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
How many feet should the nozzle be from the window when performing hydraulic ventilation?
2 feet from the window
At what percentage should you fill the window opening when performing hydraulic ventilation?
80%
What two things about smoke is an indicator of flammablity?
Density and color
What is an indicator of fire intensity?
Volume
What is the primary focus of any incident?
Rescue
Whose responsibility is it to locate a fire inside of a building?
The initial engine company officer’s
If physicl barriers make th 360 lap impractical, the lap may be assigned to anoher unit; however, interior tatics shall not commence until a report from side charlie is received. What is the only exception to this rule?
A reported life hazard
What’s the most reliable indicator to a fire’s location?
Smoke, velocity, or speed
What is also an indicator of intense heat inside the fire room?
Crazed or cracked glass
The NFPA suggests that the upper range of temperature tenability for humans is around what temperature?
212 F
The earth’s atmosphere contains 21 percent oxygen. Percentages of less than what percent results in death rapidly?
10 percent
Attacking with the master stream will only allow for how many seconds of water flow without a supply, depending on the nozzle and tank size?
60 to 90 seconds
When should members begin preparations for engine company responses?
As they enter the station
What structure is not as important to pre plan for?
Single family
When pre planning, what units need to be planned for?
First 2 engines and 1st truck
When training what 2 decision making methods should be used?
Classic and naturalistic
What one is NOT one of the three fire service training categories?
Individual
Who delivers the on scene report?
First engine company officer
Who is responsible for completing the water supply?
Second engine
Who is responsible for laying out for the secondary water?
Third engine
Who is responsible for completing the secondary water supply?
Fourth engine
What is NOT part of the fire tetrahedron?
Spark
The expansion of water to steam ratio at 212?
1:1,700
What is the PSI of a standard fog nozzle?
100
What is the GPM for a selectable gallonage fog nozzle?
90 to 200
What is NOT a con of a smooth bore nozzle?
A solid, compact stream
On residential streets about how far apart are power poles?
75’
How wide are typical parking spots?
10’
How do you measure for a well-hole stretch?
A firefighters fist
What are the types of construction?
1,2,3,4,5
Where would you find a backdraft on the stage of growth chart?
Decay stage
Where would you find a flash over in the stage of growth chart?
Growth Stage
When should members begin preparation for engine company responses?
As they enter quarters
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 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
What company is charged with conducting size up, developing and implementing the initial strategy, and conducting fire ground tasks?
Engine Company
With the exception of single family dwellings, it is important to determine the positioning for what units during pre-planning?
First two engines and first truck
What engine should ensure that the secondary water supply is established?
Fourth Engine
Today’s fires burn at a rate how many times faster than 20 years ago?
Ten times faster
Which of the following is not a component of the fire tetrahedron?
Ignition source
As solid fuels are heated, combustible gases are driven from the substance, what is this process known as?
Pyrolysis
The upper range of tenability for humans is what?
212 F
This is a coordinated and specific relocation of units and their equipment operating from an area deemed untenable to a specific area deemed safe to continue operations.
Tactical Withdrawl
This even occurs when there is a need for an immediate evacuation of all personnel from an unsafe structure.
Emergency Evacuation
What is the expansion of water to steam?
1:1,700
Heat reaching temperatures of 800 degrees or more at the ceiling level and thick smoke banked down near the floor are indicators of what?
Pre-flashover
Typical parking spaces at a strip shopping center parking lot are spaced approximately how many feet apart?
10’
The T in the acronym ADULTS stands for what?
Tons of water
Where is the preferred location to chock a door?
Lower portion
When preforming hydraulic ventilation, what percentage of the window should be filled?
80%
When preforming hydraulic ventilation, how far should the nozzle be from the window?
2 feet
What is defined as the amount of energy released over time?
Heat Release Rate
What does the C in RECEO-VS stand for?
Confinement
What is the formula for nozzle reaction fro a smooth bore?
1.57 inch Bore Diameter (squared) x NP
What is the formula for nozzle reaction for a fog nozzle
0.0505? Rated Flow ? ?NP
When should members assigned to the engine company begin their preparation for emergency responses?
as they enter quarters
All of the following are reasons for the engine driver to know his/her related to their first due except:
to identify routes to beat other companies into their own first due
Which unit positioning is determined during pre-planning?
two engines and first truck
What is the reach of quick attack mercury monitor with a fog nozzle flowing a straight stream?
185 feet
What decision making process is an intuitive reaction to a problem based on past experiences?
Recognition Primed Decision-Making (RPDM)
Most line of duty deaths associated with the fire service are a result of poor performance and decision making that involved:
basic firefighter skills
How often should company training be completed?
on a daily basis
What type of building construction is non-combustible?
type II
What is the primary positioning for the third due engine company assigned to a box alarm?
opposite side of the involved structure from the first due engine
Fires in the modern era will burn at a rate of:
10 times faster than 20 years ago
When does a backdraft occur in relation to the stages of fire?
the decay stage
Which of the following is a warning sign that the fire area may be reaching the point of flashover?
rollover
Which of the following best describes heat release rate (HRR)?
amount of energy released over time in a fire
Where is the first ventilation operation performed on most fireground incidents?
when units force entry into the structure
Hydraulic ventilation is effective at removing smoke from:
a single rooms
Hydraulic ventilation can be accomplished by placing the nozzle:
two feet away from the window
What two factors determine the effectiveness of hydraulic ventilation ?
size of the ventilation opening and amount of water from the nozzle
What color would the smoke be in an early stage incipient/free burring fire with Class A/B fuel sources?
grey
Who is responsible for locating a fire inside of a building?
the initial engine company officer
Attacking a fire with a master streams will only allow for:
60-90 seconds of water flow
Where should situations such as street closings, out-of-service hydrants or mains, inoperative standpipe or sprinkler systems, and equipment deficiencies or changes on the apparatus should be reported/noted?
The pass-on book
When should members should begin preparation for engine company responses?
As they enter quarters
It is important to determine positioning for who during incident pre-planning?
At least the first two engine companies and the first truck company
The space between both handrails in a stairwell is known as the:
Well-hole
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 is:
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 is:
Backdraft
The tendency of gases to form into layers according to temperatures is:
Thermal layering
When performing hydraulic ventilation, the nozzle should cover the window opening:
80%
A coordinated and specific relocation of units and their equipment operating from an area deemed untenable to a specific area deemed safe to continue operations is:
A tactical withdrawal
When the IC recognizes a serious threat to firefighters and safe operation in a structure is compromised is:
An emergency evacuation
When the engine crew knocks down the main body of fire from the exterior upon arrival, typically with a large caliber stream, and then progresses to an interior offensive attack using handlines is known as:
Blitz attack
The final tool in the water delivery system that is advanced to the seat of the fire is:
The firefighting nozzle
The expansion rate of water to steam is:
1:1,700
A fast and effective method of estimating the stretch is:
Setback plus width of building plus length of building plus length per floor plus 1 length at the point of attack
When attempting to estimate distances, on a residential street, telephone poles are typically spaced how far apart?
75 feet
A helpful mnemonic for 2-inch line selection is ADULTS. What does ADULTS stand for?
Advanced fire conditions, Defensive operations, Unknown fire location, Large open area, Tons of water, Standpipes
When chocking a door, where is the ideal location to place the chock?
Lower portion of the door
What is the correct body position when entering an IDLH environment?
A head up, leading leg out position
In order to reduce unnecessary radio traffic, how can engine driver/operators communicate?
Converse face-to-face
When performing the split lay, connecting each engine’s supply lines together, remains the responsibility of who?
The water supply engine
Companies should attempt to conduct a building walk though how often?
Once a tour
The engine operator should make it his duty to remain proficient in what?
All things related to the first due
According to the Engine Company Ops manual, if an Engine is housed with a truck or rescue squad who proceeds first?
Engine
Where shall the third due engine company position?
Opposite side of the involed structure
Todays fires burn at a rate of what, compared to fires 20 years ago?
10 times faster
What does “C” stand for in RECEO VS?
Confinement
What is the primary focus of any incident?
Rescue
When performing a split lay, whos responsbility is it to connect each engines supply lines together?
Water supply engine
When utilizing a blitz attack, what must the pump operator do before charging the master stream?
Throttle to the appropriate pressure
Attacking with the master stream will only allow for what duration of water flow?
60 - 90 seconds
When utilizing a fog nozzle, what is the ration for expansion of water to steam?
1: 1,700
What type of nozzle allows for a set gallonage to be flowed through the nozzle at any stream setting?
Fix Gallonage
What is the standard fog nozzle pressure?
100 psi
What is the simplest design of all firefighting nozzles?
Smooth bore
What is the reach of a quick attack monitor when using a smoothbore at 80 psi or a fog nozzle at 100 psi?
185 feet
When a medium fog pattern is used and the quick attack monitor is supplied at 100 psi, what is the approximate reach?
50 feet
What is a fast and effective method of estimating the stretch?
Setback plus width of building plus length of building plus 1/2 length per floor plus 1 length at the point of attack
A typical structure fire will require what flow?
150 - 175 gpm
What does the “L” stand for in the mnemonic ADULTS?
Large open area
What is the engine company drivers ultimate responsibility?
Safe delivery of personnel to and from the scene
The engine company operations manual is based on what staffing?
one officer and three firefighters
What is the space between both handrails in a stairwell and allows engine companies to achieve the maximum length of the hose?
well-hole
Who will generally ensure the primary water supply is established, assume command of the incident if assigned, and ensure successful deployment/advancement of the initial attack line?
second due engine
Today’s fires burn at what rate that fires from 20 years ago?
10 times faster
What must be coordinated with proper ventilation to confine and extinguish the fire?
fire stream selection
What role does oxygen play in the fire tetrahedron?
enables a fire to sustain combustion
When does flashover usually occur?
between the growth and fully developed stage
What should serve as a warning that the fire area may be reaching the point of flashover?
rollover
Firefighters must understand the difference between modern and legacy materials, espcially as it relates to what?
Heat Release Rate
What contains many clues to the location and status of the fire?
smoke
What is an indicator of fire intensity?
volume
smoke density and color together are an indicator of what?
flammability
What is one of the most dangerous and most important tasks performed by firefighters?
ventilation
What is a systematic look at the entire fire scene to make sure that there are no further traces of fire?
overhaul
By using what report model, does the person giving the report identify how well the team is doing, the conditions faced, and any support or resources needed?
CAN Report
Who is responsible for locating the fire inside of a building?
initial engine company officer
What is the most reliable indicator of a fires location?
smoke velocity
NFPA suggests that the upper range of temperature tenability for humans is around what?
212 degrees
What is the primary cause of fire-related death?
carbon monoxide
What is a coordinated and specific relocation of units and their equipment called?
tactical withdrawal
When should members begin preparation for engine company responses?
As they enter quarters
Members assigned to the engine company should inspect and examine all tools and appliances associated with the apparatus when?
Immediately following shift line-up
Training for engine company-specific tasks is important for all members but especially important for who?
Operator and officer
When planning for positioning of units, consider travel routes for what companies?
2nd due engine & 1st due truck
What is the space between both handrails in a stairwell and allows engine companies to achieve the maximum length of the hose?
Well-hole
What is one of the most important functions of the engine company?
Training
During an emergency situation the brain reverts to everything except what?
Emotional state
In order to plan and facilitate training, fire service training falls into how many categories?
3
Multi-unit training should be conducted how often?
Annually
Companies should attempt to conduct a building walk-thru at least how often?
Once a tour
Engine company members should monitor the radio to maintain situational awareness of other units located in the immediate area. When should they monitor the radio?
While in quarters and on the road
Based on the dispatch information, members shall don the appropriate PPE and begin their size-up when?
Enroute
Today’s fire burn at a rate how much faster with rapidly increasing heat compared to fires of just 20 years ago?
10x
What is 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 occur?
Flashover
What is the tendency of gases to form into layers according to temperatures called?
Thermal layering
What is layering of smoke and gas clouds called?
Stratification
For hydraulic ventilation the hoseline should be positioned how far away from the opening?
2 feet
For hydraulic ventilation the nozzle should be set to a fog that will cover how much of the opening?
80%
What color smoke indicates early stage incipient/free burning fire with Class A and B fuel sources?
Grey
It is critical that all ventilation (Horizontal and/or vertical) be coordinated between the ventilation team and who?
Advancing hose team
Tactics such as calling for water, opening the nozzle and initiating line advancement are important to fire control, that the decision to implement them is for?
The officer alone
What tactic is critical for the safety of all firefighters operating above the fire?
Door control
The following is a guideline to determine tactical priorities?
Actions to facilitate rescue
Which action is appropriate only when 1-2 units are operating?
Hold command
What must an officer do after completes size-up?
Command statement must be made
Choose the best option:
A split lay is used when distance hydrant to the scene is too great
What does the first due engine identifies with the water supply report to the second engine?
Primary hydrant
Why would the engine company driver consider charging the second line without a water supply established?
Depends on the situation
What is a potential effect caused by using the side or rear intake?
May prevent the road block into tight apartment complexes
Choose the best option about, the collective experience of the driver and officer working/communicating as a team dictates:
The position
What is the engine company driver’s ultimate responsibility?
Safe delivery of personnel to-and- from the scene
The nozzle reaction for a smooth bore is?
1.57 x diameter square x np
An 1.88” hoseline is flowing 175 gpm and ther is 400” on the ground, what is the nozzle reaction?
62.48 psi
How does a backup firefighter know if the nozzle firefighter is flowing or if is moving forward?
Using the S formation in the line
Choose the most appropriate about, if the backup firefighter is operating correctly :
Their actions may never be acknowledged
Which position promotes staying low in a toxic atmosphere but is not the most advantageous?
Hands and knees with head down
As a backup firefighter, what needs to be done at each point a hoseline comes in contact with a corner?
An extra wingspan of hose is pulled
In most cases, how does an alley stretch should be?
Straight line from nozzle to street and angled to front of door
How much hose should a nozzle firefighter bring to the fire floor if hallway or landing permits?
Two lenghts of hose
In the mnemonic for 2.5” line selection, what does the L stand for?
Large open area
