Ignition source - Study guides, Revision notes & Summaries

S-290 Final Exam Questions and Answers Already Passed T/F Topography can directly and indirectly affect fuels and their availability for combustion. True Of the three primary environmental factors that influence fire behavior, which is the least variable? Topography The least critical form of heat transfer that influences rate of spread in a running wild land fire is: Conduction The point to which a combustible material must be heated to produce self-sustaining combustion is known as the: Ig...

The basic methodology of the fire investigation should rely on the use of a ______________________ and attention to all relevant details. a. systematic approach b. approximation approach c. methodology approach d. general approach - a. systematic approach With few exceptions, the proper methodolgy for a fire or explosion investigation is to first _____________________ then investigate the cause, circumstances, conditions, or agencies that brought the ignition source, fuel, and oxidant t...

Chapter Test 4 (IFSTA 7th Edition) Fires involve a heat-producing chemical reaction between fuel and: (117) [4.3.11] A. a catalyst. B. an oxidizer. C. free radicals. D. a reducing agent. - ANSWER B. an oxidizer When a substance changes from one type of matter into another, such as two or more substances combining to form compounds, the substance undergoes a: (118) [4.3.11] A. dissolutio...

What level of hazardous materials training enables fire fighters to recognize a potential hazardous materials incident, isolate and deny entry to other responders and the public, evacuate persons in danger, and take defensive action - Operations What is it called when there is too much fuel in a fuel/air mixture? - Too Rich How is flammable range related to the relative danger of a substance? - The wider the ranger, the more dangerous the substance is. What mnemonic helps fire fighters rem...

California Motorcycle Safety Program (CMSP) Test 2023 | Questions & Answers (100% Correct) California Motorcycle Safety Program (CMSP) Test 2023 | Questions & Answers (100% Correct) Give three reasons why motorcycling is more risky than driving a car? - ANSWER - 1- motorcycles are more vulnerable than cars 2-they are harder to see than cars 3-you are exposed to the elements What is rider readiness - ANSWER - Being mentally focused, physically fit, wear proper riding gear, know your limita...

S-190 Questions and Answers Already Passed The precise location where a competent ignition source came into contact with the material first ignited and sustained combustion occurred. Point of origin. The side of the fire having the fastest rate of spread Head of a fire The part of a fire's perimeter that is roughly parallel to the main direction of spread Flank of a fire That portion of a fire spreading directly into the wind or down slope. That portion of a fire edge opposite the head Slo...

TCFP Review 2023/2024 Which of the following is a type of radiation? A. Omega B. Delta C. Alpha D. Theta - ANSWER C. Alpha Which term refers to the concentration of a gas or vapor in air that will burn if provided with a source of ignition? A. Flash point B. Vaporization range C. Flammable range D. Combustible limit - ANSWER ...

Combustible Liquid - Correct answer-A liquid with a flash point ABOVE 100F 12.5 - Correct answer-If the current flowing out from an electrical panel is 12.5 amps, and it then flows through an electrical load of 1500 watts, what is the amperage of the remaining current flow of the return circuit? 1000 - Correct answer-If a hair dryer draws 8.3amps (in a home with 120-volt service), what is the wattage? *Power (P) = current (I) x voltage (V) Watts = amps x volts 1987 - Correct answer-The y...

F80 EXAM QUESTIONS WITH 100% CORRECT ANSWERS LATEST UPDATE 2024/2025 (GRADED) How often must this certificate be renewed? - ANSWER Every 3 years In what types of buildings and occupancies are coordinators of fire safety and alarm systems in homeless shelter required? - ANSWER Homeless shelters, one-way voice communication systems, or occupied for more tha n fifteen persons for a period of more than 30 days. What is the certificate of occupancy? - ANSWER Determines the number of occupants a...

IFSTA 7 - Ch 20: Fire Origin and Cause Determination Exam Questions And Answers 100% Solved Which is the most obvious sign of fire cause? Select one: a. Extent of damage b. Occurrence of flashover c. Time between incipient and growth stages d. Competent ignition source - answerCompetent ignition source An occupant stating that the room smelled like propane immediately before the fire started is an example of _____ evidence. Select one: a. circumstantial b. direct c. trace d. physi...