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Hazmat Ops IL State FIREFIGHTER
FINAL EXAM .QUESTIONS WITH
COMPLETE SOLUTIONS.100%
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UPDATED 2025
Per OSHA, which of the following positions must be appointed at all hazardous materials incidents? - ✔✔✔Safety Officer Which of the following ensembles provides the highest level of protection to a responder? - ✔✔✔Level A The primary difference between Level A and Level B ensembles is: - ✔✔✔Level A ensembles are fully- encapsulating Which of the following is a limitation of a supplied air respirator (SAR)? - ✔✔✔The supply line is subject to mechanical and thermal damage In which situation would an air purifying respirator (APR) be indicated? - ✔✔✔When the contaminant is known and is at a concentration that can effectively be filtered
Which of the following reduce the effectiveness of chemical protective clothing? - ✔✔✔Permeation Penetration Degradation All of the above Rounded, almost spherical ends, bolted manways, and pressure relief gauges are clues that a container is: - ✔✔✔Under pressure A fully-encapsulating protective ensemble is a: - ✔✔✔one- piece garment with boots and gloves that may be integral, attached and replaceable, or separate. Which of the following best describes primary contamination in a hazardous materials incident? - ✔✔✔The hazardous substance comes into direct contact with individuals or objects Which of the following best describes secondary contamination in a hazardous materials incident? - ✔✔✔The
MC-331 cargo tanks typically have tank pressures of 100- 500 psi, bolted manways, inlet and outlet valves, and: - ✔✔✔Large hemispherical heads on both ends MC-312 cargo tanks used for corrosive liquids typically have a MAWP of at least 15 psi, a relatively small diameter, and: - ✔✔✔Stiffening rings Which cargo tank truck almost always carries flammable/combustible liquids such as gasoline, fuel oil, or alcohol - ✔✔✔Low pressure Which of the following hazard class/division represents hazardous materials with a mass explosion hazard (i.e. all contents in a container have the potential to detonate simultaneously)? - ✔✔✔1. A majority of hazardous materials incidents involve which hazard class? - ✔✔✔Flammable Liquids (3) Which of the following principles is the basis for protecting individuals from radiation exposure in a radiological incident? - ✔✔✔Time, distance, shielding
Wearing appropriate PPE or placing an object between a responder and the hazard is a type of: - ✔✔✔Shielding Which of the following hazard classes have the potential to produce an explosive or flaming reaction with or without air or external energy input? - ✔✔✔Oxidizers Which of the following hazard classes represents a reactive substance that contains a great amount of potential energy that can be released suddenly and violently under proper conditions? - ✔✔✔Explosives The outer perimeter of this zone represents the location where effects from rapid deterioration within the hot zone would not be experienced by first responders. - ✔✔✔Warm zone In which hazard control zone would the logistics section be located? - ✔✔✔Cold zone
- Mass decontamination can be accomplished with: - ✔✔✔Handlines or parallel apparatus discharging via stationary fog lines
Which type of decontamination is good for removing most surface level contamination? - ✔✔✔Gross Which type of decontamination is performed without regard for water runoff or possible environmental impacts? - ✔✔✔Emergency A firefighter that collapses inside the hot zone will most likely undergo which type of decontamination? - ✔✔✔Emergency Who is ultimately responsible for developing the incident action plan at a hazardous materials incident? - ✔✔✔Incident Commander Which mode of operation includes confinement of a hazardous material and could also include rescue? - ✔✔✔Defensive What are the top priorities at a hazmat incident? - ✔✔✔Life safety, incident stabilization, property and environmental protection In general, a product's ___________________ is assigned based on its most dangerous chemical and/or
physical properties. - ✔✔✔Hazard class When and how are SOPs/SOGs typically developed? - ✔✔✔Before an incident; based on the hazards present in the AHJ How do predetermined procedures help to reduce chaos at a hazardous materials incident? - ✔✔✔By preventing duplication of effort and uncoordinated operations If a BLEVE is becoming increasingly likely or imminent, you should: - ✔✔✔Withdraw to a safe distance The incident commander has ordered individuals within a two-block radius of an incident to shelter in place. In general, this means that residents should close windows, close doors, and __________. - ✔✔✔Turn of all HVAC systems Unit leaders/officers should be prepared to provide the incident commander with updates regarding the status of their progress. These reports will most likely include:
- ✔✔✔Company status and the progress that has been made toward completing the assignment
