters. - Ans
self-contained breathing
The last step in using a fire ex nguisher is to squeeze the handle. - Ans False
, One of the types of valves used to shut down a sprinkler system is the OS&Y (____) valve. - Ans
outside screw and yoke
Class ____ fires involve ordinary combus bles such as wood, paper, cloth, plas cs, and rubber. -
Ans A
The ____ method of salvage cover deployment is done by a single firefighter and is reserved for
covering large unbreakable items. - Ans shoulder toss
____help(s) seal the ensemble and provide an interface between the gloves and coa - Ans
Wristlets
The TPP number divided by two equals the number of seconds it will take for human skin to
sustain a ____ degree burn when exposed to flame.
Selected Answer:
Correct - Ans second
A(n)____ is combus on above the speed of sound. - Ans detona on
The most dangerous product of combus on is ____. - Ans smoke
How many universal Class D ex nguishing agents exist? - Ans none
____ is the sudden and explosive igni on of pressurized, superheated, and oxygen-deprived
gases (within a closed space) caused by the reintroduc on of oxygen. - Ans Backdra=
The use of a ____ can find fires and hotspots in areas that firefighters are not able to see or
smell. - Ans thermal imaging camera