IFSTA Final Exam 2023 with Complete Solutions Graded A+ What organization formed in 1896 develops codes and standards to ensure fire and life safety for the public? - Correct Answer D. NFPA What type of company is responsible for forcible entry? - Correct Answer A. Truck company Which of the following is a minimum requirement for protective clothing and equipment as established by NFPA 1500? - Correct Answer C. Protective equipment must meet current NFPA design standard.According to NFPA 1500 emergency operations are limited to - Correct Answer B. those that can be safely conducted by personnel on scene.The concept of risk management is based on an assessment of benefits gained compared to the - Correct Answer A. Risks involved The area that must be kept clear in case a piece of a structure collapses during an
incident is called the: - Correct Answer C. collapse zone
Which of the following is the best description of personnel accountability systems? - Correct Answer D. Systems that assist in keeping track of firefighters at an emergency scene Which of the following is a type of public alerting system? - Correct Answer D. Wired telegraph circuit box Which of the following is a repeater system that uses two radio frequencies for communications? - Correct Answer D. half-duplex Manufactured homes built before 1976 have less _____ than those of current homes. - Correct Answer B. Fire resistance What part of a roof's construction can be manufactured from smaller pieces of wood or light gauge steel? - Correct Answer D. Lightweight construction support system What building component may be mounted over doors and windows to prevent illegal entry? - Correct Answer D. Security bars or grilles Additions to the structure, replacing fire escapes with enclosed stairways, and removing non-load-bearing walls are all types of: - Correct Answer C. permitted structural modifications. 1 / 2
Doors are classified by: - Correct Answer A. the way they operate.
What source of thermal energy is the most common source of heat in combustion reactions? - Correct Answer C. chemical energy What method of heat transfer occurs when a material is heated as the result of direct contact with a heat source? - Correct Answer C. conduction Fuel particles become smaller as the ratio of surface-to-mass: - Correct Answer A.increases Which of the following best describes the impact of higher oxygen concentration on combustion? - Correct Answer A. Materials burn more intensely What term defines the minimum concentration of fuel vapor and air that supports combustion? - Correct Answer C. Lower flammable limit Which of the following fire development factors affects heat release rate? - Correct Answer A. Fuel type Which of the following is defined as the tendency of gases to form into layers according to temperature? - Correct Answer B. Thermal layering The neutral plane in the growth stage is the: - Correct Answer D. interface of hot and cool layers at an opening.What fire-suppression method does not work if fuel is self-oxidizing? - Correct Answer
- Oxygen exclusion
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What is the minimum overlap between coat and trousers when the wearer is bent over to a 90 degree angle? - Correct Answer A. 2 inches (50 mm) What two respiratory hazards are responsible for the majority of fire-related fatalities? - Correct Answer C. Carbon monoxide and hydrogen cyanide What classification of portable fire extinguishers is used for fires that involve combustible liquids and gases? - Correct Answer B. Class B On a multiple marking extinguisher the ratings for each class are - Correct Answer C.separate, they do not affect each other.Signal to others that a portable fire extinguisher is empty by: - Correct Answer A. laying it on its side.Which of the following type of rope is constructed of a braided core enclosed in a braided, herringbone-pattern sheath? - Correct Answer B. Braid on braid rope