Engine Company Operations Quiz Flashcards
What are the components of the fire tetrahedron? (Page 10)
Oxygen, Heat, Fuel, Chain Reaction
Which choice best describes Flashover? (Page 11)
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.
Which choice best describes Backdraft? (Page 11)
Additional oxygen is introduced into a smoldering fire as heated gases enter their flammable range and ignite with explosive force.
Which choice best describes Rollover. (Page 11)
Flames present in layers of smoke as a result of heated gases that are pushed under pressure from the fire area into uninvolved areas.
Which choice best describes Thermal Layering? (Page 11)
Tendency of gases to form into layers according to temperatures.
Which stage of fire development is defined as: heat, oxygen, and a fuel source combine and have a chemical reaction resulting in fire. (Page 12)
Incipient
Which stage of fire development is defined as: the fire increases in size from small flames to full fire that involves the entire room? (Page 12)
Growth
Which stage of fire development is defined as: fire continues to burn until the available fuel and oxygen in the room or area is consumed or extinguished. (Page 12)
Fully Developed
Which stage of fire development is defined as: occurs once all available oxygen is consumed. (Page 13)
Decay
Rollover should serve as a warning that… (Page 12)
The fire may be reaching the point of flashover
The increased HRR (Heat Release Rate) of modern materials results in: (Page 13)
Flashover happening quicker
What is the initial hoseline positioning for hydraulic ventilation? (Page 15)
2’ away from a window with a fog pattern covering 80% of the opening
Which factors determine the effectiveness of hydraulic ventilation? (Page 15)
Distance from opening and pattern used
White/Grey smoke is indicative of: (Page 17)
Moisture or early stage incipient Class A fire Too lean to contribute to fuel load
Grey smoke is indicative of: (Page 17)
Early stage incipient/free burning fire with Class A and B fuel sources Smoke possibly reaching the LEL level
Grey/Black or Brown smoke is indicative of: (Page 17)
Fully developed fire with Class A and B fuel sources that is most likely ventilation-limited Smoke is in the flammable range and subject to burn if heat is available
Black/Brown smoke is indicative of: (Page 17)
Fully developed or decaying stage fire that is extremely ventilation-limited Smoke is typically too rich to burn
.The first “E” in RECEO VS stands for? (Page 21)
Exposure
_____ is the general plan or course of action decided upon to reach the objectives.
(Page 21)
Strategy
______ are specific actions employed to fulfill a strategy. (Page 21)
Guidelines
_____ is the primary focus of any incident. (Page 21)
Rescue of life
The primary goal of the exposure line is? (Page 21)
Minimize fire spread and stay ahead of the fire
Within in the structure, overhaul should start? (Page 21)
In void spaces and closest to the fire, working towards unburned side
The introduction of ANY additional ventilation into a structure will increase fire intensity and fire spread. (Page 22)
True
Before ventilation takes places which of the following must be answered? (Page 23)
- What is the location of the fire?
- What is the current ventilation status?
- Where is the hose line?
Typically salvage measures are implemented? (Page 23)
After initial knockdown but before extension and overhaul operations and performed
Pre-arrival size-up considerations include all of the following EXECPT (Page 24)
Crew size
Interior tactics shall not commence until? (Page 25)
A Side Charlie report is received
CAN stands for? (Page 26)
Conditions, Actions and Numbers
Locating a fire inside of a building is the responsibility of______________ (Page 27)
Engine Company Officer
The most reliable indicator to a fire’s location is smoke___________ (Page 27)
Velocity
When smoke is encountered floor to ceiling, companies must___________ (Page 28)
check floor below
Smoke and products of combustion ____________the fire at the ceiling. (Page 28)
move away from
Fires that are vented or free burning typically make______________. (Page 28)
the most noise
The task of safety is the responsibility of_______________________. (Page 29)
Fire Officers and Firefighters alike
Threats to safety on the fireground primarily come from two categories: advanced fire conditions and_________. (Page 29)
collapse
In most cases, the proper actions of the Engine Company to protect the lives of civilians is to______. (Page 30)
extinguish the fire
The upper range of temperature tenable for a human is_________. (Page 30)
212F
The primary cause of fire related death is___________. (Page 30)
carbon monoxide inhalation
Modern fire behavior studies support the fact that the chance of survival can be greatly increased by_________. (Page 30)
closing the compartment door
The VSP (Victim Survivability Profile) of a two-story single-family home with advanced fire conditions in the attic is______. (Page 33)
high due to minimal smoke and fire in living space
True or False: Attacking a fire from the burned side will result in “pushing” the fire to the unburned side, thereby creating negative impacts on occupant survivability. (Page 39 & 49-50)
False
The fog stream will push__________, but not ___________, along the flow path. (Page 39 & 49-50)
Steam; fire
When there is danger of isolated collapse, advancing fire conditions, or temporary loss of water supply, Incident Command or company officer may order a(n): (Page 39)
Tactical Withdrawal
_________________ 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. (Page 39)
Tactical Withdrawal
An Emergency Evacuation differs from a Tactical withdrawal because an Emergency Evacuation: (Page 39)
Has a higher degree of urgency
When an Emergency Evacuation is announced, the engine companies that have evacuated and are outside of the IDLH should: (Page 39)
Continue to staff handlines until all personnel have evacuated
True or False: Engine companies can support the evacuation of personnel by continuing to flow water on visible fire while other companies are still in the process of evacuating. (Page 39)
True
Personnel often select an Offensive mode of fire attack because: (Page 40)
- A life hazard exists
- Crews believe fire can be stopped without total destruction of the structure
- There is no sign of an immediate collapse
The Defensive attack is: (Page 40)
Trying to prevent the area around the structure from being damaged
If the volume of fire is such that it cannot be managed with the amount of available resources, then the fire attack should be: (Page 40)
Defensive mode
When initial operations are in offensive mode, and that strategy fails, units may be redeployed to the exterior temporarily while large caliber streams extinguish the bulk of the fire from the exterior. This move from offensive to defensive is called:
Transitional mode
In order to move from an Offensive attack to a Defensive attack, the engine officer will conduct a (n) _____________ of personnel, hose and equipment to a safe area. (Page 40)
Par Check
Transitioning from offensive to defensive can be __________, based on review of the buildings’ exterior, smoke/fire conditions, ladder placement, alternative attack points and condition of the crew. (Page 40)
- Temporary
- Permanent
A (n) _______________ occurs when the IC recognizes a serious threat to firefighters and safe operation in a structure is compromised. (Page 41)
Priority Withdrawal
The officer’s primary objective shall always be: (Page 41)
The safety of the crew
When the initial attack is defensive then it transitions to offensive, it is called: (Page 41)
Blitz attack
The easiest method for a blitz attack is to use a (n) ____________, but a (n) _____________ can also be used. (Page 41)
Fixed master stream; portable monitor
What is the goal of the blitz attack: (Page 43)
To slow fire progression while completing water supply and positioning handlines for interior operations
Fires that have not self-vented are typically in the incipient stage and can be effectively controlled with what kind of attack? (Page 43)
Transitional interior attack
What knowledge of their apparatus-mounted master stream devices should the crew be familiar with for a successful blitz attack? (Page 43)
- Tip sizes and flow rates
- Maximum effective reach of their stream, both horizontally and vertically
Attacking with the master stream will only allow for ________ seconds of water flow without a supply, depending on the nozzle and tank size. (Page 43)
60-90
The __________________ is the final tool in the water delivery system that is advanced to the seat of the fire. (Page 45)
Firefighting nozzle
The idea behind the fog nozzle was centered on the introduction of: (Page 45)
A broken stream of water that creates millions of water droplets that absorb the heat generated from the fire and cool the atmosphere
The fog did an excellent job in suppressing fires in a confined, compartmented space but with ____________. The introduction of the various streams produced by the fog nozzle, specifically the straight stream, lessened this danger. (Page 45)
Little life expectancy
This Nozzle has a preset gallon per minute setting that allows it to flow the set gallonage at any stream setting as long as the manufacturer rated nozzle pressure is maintained. (Page 45)
Fixed Gallonage
The following are benefits to Fixed gallonage nozzles EXCEPT: (Page 45)
One singular flow amount
When on-scene, who is responsible to ensure the shortest and quickest path to the fire is executed? (Page 57)
Backup Firefighter
The ultimate responsibility of the engine-company driver is: (Page 61)
Safe delivery of personnel to and from the scene
Positioning at incident scenes is reliant on: (Page 60)
Collective experience of driver and officer
When performing a split-lay, who has the responsibility to connect the supply lines together? (Page 64)
Supply Engine Driver
It is appropriate for the initial arriving officer to retain command of an incident in what scenario? (Page 64)
Dispatched for a fire alarm with nothing showing
When may incoming units deviate from their normal assignments as outlined in the manuals? (Page 64)
When altered assignments are announced over the radio by initial Engine OIC
While searching ahead of the hoseline on the first floor of an involved structure, you locate a fire in the back bedroom. You should: (Page 65)
Close the door to the fire compartment
Calling for water to charge the line is a decision that can only be implemented by: (Page 66)
The Engine OIC
After the main body of fire is shut down, the Engine OIC should order: (Page 66)
The nozzle to be shut down to allow heat and smoke to rise and remaining fire to light up
Outline the steps to perform hydraulic ventilation: (Page 15)
Stand 2 feet from opening, set the nozzle to fog that will cover 80% of opening, open nozzle fully, and flow hoseline out of the structure.
With the exception of single family dwellings, it is important to determine positioning for at least what apparatus during preplans? (Page 3)
First two Engines and First Truck
When is it generally acceptable to use a well-hole? (Page 3)
A firefighter’s fist can fit in the well hole without touching either handrail
Which decision making process uses a step by step logical sequence? (Page 4)
The classical decision-making method
What decision making process is also known as the Recognition Primed Decision Making?
(Page 4)
The naturalistic decision-making method
What is the only way to master the necessary skill to ensure proper application and technique for the emergency situation? (Page 5)
Experience
Which of the following is not a category that fire service training falls into? (Page 5
Department training
What is the most important part of pre-incident planning? (Page 5)
To learn about buildings that could cause problems or injury to civilians or firefighters
This nozzle has a preset gallon per minute setting that allows it to flow the set gallonage at any stream setting (fog, straight, etc.) as long as the manufacturer rated nozzle pressure is maintained. (Page 45)
Automatic fog nozzle
This nozzle has a selectable ring typically located behind the rubber bumper of the tip that allows the operator to change the required flow based upon the conditions. (Page 46)
Solid Bore nozzle
The simplest design of all firefighting nozzles, the _______ is a tapered piece of material formed to deliver a specific amount of gallons per minute? (Page 46)
Smooth Bore nozzle
A fire attack method that utilizes a fire stream applied directly onto the burning materials until the fire darkens down is called? (Page 46)
Direct Attack
A fire attack method that utilizes a fire stream applied through an opening, allowing the superheated atmosphere to turn the water into steam is called? (Page 46)
Indirect Attack
_______ is a maneuver used to move through a compartment where high heat or pre- flashover conditions exist. It will immediately decrease building heat within a compartment by 50% to 60%. (Page 47)
Penciling
The engine company driver’s ultimate responsibility is? (Page 60)
safe delivery of personnel to-and-from the scene
The _______ is a viable option when the nozzle firefighter reaches the point where the attack commences and still has excessive hose on their shoulder? (Page 55)
Alley Stretch
All doors through which dry hoselines are stretched must be? (Page 54)
Chocked
A good option when stretching hose up a stairwell is? (Page 54)
Well-hole stretch
Telephone poles on residential streets are typically spaced how many feet apart? (Page 53)
a. 100’
.______ is the distance from the engine company to the entrance of the fire building? (Page 53)
Setback
The “D” in the acronym ADULTS stands for? (Page 53)
Defensive
The “T” in the acronym ADULTS stands for? (Page 53)
Tons of water
______ must be done and ensured before deploying the second or any other hoseline? (Page 52)
Water supply established
What is a good tool that allows officers the ability to maintain crew resource management in fire conditions? (Page 51)
Thermal imager
_____ is when the nozzle team begins their advance to the room of origin and fire is encountered in the compartment leading to the seat of the fire? (Page 48)
Pushing in
Using a smoothbore nozzle at 80psi on a Mercury quick attack monitor yields a reach of approximately ____. (Page 48)
185’
In terms of smoke flammability, black/brown smoke is typically? (Page 17)
Typically, too rich to burn
operating from an area deemed untenable to a specific area deemed safe to continue. (Page 39)
Tactical withdrawal
