22 - Engine Company Ops Flashcards
Occupancy name and address, occupancy type, construction type, combustibility of contents, accessibility, fire hydrants, fire protection systems, fire alarm systems, utility shut off locations. Are all examples of temples used in what?
Pre-incident Fire planning
How many types of building constructions are there.
5
What are the five types of building construction in order
Fire resistive, non-combustible, ordinary, heavy timber, wood frame
Lay the primary supply line, deliver on scene report, perform the 360 lap of the structure, communicate results of 360 lap and makes command statement, force entry, if without a special service, and control entry door, advanced the initial attack whose line and extinguish fire, perform search and coordinated ventilation if needed while advancing the house line. These are all examples of which due engine company on a working fire scene.
First due Engine company
In order for combustion to occur, each component of the tetrahedron must be in place. How many and what are the components of the tetrahedron.
4 components,Oxygen, heat, fuel, and chain reaction
In what stage of the fire growth does flashover occur
Growth stage
In what stage of fire growth does Backdraft occur
Decay stage
During the Growth stage where is rollover often seen
In the adjacent compartment
How many stages of fire growth is there
4
What are the four stages of fire growth
Incipient stage,growth stage, fully developed stage, decay stage
As solid fuels are heated, combustible gases are drive from the substance this process is known as
Pyrolysis
Modern fuel loads are broken up into two categories what are they.
Modern vs legacy.
When doing hydraulic ventilation how far from the window should the nosler be and how much of the window should be covered
2 feet and 80%
How many different colors of smoke are there and what are their colors
5 white, white/grey, grey, grey/ black or brown, black/ brown
When reading smoke the speed provides two critical pieces of information on the fire ground what are they
Heat source and the fires current flow path or air track
What are the 7 components of RECEO-VS
Rescue, Exposure, Confinement, Extinguishment, Overhual, Ventilation, Salvage
What is the water expansion ratio for water
1:1,700
At what tempeture does water expand
212
What is the approximate reach of a mercury monitor with smoothbore nozzle at 80 psi
185
What does the S in ADULTS stand for
Standpipes
When is it appropriate for a well-hole stretch?
Fist does not touch either handrail in a stairwell
The Mercury Monitor on a wide fog pattern will reach approximately how far?
25 feet
Which method of fire attack must be used where victims may be located or firefighters are operating?
Direct attack
What are the components of the fire tetrahedron?
Oxygen, Heat, Fuel, Chain Reaction
Between what 2 stages of fire growth does flashover occur?
Growth and fully developed stages
The tendency of gases to form into layers according to temperatures?
Thermal layering
What is the layering of smoke and gas clouds called?
Stratification
How far from an open window do you position the nozzle for hydraulic ventilation and how much of the opening should be filled by the fog stream?
2 feet, 80%
What does smoke speed indicate?
General location of heat source and fires current flow path
What is the upper range of temperature tenability for humans?
212 degrees
What is the ratio of water to steam at 212 degrees F?
1:1,700
What is the approximate reach of the Mercury Monitor with 1 3/8” tip, pumped at 80 PSI?
185 feet
On a residential street, telephone poles are typically spaced how far apart?
75 feet
Penciling will immediately decrease the heat within a compartment by how much?
50-60%
what is RECEO VS?
Rescue, exposure, confinement, extinguishment, overhaul, ventilation, salvage
Which is a primary threat on the fireground?
Advanced fire conditions
When preforming a split lay, who is responsible for connecting each engines supply lines?
Water supply engine
Type 5 construction?
Wood Frame
Type 2 construction?
Non-Combustible
What materials consist of natural materials such as cotton, wicker, solid wood and dimensional lumber?
Legacy materials
Which apparatus is most important to plan for positioning?
First two engines and first truck
What are the three categories of training?
Self study, company training, multi-unit training
What is type I construction?
Fire resistive
Where does the third engine normally position?
The opposite side of the involved structure from the first due engine
When responding to a fire alarm and the building is equipped with a standpipe, what equitpment shall be brought in by the engine company?
High rise packs
When does flashover occur?
Between the growth and fully developed stages
What is the term to describe the layering of smoke and gas clouds?
Stratification
When should ventilation needs be identified?
At the completion of the size-up
How far away should the nozzle be from the window and what percentage of the window should the stream take up during hydraulic ventilation?
2 feet and 80%
What two things does smoke indicate?
What is burning and the flammability of the smoke
What does the first “E” in RECEO VS stand for?
Exposure
What is a systematic look at the entire fire scene to make sure that there are no further traces of fire?
Overhaul
What type of size-up is paramount to successul fireground operations?
Pre-incident
What does the “A” stand for in a CAN report?
Actions
Around what temperature is the upper range of tenability for humans in an IDLH?
212 F
What is considered a coordinated and specific relocation of units and their equiptment operating from an area deamed untenable to a specific area deemed safe to continue operation?
Tactical Withdrawal
When should an emergency evacuation occur?
When the IC recognizes a serious threat to firefighters and safe operation in a structure is compromised
This type of attack has crews fight fire from a doorway, window or other protected area not entering the fire area.
Indirect
What must be in place before deploying backup or secondary handlines?
Primary hoseline
What does the “L” stand for in ADULTS
Large open area
Members should begin preparation for engine company responses as they
enter quarters
One of the most important functions of the engine company.
training
The step-by-step, logical sequence that the decision-maker uses to reach the best decision.
The classical decision-making method
An intuitive reaction to a problem. In this process, the decision-maker recognizes sights, sounds, smells, and other sensory cues that trigger the memory of similar situations the decision-maker has experienced or learned in the past.
The naturalistic decision-making method
Appropriate for individuals or small groups to cover the material and information that all members of the department should review on an annual basis to maintain their base knowledge of policies, procedures, manuals, and other source reference material.
Self-study training
This should be conducted on a daily basis in an informal setting and cover hands-on practical skills such as handline deployment, ventilation tactics, search and rescue methods, and firefighter survival topics.
Company level training
Should be conducted on an annual basis and should include neighboring companies and mutual aid companies.
Multi-unit training
What is type I Construction?
Fire resistive
What is type II Construction?
Non-combustible
What is type III Construction?
Ordinary
What is type IV Construction?
Heavy Timber
What is type V Construction?
Wood Frame
First Due Engine Company
Lay Primary Supply Line
Second Due Engine Company
Deploy a second hose line
Third Due Engine Company
Lay secondary supply line
Fourth Due Engine Company
RIT
The Fire Tetrahedron
Oxygen, Heat, Fuel, Chain Reaction
the stage of a fire at which all surfaces and objects within a space have been heated to their ignition temperature and simultaneous ignition of all surfaces and objects in the space occurs.
Flashover
An explosion that occurs when additional oxygen is introduced into a smoldering fire as heated gases enter their flammable range and ignite with explosive force.
Backdraft
when flames present in layers of smoke as a result of heated gases that are pushed under pressure from the fire area into uninvolved areas
Rollover
What is the space between two handrails called in the stairwell that allows engine companies to achieve the maximum length of hose?
Well-hole
What construction type is lightweight wood truss?
V-Wood Frame
What component of the fire tetrahedron enables a fire to sustain combustion?
Oxygen
What is the stage of a fire at which all surfaces and objectives within a space reach their ignition temperature and simultaneous ignite?
Flashover
Between what stages does a flashover have the potential to occure?
Growth stage and fully developed stage
Between what stages does a backdraft have the potential to occure?
Fully developed stage and decay stage
Rollover should serve as a warning that the fire area may be reaching what point?
Flashover
how many feet from the window should the hoseline be for hydraulic ventilation?
2 feet
Which of these is not a fire ground principle of smoke?
White smoke is typically too rich to burn
What color smoke would indicate that the fire is in the early stage of development?
Gray
What does RECEO VS stand for?
Rescue, exposure, confinement, extinguishment, overhaul, ventilation, salvage
What is discribed as the smoke level rising and increasing the distance of clean air at the floor level?
Lift
What does NFPA suggest is the upper temperature tenable for humans?
212 degrees Fahrenheit
What is the term for a coordinated and specific relocation of units and their equipment operating from an area seemed untenable to a specific area deemed safe to continue operations?
Tactical withdrawal
What mode involves taking direct action to mitigate a problem?
Offensive mode
What is the expansion of water to steam ratio at 212 degrees Fahrenheit?
1:1,700
What percentage will penciling immediately decrease building heat within a compartment?
50%-60%
When using a quick attack monitor, a smoothbore nozzle at 80 PSI will yield a reach of approximately how many feet?
185
Approximately how far apart are typical parking spaces?
10 feet
When performing a split lay, who is responsible for connecting the supply lines together?
2nd due engine
Generally the second due engine is responsible for what aspect of water supply?
establish primary water supply
The third due engine generally deploys what hose line?
third hose on side charlie
Older style homes with fire loads consisting of solid wood and dimensional lumber are known as?
legacy
If grey/brown smoke is seen from a structure, what is limiting the fire growth?
oxygen or ventilation
The first E in the acronym RECEO VS stands for?
exposure
What phase of RECEO VS is often overlooked and is necessary if fire is not able to be extiguished by on scene resources?
confinement
What is the primary cause of victim deaths in fire?
carbon monoxide
During a transition mode on the fire ground the engine operator may do what with the hose lines?
keep charged and ready to re-deploy
A blitz attack can be a risky tactic for the first in engine operator if?
no water supply is available or set up
Which type of nozzle has less reaction?
smooth bore
In practical testing the Mercury monitor with a smooth bore tip and 80 psi, the stream can reach approximately how far?
185 feet
What is a good way for engine drivers to communicate on the active fire ground?
face to face
What engine/s give water supply reports on the fire ground?
first and third
When performing a split lay, who is responsible for connecting the lines?
supply engine
Who is responsible for calling for water to the driver operator?
engine officer
What type of lay includes laying supply hose from the scene to the hydrant?
reverse
If the first due engine is not passing a hydrant en route to the scene, what type of lay will most likely be used?
split
When establishing water supply the engine driver can do what with the engine to prevent being a road block?
use side or rear intake
What type of supply hose lay is often most appropriate?
forward
All of the following methods of fire attack should not be used if victims or firefighters are present in the area except?
direct
With the exception of single family dwelings, it is important to determine positioning for at least which vehicles?
First two engine companies and the first truck company
What is one way to quickly determine which hoseline is effective for a given building?
To measure distances using 300 feet of small diameter rope
The specific tactics carried out by each engine company, is based on what?
Their arrival order
Today’s fires burn at a rate of how many times faster with rapidly increasing heat compared to fires of just 20 years ago?
10 times faster
When does Flashover occur?
Between the growth and fully developed stages
When it comes to building materials, what is the difference between the new and the old referred to as?
Modern vs legacy
What does the acronym HRR stand for?
Heat release rate
What must be done in order to coordinate ventilation?
Ventilation must be coordinated with the progress of the hoseline and the engine officer’s order
