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Year 3
Question | Answer |
---|---|
Which extinguishing media should not be applied to an electrical fire | Water |
* Hazards involving clandestine labs can be grouped into 5 broad categories. List 4 of them. | Improvised or Temporary Lab Facilities Fire hazards Hazardous chemicals Production hazards Weapons and other security devices |
What is the main problem you face if the fire gets behind you in structural firefighting? | |
Why is radiant heat a problem at structure fires? | |
What are the levels of incident review conducted by DFES? | |
List five (5) of the hazards you may face in a structural fire situation | |
*List the three (3) conditions necessary for static electricity to cause ignition? | Effective means of static generation Strong spark discharge Spark must meet a flammable mixture. |
What is a potential hydrant problem in high-rise buildings? | |
State the hazard that the firefighters must be aware of, after an escaping gas fire has been extinguished? | |
* List two (2) of the causes of entrapment in urban fires? | Disorientation combined with a failure to make adequate use of guide lines Escape routes being blocked by fire spread Escape routes being blocked by collapse of building and debris |
* As per SOP 3.4.8 – Electrical Hazards, briefly describe the four (4) step procedure for an Electrical Hazard Rescue | Request the assistance of the Power Authority Disconnect the power source in all cases Use isolation procedures and AC Hot Stick to confirm isolation Do not attempt to aid the victim until the electrical current has been switched off |
Why is radiant heat a problem at urban fire incidents? | |
* Protection from radiation is provided by: | Time, distance, shielding |
What should you do before opening a door whilst fighting a structure fire? | |
Excluding the appliance, what four (4) pieces of equipment are required to draught water from a static supply? | |
* Describe the term ‘Boilover’? | Expulsion of heated oil from an open top tank involved in a full surface fire. |
Describe (2) two situations when you might encounter a Clandestine Drug Laboratory? | |
Protection from radiation is provided by? | |
What are the three (3) levels of Post incident analysis that are conducted by DFES? | |
What are the characteristics of a wet chemical extinguisher? | |
* List the four (4) ways of which a Property Fire can be classified according to how they were started: | Accidental, suspicious, deliberate, unknown |
fire commercial, walls brick no windows, access by single door. Fuel class A in a densely packed series of crates extends to the ceiling. Identify most appropriate extinguishing agent and explain which characteristics guided your choice in this situation | |
How can a map assist you in determining a suitable route to an incident? | |
* Describe how heat flows from regions of high temperature to regions of low temperature. | 3 main methods- Conduction, convection, radiation. |
* What is the common extinguishing media that is generally NOT suitable for metal fires? | Water |
What are the critical dimensions of a ‘safer’ area, in relation to flame height? | |
Heavy smoke at a bushfire can be a serious threat to your well being. What are the three acceptable ways to minimise this hazard? | |
As a possible witness to an accident and subsequent investigation when possible you should take notes to assist. Describe the types of information you should be recording? | |
* In implementing a defensive strategy of asset protection, what must be done immediately after the fire front has passed? | continue patrolling and mopping up your area, until it is reasonable that no further fire threat exist. When moving on, ensure residents remaining in the area know to safely continue patrolling and mopping up. know how to call for assistance if needed. |
Machines such as bulldozers, working in a direct attack role on forest fires, should have what support? | |
* What does the term mineral earth mean, in relation to constructing control lines? | A surface which has virtually no organic matter, thereby providing a barrier for fire travelling on or near the ground. |
* Under what circumstances are defensive strategies necessary? | Extreme fire behaviour (flame height > 4-5 m) Limited FF resources The fire is remote and not able to be immediately attacked. |
Why should back burn lighting crews be kept as small as possible? | |
What is a major safety consideration in making a parallel attack on a bushfire? | |
*Back burning may only be authorised by whom? | Incident Controller |
* List four (4) sudden changes in fire behaviour that may affect the crew safety while conducting firefighting operations bushfire incident - | Increase fire intensity Increase Rate of spread Rapid change in direction |
How can you minimise the risk of injury from falling limbs and trees? | |
* List three (3) causes of heat illness? | Radiant heat from fire Environmental heat Metabolic heat Dehydration |
* List and briefly describe the three (3) main factors that affect the fire behaviour of a bushfire - | Fuel Weather Topography |
Before a backburn is lit, the OIC must be satisfied that five (5) conditions are met. What are these conditions? | |
What are the major advantages of making an indirect attack on a bushfire? | |
* List three (3) hazards unique to the mop-up and patrol phases of a bushfire incident | fire weakened tree trunks/branches - Falling branches/trees Snakes/wildlife Fire burnt out fuels in ground that were supporting rocks/logs on a slope, allowing them to roll downhill. always look upslope hazards in hilly terrain. |
In an initial attack at a bushfire, who establishes a Control Point and where? | |
* LACES is a safety check before fighting or lighting a fire, which must be continually re-evaluated as conditions change. Provide a brief explanation of each component of the LACES bushfire safety acronym | Lookouts (all continually monitoring conditions and re-evaluate situ), Awareness (all be alert and act decisively before critical), Communications (establish, maintain, regular sit reps), Escape routes (know and position appliances), Safety Zones |
List four (4) precautions that you (or residents) can take before the fire front arrives, to help avoid ignition of structures? | |
* Backburning is a strategy used throughout Western Australia in fire suppression. It can be dangerous if carried out under the wrong conditions. List two (2) disadvantages of using a back burn? | 1) Increases fire area 2) Can create new fire head |
How far from a bulldozer working in the forest should you keep? | |
* Describe the “Dead Man Zone” and its potential consequences - | The dead man zone is an area away from, but near to, the actual fire. Hazardous as if there is a change in wind direction, the fire flank can quickly become the head fire burning directly at you with an increased velocity and intensity. |
Why is direct attack on grass fires often most effective from the burnt side of the fire edge? | |
* As a general rule, what is the maximum flame height that may allow a direct attack? | approx 1.5m or less |
* A fire can double its rate of spread every 10 degrees of slope when burning uphill. True / False | T |
* Give a brief description of the three (3) basic types of fires? (Ground, Surface, Crown) | C - burns high, in crown of trees ahead, or above, of a strong surface fire in undergrowth S - most common, when grass, low shrubs are burning at approx ground level G - Burn below ground level, eg in peat, or plant roots, hummus or sub surface logs |
Summarise acceptable fuel and weather conditions for backburning? | |
When would a spot ignition pattern be used to light a backburn along the edge of a control line rather than using a line ignition pattern? | |
* State the blackout distance as per Directive 3.5 – Bushfire for the following fuel distribution types - 1) Ground Fuels 2) Vertical Fuels | Ground - 20m Vertical fuels - 100m |
* Describe the function of the Control and Indicating Equipment (CIE).? | Positioned adjacent to the FIP and is used to control all of the smoke spill fans and air handling systems within a complex. |
* Describe four (4) features of a hose reel? | Usually located with 4 m of an exit Mounted using a fixed or swinging drum max of 36 m of 19mm black rubber hose Have a working pressure of 1 MPa (10 bar) |
* List four (4) additional water sources that can be utilised in conjunction with booster pump operations - | Town mains Pools Lakes Rivers |
State the three (3) reasons for maintaining a tenable atmosphere in exit routes? | |
* Describe the Automatic Evacuation Sequence within a building over 25m in height - | affected level - evacuation zones have priority two levels above are evacuated (initially an alert tone) level below then the others levels in priority order. |
* Explain the difference between Photoelectric and Ionisation type smoke detectors? | Photo - respond quickly to larger smoke particles, suitable for general application. Ion- respond quickly to smoke containing small particles, produced by clean burning but may respond slowly dense smoke with large particles by smouldering materials. |
How would you identify a Floor Warden? | |
* What piece of equipment is worn by the Chief Fire Warden to identify his/her position? | usually white helmet |
* Describe the advantages and disadvantages of using thermal detectors in a private/residential kitchen? | ** Ad: less false alarms, kitchens often produce smoke from cooking neg: only activates at final stage of fire development when fire is present |
What five (5) roles should a workplace “emergency control organisation” consist of? | |
* What is the size requirement for the lettering on internal hydrants? | Min 50mm |
* Describe the purpose of a booster connection? | Increase the pressure to hydrants or sprinkler systems by utilising the appliance's pump |
* There are nine (9) requirements for sprinkler valve locations as described in Australian Standard AS 2118 - 1999: List five (5) of them? | Ground floor In a secure room If outside, must be weatherproof if outside, max 25m from main entrance |
* At what ratio does a typical Hi-Ex foam system operate at? | 1000:1 ratio |
* Describe the purpose of a EWIS? | To provide an independent emergency system which allows the system to: alert occupants of a building to a potential emergency, assists in initiating orderly evacuation. |
* You notice the performance of a firefighter on your platoon is not up to standard. Describe any coaching methods you might employ to help get your colleague back on track to meet team goals and objectives? | Speak with FF and discuss concerns. Be open,. help create clear, achievable goals, offer to train togther, If you cant resolve situ, discuss with your SO, or seek advise from staff Welfare officer, or manager, or human services. Ensure follow up |
* Explain the difference between “need to know” and “nice to know” information? | Need- essential Nice - not essential, but likely useful |
* List any three (3) of the six (6) important attributes of a Team Leader? | Good communication skills Competence Interpersonal skills Safety skills |
* Explain the term “empower” - | to give authority or power to, to authorise, give strength and confidence to |
* Explain the purpose of Occurrence Books and list five (5) of the entries that might be found in them? | legal document, record of daily activities, staffing and incidents attended. Staff availability, crew positions, Daily activities, contractors on site, incidents attended, training/drills conducted |
* Feedback may be provided informally, at any time, or as part of a formalised process. List the two (2) types of feedback that a person can be given – | Positive, constructive |
* define delegation | A demonstration of trust in other people that they have the competency to help with the workload. |
* What actions should be taken if you experience an issue in the workplace that you cannot resolve yourself? | Try resolve at lowest level (other FFs in crew or SO). Work way up chain of command as appropriate. If needed, follow grievance policy |
* How does the role of an individual firefighter relate to the DFES Mission Statement? | Work with the local community to improve community safety practices and provide timely, quality and effective emergency services. |
* What is the procedure to be followed should a firefighter fall behind in their Firefighter Development Program requirements? | Essential training will notify DO and SO, inform them DO and SO will organise a time to meet with FF and discuss an Individual Development Plan |
* List one of the major fall hazards for fire-fighters in partially built structures? | Missing floors or stairways |
* What is the common extinguishing media that is generally NOT suitable for metal fires? | Water |
* BA should be worn whenever firefighters enter the smoke and gas es produced from a burning vehicle. T/F | T |
* Explain the term “prioritisation” in relation to activities and projects? | To order activities, tasks by level of importance. |
* is a major incident review the highest level of review conducted by DFES | Yes |
* Why are critical incident stress management procedures important? | We are a team based occupation where it is essential care and welfare of all colleagues is taken |
* Explain the term “Chain of Command” - | Is an order of authority and reporting relationship which aids in clearly defining roles, delegation of tasks |