Mod 2 Firefighter One All Possible Questions and Answers with complete solution

Which type of specialized fire company generally performs forcible entry, performs ventilation, and provides access to upper levels of a structure? - Answer-Truck/ Ladder company The step-by-step process for ventilating a roof is an example of a: - Answer-procedure. Which is an example of a fire department facility design requirement set forth in NFPA 1500? - AnswerSpace for cleaning, disinfecting, and storing infection control devices The hot zone at an emergency incident: - Answer-includes trained personnel who are directly resolving the problem. When operating emergency scene lighting, firefighters should: - Answer-be aware that generator noise may make communications difficult. What usually indicates that a radio receiver is near the limit of the radio transmission range? - AnswerBroken Messages What is likely to be a source of interference with radio communication? - Answer-High-voltage transmission lines All recorded radio transmissions are: - Answer-part of the official incident record and may become public. What is likely to happen during a fire in a Type V building? - Answer-Combustible insulation becomes exposed as vinyl siding melts, allowing fire to spread to interior Roof security features such as wired glass and iron plates can: - Answer-make ventilating the roof more difficult and time consuming.Sliding doors are not allowed as part of a means of egress because they: - Answer-slow the travel of people through the door opening. What design feature of revolving doors helps provide an unobstructed opening for people to use as an emergency exit? - Answer-The wings of the doors are designed to collapse under pressure. What kind of window consists of only a frame and a glazed stationary sash? - Answer-Fixed window Which type of window has a large number of narrow glass sections that overlap and swing outward to open? - Answer-Jalousie How would an atmosphere that has a low oxygen concentration of 15 percent affect combustion of materials? - Answer-The atmosphere would require more oxygen in order for any solid or liquid material to burn. Which is a true statement about fires in an oxygen-enriched atmosphere? - Answer-Materials that burn at normal oxygen levels will burn more intensely in an oxygen-enriched atmosphere. In a ventilation-limited fire, the heat and growth is limited by the: - Answer-amount of oxygen available to the fire. Which stage of fire development occurs when the fire is small and confined to the fuel first ignited? - Answer-Incipient The tendency of gases to form into layers according to temperature, gas density, and pressure is thermal: - Answer-Layering The interface between the hot gas layer and cooler layer of air in a compartment fire is known as the: - Answer-neutral plane The fully developed stage occurs when the heat release rate of the fire has: - Answer-reached its peak.How can wind affect fire development in a structure fire? - Answer-It can create pressure differences that cause windows to fail and provide oxygen to the fire. Which statement about a compartment fire is true? - Answer-Given enough available fuel, fire will follow oxygen through a building along any available flow path. Which statement relating to buildings under construction, renovation, or demolition is true? - AnswerInoperative standpipes and sprinkler systems have become a contributing factor in fires in buildings under demolition. When wearing a helmet, the wearer should: - Answer-wear a form of primary eye protection in addition to the face shield. Which SCBA component reduces the high pressure of the cylinder and controls air flow to the wearer? - Answer-Regulator assembly Which SCBA limitation would likely be positively affected by training with the assigned SCBA units? - Answer-Psychological limitations such as claustrophobia What should you do if you notice that your SCBA needs to be repaired? - Answer-Immediately report the necessary repairs What should be done during weekly inspections of SCBA? - Answer-Check the regulator for damage When wearing SCBA in an IDLH atmosphere, you must: - Answer-check your air supply status frequently. What would signal the need to make an emergency withdrawal? - Answer-SCBA failure. When entering an IDLH atmosphere, it is important to: - Answer-be aware of alternate means of egress in case the entry route is blocked.How are portable fire extinguishers classified? - Answer-According to the type of fire they are designed to extinguish A fire involving _____ would be considered a Class A fire. - Answer-rubber If a small diesel fuel spill catches on fire, the most effective extinguishing agent would be: - Answercarbon dioxide (CO2). Which type of extinguisher is designed for a fire involving magnesium? - Answer-Dry powder What statement about Class D extinguisher ratings is accurate? - Answer-Instead of a numerical rating, Class D extinguishers include application instructions on the faceplate of the extinguisher. Class K fires are extinguished using portable fire extinguishers or _____ systems. - Answer-Wet chemical Clean agent extinguishers: - Answer-are nonconductive and can extinguish energized electrical equipment fires. What is the final step in the PASS application method? - Answer-Sweep the nozzle back and forth. When inspecting braid-on-braid rope, what action should be taken if the sheath slides on the core? - Answer-Cut the end of the rope, pull off the excess material, and then seal the end. When storing rope, firefighters should: - Answer-store rope in an unheated area with freely circulating air currents. The best method for storing rope is to place it into a nylon or canvas storage bag because: - Answer-it can be deployed quickly. When tying knots, which part of the rope is the free end that is used for hoisting or pulling? - AnswerThe running partThe process of tightening knots until snug and removing all the slack is called: - Answer-dressing the knot A figure-eight bend is: - Answer-a means of tying ropes of equal diameter together. Which type of knot is preferred for joining two pieces of webbing or the ends of the same piece when a loop is needed? - Answer-Water knot