Chapter 19 Incident Scene Operations
What must the acting Incident Commander know in order to forecast fire growth and development? Select one: a. Availability of water sources b. Building construction type c. Number of building occupants d. Outside air temperature
Building construction type
Which statement describes risk assessment? Select one: a. A risk assessment is conducted initially and then is ongoing throughout the incident. b. A risk assessment is conducted to form an initial action plan, and that plan cannot change throughout the incident. c. A risk assessment is only needed for larger incidents that require multiple crews. d. Risk assessments are the duty of company officers, so a Fire Fighter II does not need to know how to conduct them.
A risk assessment is conducted initially and then is ongoing throughout the incident.
In which scenario would the IC likely communicate the need for a transition from a defensive attack strategy to an offensive interior attack strategy? Select one: a. Additional personnel and apparatus arrive on scene b. Fire begins to spread to exposure buildings c. The flow rate for attack hoselines is reduced d. The fire goes from the growth stage to the fully developed stage
Additional personnel and apparatus arrive on scene
Which scenario would prompt the Incident Commander to choose a defensive fire attack? Select one: a. Contents are on fire, but fire has not spread to structural members b. Fire transitions from the incipient stage to the growth stage c. Additional resources arrive on scene to help with fire attack d. Amount of fire exceeds available trained personnel and available resources at the scene
Amount of fire exceeds available trained personnel and available resources at the scene
What should the attack crew do if the front door is opened and fast moving smoke and air indicate that the fire is active in the area? Select one: a. Retreat from the location and return to the Incident Command Post b. Apply water to the hot gas layer, wait, then observe changes before entering c. Keep the door open for several seconds to allow extra airflow to the compartment before entering d. Produce a wide fog stream and proceed to the seat of the fire
Apply water to the hot gas layer, wait, then observe changes before entering
What is the purpose of the United States Fire Administration's National Fire Incident Reporting System (NFIRS)? Select one: a. Document criminal incidents that happen within the ranks of the fire department b. Take emergency calls from the public and route them to the correct jurisdiction c. Collect data for analysis to help prevent future fires d. Keep a record of all fire response-related costs
Collect data for analysis to help prevent future fires
Which statement about transferring Command is MOST accurate? Select one: a. The initial IC can only transfer Command to a higher ranking fire officer. b. Command can only be transferred face-to-face. c. Command should never be transferred to anyone who is not on the scene. d. Radio communication of a transfer of Command is preferred.
Command should never be transferred to anyone who is not on the scene.
What should the acting Incident Commander do immediately after transmitting the arrival report? Select one: a. Transfer Command and serve as a team leader b. Call for mutual aid c. Communicate the incident action plan to on-scene personnel d. Instruct the suppression crew to begin interior operations Clear my choice
Communicate the incident action plan to on-scene personnel
What action should you take if you are leading the attack line crew and you discover a person in need of rescue? Select one: a. Split the crew up, leaving at least two firefighters with the victim b. Communicate this to the IC and/or rescue crew c. Split your crew up, leaving half for rescue and half for fire attack d. Continue your fire attack because the rescue crew will also find the victim
Communicate this to the IC and/or rescue crew
Which duty would a firefighter perform if he or she were acting as crew leader? Select one: a. Coordinating resources with other resources at the scene b. Acting as the point of communication between the IC and the dispatch center c. Investigating the cause of the fire d. Determining whether the incident is approached with a defensive or offensive strategy
Coordinating resources with other resources at the scene
What is the priority when dealing with a Class C energized utility fire? Select one: a. Creating a perimeter and contacting the proper utility authority b. Making entry to perform search and rescue c. Establishing a collapse zone and applying water to the exterior of the structure d. Extinguishing the fire as quickly as possible
Creating a perimeter and contacting the proper utility authority
Which is a duty of the initial Incident Commander? Select one: a. Establish communications according to local SOPs b. Act as both the Incident Commander and the Incident Safety Officer c. Start writing the tactical progress report d. Begin the fire investigation
Establish communications according to local SOPs
Which statement describes evacuation signals? Select one: a. Evacuation signals are used when any one member needs to leave the structure for a period of time longer than five minutes. b. Evacuation signals are used when the IC determines that interior crews must withdraw due to hazardous conditions. c. Evacuation signals are most commonly transmitted over a loud speaker at the Incident Command Post. d. Evacuation signals can only be broadcast by the IC after he or she confirms hazards with the Incident Safety Officer. Clear my choice
Evacuation signals are used when the IC determines that interior crews must withdraw due to hazardous conditions.
For which kind of electrical emergency would it be safe and appropriate to use a Class C portable fire extinguisher? Select one: a. Downed electrical line b. Fire in an electrical substation c. Cut electrical line d. Fire in a desktop computer
Fire in a desktop computer
Who has the responsibility of requesting additional resources during the initial response to an incident? Select one: a. Law enforcement liaison b. Senior firefighter on the scene c. Telecommunications dispatcher d. Firefighter who initially assumes Command Clear my choice
Firefighter who initially assumes Command
What information should be included in the arrival report? Select one: a. First impression of hazardous conditions at the scene b. Name of the fire investigator assigned to the incident c. Names and ranks of all personnel assigned to the attack crew d. Location of the flow path exhaust
First impression of hazardous conditions at the scene
Which type of nozzle is generally selected for an interior attack? Select one: a. Penetrating nozzle b. Broken stream nozzle c. Fog nozzle d. Solid stream nozzle
Fog nozzle
Which type of nozzle is generally the most useful for an interior fire attack? Select one: a. Fog nozzle (adjustable nozzle) b. Master stream nozzle c. Solid stream nozzle d. Smooth bore nozzle
Fog nozzle (adjustable nozzle)
Where can a firefighter go to find information about the codes required in postincident reports? Select one: a. Fire investigator in charge of the incident b. City zoning department c. Local SOPs and the NFIRS system d. State fire agency training guides
Local SOPs and the NFIRS system
What determines the exact information that should be included in an incident report? Select one: a. Emergency Response Guidebook (ERG) b. The IC c. National Fire Incident Reporting System (NFIRS) d. Local protocol
Local protocol
What should you do at an electrical utility emergency if you find yourself inside the gradient field or feel a tingling in your legs? Select one: a. Walk or crawl quickly until you are outside of the gradient field b. Continue operations as usual c. Stand still and wait to be rescued d. Move your feet close together and hop or shuffle out of the danger area
Move your feet close together and hop or shuffle out of the danger area
Which type of information is typically included on a postincident report? Select one: a. Number of personnel and apparatus that responded b. Incident history of the area c. Property owner insurance amount and type d. Type of legal action to be taken
Number of personnel and apparatus that responded
If fire is present in an underground space, such as a trench or subway,: Select one: a. regular attack crews can enter as long as a RIC is standing by. b. only specially trained rescue units should enter to attack the fire. c. the most common hazard is increased heat output from the fire. d. the most common hazard is exposure to hazardous materials.
Only specially trained Rescue unit should enter to attack the fire
Which type of fire department communication informs the Incident Commander that all members of the crew are present? Select one: a. MAYDAY transmission b. Tactical progress report (TPR) c. Hazard report d. Personnel accountability report (PAR)
Personnel accountability report (PAR)
When transferring Command, which information must be passed to the officer/firefighter assuming Command? Select one: a. Types of equipment that have been used so far b. Names of all personnel on scene c. Location of the area of origin d. Progress toward the completion of tactical objectives
Progress toward the completion of tactical objectives
Why is it important that incident reports are accurate and complete? Select one: a. They are legal documents b. They are used to recruit new hires c. They are used as instructional examples d. They assign blame to those at fault for errors
They are legal documents
Which action would put you in danger at an electrical emergency? Select one: a. Wearing structural fire fighting personal protective equipment b. Jumping outside of the ground gradient c. Remaining inside a vehicle that is in contact with a downed power line d. Touching a vehicle that is in contact with electrical wires
Touching a vehicle that is in contact with electrical wires
Which factor would be included in the initial size-up of an incident that is conducted by the first-arriving firefighter? Select one: a. Overhaul needs b. Presence of carcinogens in building materials c. Type of building construction d. Estimated cost of structural damage
Type of building construction
Which is a characteristic of NIMS-ICS? Select one: a. Uses common terminology and communications b. Only required to be used on large incidents c. Requires a special certification to use its components d. Incident action plans must be in writing
Uses common terminology and communications
Why must ventilation crews always know the location of interior attack crews? Select one: a. Interior crews and ventilation crews should not be functioning at the same time. b. Ventilation crews can take actions that change the flow path and endanger interior crews. c. Ventilation crews must wait until an interior crew has extinguished fire in a room before they begin ventilating it. d. Interior crews must wait for confirmation from the ventilation crew before evacuating the building.
Ventilation crews can take actions that change the flow path and endanger interior crews.
A _____ is used when a smaller line is needed, but a larger line is still in service. Select one: a. gate valve b. siamese appliance c. wye appliance d. water thief
Water thief
As part of size-up, what information should a firefighter consider while en route to an incident? Select one: a. The cost of calling in additional resources b. Victim survivability based on conditions c. How much of the structure (percentage) is on fire d. Weather conditions and their potential effects on fire behavior
Weather conditions and their potential effects on fire behavior
Which question would the first arriving firefighter ask during initial size-up? Select one: a. When was the automatic sprinkler system last inspected? b. Which tools and equipment will be needed for salvage and overhaul? c. What does the visible fire and smoke indicate? d. Was the fire started by an arsonist?
What does the visible fire and smoke indicate?
In what situation would you include a wye appliance as part of a hose lay? Select one: a. When the hydrant does not have a large diameter connection b. When more than one attachment using a non-gated wye needs to be made available to the same hydrant c. When a smaller line is needed but a larger line is still in service d. When one attack line has been laid, but two are needed to implement a plan
When one attack line has been laid, but two are needed to implement a plan
Which piece of information must be communicated to crew members and dispatch when establishing command? Select one: a. Number of firefighters on scene b. Who the acting Incident Commander is c. Number of occupants in the building d. Who the acting Safety Officer is
Who the acting Incident Commander is
Which type of hose appliance is useful when one attack line has been laid, but two are needed for fire attack? Select one: a. Wye appliance b. Gate valve c. Water thief d. Siamese appliance
Wye appliance
When the first firefighter arrives on scene, he or she should: Select one: a. act as the Incident Commander and establish command. b. act as the Incident Commander and also work as a member of the suppression team. c. stay at the perimeter of the scene until a company officer arrives. d. go immediately to the hot zone and act as Safety Officer.
act as the Incident Commander and establish command.
A difference in pressure inside and outside a compartment causes: Select one: a. the fire to enter the decay stage. b. ventilation to be ineffective. c. air and smoke flow. d. a rise in temperature.
air and smoke flow.
Interior fire attack crews advancing hoselines must carry tools and equipment needed to open interior doors, make an emergency exit, or: Select one: a. check concealed spaces for fire extension. b. check concealed spaces for victims. c. detect hazardous materials. d. conduct air monitoring.
check concealed spaces for fire extension.
During an attack, if interior conditions worsen or are worse than could be observed from outside the structure, contact the IC and: Select one: a. terminate search and rescue operations. b. signal the need for evacuation. c. communicate a change in operational assignment. d. coordinate water application with ventilation crews.
coordinate water application with ventilation crews.
Which type of operational strategy involves keeping personnel outside of the IDLH environment? Select one: a. Direct b. Defensive c. Offensive d. Indirect
defensive
When determining which type of operational strategy to use at an incident, the Incident Commander conducts a risk/benefit analysis to: Select one: a. determine if lives can be saved without unnecessary risk to firefighters. b. include all personnel in the decision-making process. c. decide if firefighters will receive the recognition they deserve for the amount of risk involved. d. weigh the cost of the structure and its contents against the cost of firefighting operations to save it.
determine if lives can be saved without unnecessary risk to firefighters.
The information contained in postincident reports is used to assess departmental needs and: Select one: a. assess fines and fees to property owners. b. assess jurisdictional boundaries. c. hire new department employees. d. determine trends in fire cause.
determine trends in fire cause.
The information gathered on reports is used for: Select one: a. confirming facts in criminal cases. b. determining trends in fire cause. c. adjusting jurisdictional boundaries. d. evaluating personnel.
determining trends in fire cause.
Before entering the structure to conduct fire attack, the crew should: Select one: a. open the door as wide as possible to allow for easy entry. b. ensure they have the required forcible entry and communication equipment. c. check to see that they are entering an area that has already burned. d. place positive-pressure fans at all exterior openings.
ensure they have the required forcible entry and communication equipment.
When dealing with an electrical emergency involving a downed power line Select one: a. use water to extinguish small electrical fires. b. walk or crawl away from the ground gradient area. c. establish an exclusion zone equal to 3 times the distance between power poles in all directions away from the line. d. establish an exclusion zone equal to 1½ times the distance between power poles in all directions away from the line.
establish an exclusion zone equal to 1½ times the distance between power poles in all directions away from the line.
When a firefighter acting as the Incident Commander needs to transfer Command to someone,: Select one: a. it is preferable that Command is transferred via radio contact. b. a written report must be completed first. c. the firefighter must remain in the area to assist the new Incident Commander. d. face-to-face transfer of Command is preferred.
face-to-face transfer of Command is preferred.
The size and location of a fire may be indicated by: Select one: a. flames that are visible from outside the structure. b. a difference in pressure between two compartments. c. the presence of a neutral plane. d. clear, unbroken glass.
flames that are visible from outside the structure.
The most important variable when choosing an appropriate hoseline is: Select one: a. stream reach. b. potential fire spread. c. ease of deployment. d. flow rate.
flow rate
The most important variable when choosing the correct hoseline to use is: Select one: a. nozzle reaction. b. flow rate. c. hydrant variety. d. water hammer.
flow rate
Before entering a structure, the attack crew leader and every crew member should: Select one: a. activate, then turn off their PASS devices. b. perform an additional equipment check. c. check in with the Incident Commander. d. identify potential emergency escape routes.
identify potential emergency escape routes.
Your role at an emergency involving an underground confined space is to: Select one: a. maintain situational awareness as you proceed into the space. b. keep the fire contained until more qualified personnel arrive. c. conduct limited rescue operations. d. document your observations for the postincident report.
keep the fire contained until more qualified personnel arrive.
After conducting a risk-benefit analysis, you should select an offensive strategy when: Select one: a. occupants are not savable. b. no threat to occupant life exists. c. conditions indicate an extreme threat to property. d. lives or property are savable.
lives or property are savable.
To establish command, a firefighter should: Select one: a. remove all nonessential personnel from the incident scene. b. don PPE appropriate for the incident scene. c. make initial assignments to available resources. d. call for assistance from higher ranking personnel. Clear my choice
make initial assignments to available resources.
When making initial assignments, the acting Incident Commander: Select one: a. should continue to work as Incident Commander, but operate as a member of the suppression or rescue crew. b. may place the company into action with a crew member serving as an acting company officer. c. should never split a crew in order to assign personnel to assist Command. d. must only put interior crews into action if there are at least eight personnel on scene.
may place the company into action with a crew member serving as an acting company officer.
The firefighter in command of the incident must understand alarm assignment, which means that they must know the: Select one: a. cost of dispatching mutual aid resources. b. sounds of the alarm tones of different apparatus. c. number and type of units that respond to each alarm. d. name of the officer in charge of each responding fire company.
number and type of units that respond to each alarm.
When determining the size of hoseline to use, the crew leader evaluates fire conditions and the: Select one: a. number of firefighters available to advance the hoseline. b. type of ventilation that other crews are performing. c. wind speed at the scene. d. number of total crews on scene. Clear my choice
number of firefighters available to advance the hoseline.
The National Fire Incident Reporting System (NFIRS): Select one: a. was developed by the NFPA. b. outlines the necessary procedures for termination and recovery efforts. c. is only used in Canada. d. outlines the information needed to complete incident reports.
outlines the information needed to complete incident reports.
If communications have been correctly established, the incoming IC should be able to handle communications such as change in Command Post location and: Select one: a. periodic progress reports. b. general weather conditions. c. notification. d. preincident reports. Clear my choice
periodic progress reports.
Unit leaders must be capable of communicating within the department's IMS system, which includes providing status reports and updates to personnel in charge of the incident and: Select one: a. relaying orders from incident leaders to unit personnel. b. establishing a time interval for all crews to provide progress reports. c. determining initial crew assignments. d. broadcasting incident termination orders.
relaying orders from incident leaders to unit personnel.
A crew leader is responsible for: Select one: a. making operational assignments to incoming units. b. determining whether an offensive or defensive strategy will be used. c. selecting the tools the crew needs to perform their duties. d. being the first member of the crew to enter the IDLH atmosphere.
selecting the tools the crew needs to perform their duties.
The backup hoseline at an incident: Select one: a. is only necessary when performing an interior, offensive attack. b. can provide crew protection, but will have little effect on fire extinguishment. c. may be smaller than the attack line, as long as there are more available personnel on scene. d. should be the same size and provide the same flow rate as the attack line.
should be the same size and provide the same flow rate as the attack line.
When making operational assignments, the Incident Commander: Select one: a. can only assign a RIC if the safety officer determines it is necessary. b. will act as the leader of the attack crew while managing the rest of the incident. c. should only assign a crew to fire attack if enough personnel are present. d. must wait to assign personnel until all units have arrived.
should only assign a crew to fire attack if enough personnel are present.
A(An) _____ may allow water to be applied sooner, but may not provide adequate water flow for extinguishment. Select one: a. master stream device b. inline proportioner device c. small-diameter hoseline d. large-diameter hoseline
small-diameter hoseline
Command should never be transferred to: Select one: a. someone who is not on scene. b. anyone who is below the rank of Assistant Chief. c. anyone who is below the rank of Captain. d. someone who arrived on scene after the first-arriving engine. Clear my choice
someone who is not on scene.
After command has been transferred: Select one: a. the new IC will conduct his or her own size-up. b. the new IC will assign new duties to the initial IC. c. crew members are likely to be reassigned. d. the initial IC is no longer needed on the scene.
the new IC will assign new duties to the initial IC.
Because postincident reports are public legal documents: Select one: a. they must be completed by a fire officer or fire inspector. b. there must be a legal representative present when they are written. c. there may be legal consequences if they are incomplete or incorrect. d. they are only useful at the state or provincial government level. Clear my choice
there may be legal consequences if they are incomplete or incorrect.
After gathering information about the scene from a 360 size-up, the first-arriving firefighter must: Select one: a. establish the initial isolation perimeter. b. transmit a condition or arrival report. c. transfer Command. d. request additional resources. Clear my choice
transmit a condition or arrival report.
When a transition is made from an offensive interior strategy to a defensive strategy and crews must withdraw from the interior, they should: Select one: a. split up so that all members can exit as quickly as possible. b. activate their PASS devices. c. use the hoseline to protect themselves and guide their withdrawal. d. partner up with other crews and exit at the same time.
use the hoseline to protect themselves and guide their withdrawal.
Research shows that the safest way for firefighters to attack a fire is: Select one: a. from the burned side. b. with the wind at their backs. c. facing the wind. d. from the unburned side.
with the wind at their backs.
