10 Exam Flashcards
Know what a three dimensional fire is
Situation in which the burning liquid fuel is dripping, spraying, or flowing over the edges of a container
How do we perform a combination attack?
Is performed in two stages, beginning with an indirect attack and continuing with a direct attack
Class A foams are formulated to be mixed with water in ratios from
0.1 to 1.0
Class B foam is used for which type of fire?
Flammable liquids
How is foam proportioned in most portable extinguishers?
Premixing
Medium expansion foam max ratio of ___ to 1
200
To batch mix 3% foam into a 500 gallon booster tank, you would need to add ____ of foam concentrate to the tank
15
Which is a benefit of class A foam?
Reduces the surface tension of water
What is the advantage of compressed air foam?
Adheres to most surfaces
Attribute of a wet class A foam?
Improved fuel penetrating properties
Which type of foam is made from animal by products?
Protein
Which type of foam proportion-er relies on the venturi effect?
Eductor
During extrication for a driver in a frontal MVA, which action should be considered a last resort?
Displace the seat with a powered hydraulic tool
How are most windshields affixed in place?
Glue
What is laminated glass?
A thin layer of plastic sandwiched between two layers of glass
What must occur before the ram and high lift jack can be removed in a dash displacement?
The sill must be cribbed to hold it in position
When doing a dash displacement, which tool is used to push the dash forward?
Hydraulic ram
Where should rescuers begin their cuts on a windshield
Top center
Which action should be taken first in a dash displacement?
Remove the front doors
Which action should be taken if a vehicle has an undeployed airbag following an MVA?
Disconnect the battery
Which item is commonly used to stabilize a vehicle’s suspension system?
Step chocks
Which type of glass is the rear window of a vehicle
Tempered
Equipment is tagged in the ____ zone
Cold
How does exposure to natural gas affect the body?
Natural gas acts as an asphyxiate
In which control zone is decontamination performed?
Warm zone
In which step of the technical rescue incident process are victims freed from entrapment?
Disentanglement
What is the area that surrounds the incident site and whose size is proportional to the hazards that exist?
Rescue area
Which is a correct statement about tool staging at a TRI?
Needed tools may be identified during the size up process
Which is an awareness level technical rescue skill?
Recognize hazards
Which is the most common method of demarcating the control zones for an emergency incident site?
Barrier tape
Which method should rescuers use to detect the presence of a dangerous atmosphere?
Atmospheric monitoring
Which step in the technical rescue incident process follows removal of a victim?
Transport
In a preaction sprinkler system, what must happen before water will flow?
An alarm initiating device must be activated
Where is the main sprinkler system valve usually installed?
On the main riser, above the water supply control valve
Which class of standpipe is intended for fire department use only?
I
Which is a distinguishing feature of old style sprinkler heads?
The discharge pattern directs some water onto the ceiling
Which is a function of a sprinkler head?
Activate the fire alarm system
Which is a typical temperature rating for a sprinkler head in a light hazard occupancy such as an office building
165 F
Which is the preferred water source for a sprinkler system?
A municipal water system
Which sprinkler head mechanism uses a liquid filled glass capsule to hold the cap in place?
Frangible bulb
Which type of facility monitors alarm systems located at multiple facilities?
Central station
Which type of fire alarm annunciation system identifies the zone in which the alarm was initiated audible or visual signals?
Coded
Private residences, which room category includes formal living rooms, family rooms, and entertainment rooms?
Living rooms
What percentage of residential fires are caused by cooking?
47
Which agency develops model building codes?
International code council
Which agency develops model fire codes?
NFPA
Which is the correct principle of residential fire safety?
Discuss primary and secondary exit routes from every room with the occupant
Which is an acceptable storage area for gasoline and other flammable liquids at a residence?
Outbuilding
Which is one of the 16 Firefighter life safety initiatives?
Develop and implement medical and physical fitness standards
Which is one of the 16 Fire Fighter life safety Initiatives?
Utilize available technology whatever it can produce higher levels of health and safety
What is the main objective of a home fire safety survey?
Prevent fires and reduce injuries and deaths
Which type of fire extinguisher should be located in the kitchen?
ABC
Ideally when should overhaul begin?
After the fire investigator has examined the scene
The scientific method recommended by the NFPA for determining cause and origin consists of ____ steps
7
Where does the fire investigator process usually begin?
Exterior
Which is the fourth step in NFPAs scientific method for determining cause and origin?
Analyze the data
Which kind of evidence includes facts that can be observed or reported firsthand?
Direct
Which kind of evidence is used to validate a theory or show how something could have occurred?
Demonstrative
Which NFPA standard establishes job performance requirements for fire investigators?
1033
Which pattern of char on a wall suggests that the fire spread upward from the base?
V
Which term means the process of carefully looking for evidence in the debris following a fire?
Digging out
Which term refers to all of the information gathered and used by an investigator in determining the cause of a fire?
Evidence
What is the difference between a transitional attack and a direct attack?
Direct attack- applying an extinguishing agent directly onto a burning surface.
Transitional attack- A brief exterior indirect attack that turns into a direct interior right after
What is it called when you add foam concentrate to the apparatus tank?
Batch Mix
What is the advantage to dry foam vs wet foam?
Dry foam has longer drain times and produces more bubbles
What type of vehicle needs to have a rollover protection system?
Convertibles, RPS bars can extend up to 20 inches
How do you disable a vehicle airbag?
Disconnect the battery
What is a windshield constructed of?
Laminated glass
When do rescuers remove the valve stem from tires? After what is placed?
Once the step chocks are in place, The tires can be deflated by pulling the valve stems to create a stable vehicle
What is body over frame construction?
Consist of two large beams tied together by cross member beams. The beams create a load bearing frame for the vehicle
Dash lift vs a dash roll
Dash lift- use tools to raise the dashboard off a victim
Dash Roll- uses Come-alongs to roll a dash off the victim
When you displace a dash, where do you make your relief cut?
On the a-post
Know what constitutes a class 1, 2, 3 harness for rescuers
Class 1- Body Belt
Class 2 harness fastens around rescuers waist and legs and has a rating of 600 pounds
Class 3 harness fastens around rescuers waist and shoulders as well as secures shoulders (full body) and is used when being lowered by a life safety rope. (Pg. 938
What percentage of confined space deaths are from initial rescuers?
More than 60%
When should someone wear a flotation device during water rescue?
Should be worn by everyone at all times if operating on the scene
What is the failure acronym, what is it used for?
Failure to understand the environment
Additional medical problems not considered
Inadequate rescue skills
Lack of teamwork or experience
Understanding the logistics of the incident
Rescue versus recovery mode not considered
Equipment not mastered
Know what an FDC connection is, and an OS&Y, what they’re used for?
FDC-Fire Department connection, Allows the department’s engine to pump water into the sprinkler system as either a supplement or the main source of water
OS&Y-Outside Screw and yoke valve-A sprinkler control valve with a valve stem that moves in and out as the valve is opened or closed
What type of alarm occurs for improper installation of a system?
Nuisance
What is a nuisance alarm?
An activation of a fire alarm that is not the result of a potentially hazardous condition
How often do we replace smoke detectors?
Every 10 years
Know the sprinkler head mounting positions. All of them.
Upright, pendent, sidewall
What is a post indicator valve?
A sprinkler control valve that is mounted on the outside wall of a building
What is the purpose of fire prevention?
Lowering the risk of death and injury in the community
What common topics are covered in public fire safety education?
Stop, Drop, and Roll
Fire Evacuation
Don’t play with matches
Having a meet-up point
Where are fire codes applied?
Commercial and Residential at different levels
When do we use horizontal evacuation?
When vertical evacuation is hindered, horizontal evacuation moves patients to a safer area of the hazard floor
Know physical, demonstrative, and documentary evidence
Physical- can be physically displayed or shown
Demonstrative- can be performed to demonstrate an idea
Documentary- testimonies and affidavits
What is an accidental fire?
A fire that occurs as a result of human action or inaction that does not involve malicious intent.
When do you determine probable cause?
The final step in fire cause determination. Must have 50% or more level of certainty
What is direct evidence?
Includes facts than can be observed or reported firsthand
What is needed to return to a scene after you leave, when custody is returned to the homeowner?
Search warrant or written consent
When do we conduct a fire investigation?
It depends on the department
investigations are performed every time theres a working fire.
If the fire burns past a predetermined level
Every fire that has a death or injury resulting from the fire
What do the layers of debris from a fire tell you, what can they determine?
Determine the sequence in which items burned, whether an item burned from the top down or from the bottom up, and how long it burned
Point of origin and flow path tell you what about the fire
Can tell you everything from where and what started the fire and what fuels it spread to in a likely order
