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BEFO final Exam Questions| Questions and
Answers | Graded A+
what is the mission of the fire service - ✔✔save lives, property and environment what is the ideal span of control - ✔✔ 3 - 7 under one supervisor The formal line of authority, responsibility, and communication within an organization. - ✔✔chain of command Basic unit of fire fighting operations - ✔✔company what does a company consist of - ✔✔apparatus, firefighters, and an officer multiple companies within a response area - ✔✔battalion or response district performs fire suppression duties - ✔✔engine company Performs forcible entry, search and rescue, ventilation, salvage and overhaul, and utilities control and provides access to upper levels of a structure? - ✔✔truck (ladder) company searches for and removes victims - ✔✔rescue company Extinguishes ground cover or grass fires and protects structures in areas close to fields and woodlands - ✔✔brush company standard operating procedures - ✔✔SOPs
establishes codes, standards, guidelines, and recommended practices for the prevention and control of fire - ✔✔National Fire Protection Association What is the leading cause of firefighter fatalities - ✔✔Cardiovascular disease common respiratory diseases - ✔✔COPD, asthma, lung cancer, etc what are the 3 zones of an incident scene - ✔✔Hot zone, warm zone, and cold zone What are the 3 types of accountability - ✔✔Passport System, SCBA Tag system, computer based Electrical field that radiates outward from where the current enters the ground - ✔✔ground gradient Separate telecommunications or dispatch centers that the fire department, EMS, or law enforcement agency operates - ✔✔Emergency service specific telecommunications center central location that takes all emergency calls and routes the calls to the scene - ✔✔Public Safety Answering Point (PSAP) who regulates all radio communication in the United States - ✔✔Federal Communications Commission (FCC) Radios used in fixed locations such as fire stations, telecommunications centers, training centers, or administrative offices are referred to as: - ✔✔Base station radios common radio limitations - ✔✔distance, physical barriers, dead zones, interference, ambient noise building type which provides the highest level of fire protection, made of concrete and steel - ✔✔Type 1 (fire resistive)
most common form of ignition, when a mixture of fuel and oxygen encounter an external heat source - ✔✔piloted ignition 3 sides of a fire triangle - ✔✔heat, fuel, oxygen 4 sides of fire tetrahedron - ✔✔reducing agent (fuel, chemical chain reaction, oxidizing agent, heat minimum temperature at which a fuel in the air must be heated in order to start self sustained combustion - ✔✔autoignition temperature (AIT) _______ combustion occurs more slowly and at lower temperatures, producing a smoldering glow in the materials surface - ✔✔nonflaming _______ combustion produces a visible flame above the material's surface. AKA fire - ✔✔flaming Smoke is the product of? - ✔✔incomplete combustion colorless, odorless gas, released when an organic material burns with limited supply of oxygen. - ✔✔Carbon monoxide (CO) a toxic, flammable substance produces in the combustion of materials containing nitrogen. 35 times more toxic than CO - ✔✔Hydrogen cyanide (HCN) Product of complete combustion of organic materials, displaces existing oxygen - ✔✔Carbon Dioxide (CO2) Gasses always move from _____ pressure to _____ pressure - ✔✔high, low does heat increase or decrease air pressure - ✔✔increase
the measurement of heat - ✔✔temperature 3 sources of thermal energy - ✔✔electrical, chemical, mechanical transfer of heat through and between solids - ✔✔conduction The transfer of thermal energy by the circulation or movement of a liquid or gas - ✔✔convection the transmission of energy as electromagnetic waves, such as light waves, radio waves, or x rays - ✔✔radiation
