Download HAZMAT Operations Firefighter Final Exam: Questions and Answers and more Exams Safety and Fire Engineering in PDF only on Docsity!
HAZMAT OPERATIONS FIREFIGHTER
FINAL EXAM 100% GUARANTEED
PASS.LATEST UPDATED
2025.QUESTIONS WITH COMPLETE
SOLUTIONS
A person who responds to hazardous materials, wmd incidents for the purpose of implementing or supporting actions to protect nearby persons, the environment or property from the effects to the release is known as? - ✔✔✔Operations Level Responder _______ effects present symptoms immediately, ______ effects manifest at later times which can be years - ✔✔✔acute, chronic A chemical that is not corrosive but one that causes a reversible inflammatory effect on living tissue by chemical action at the site of contact - ✔✔✔Irritant A large woven fabric or cloth bag with a fill port on the top and a discharge port on the bottom, also known as bulk bags - ✔✔✔Flexible containers, super sacks A material that presents a hazard during transport due to its form, quantity, and packaging - ✔✔✔ORMD A material that presents a hazard during transport, but is not included in another class - ✔✔✔Class 9 A material, other then a gas, that is either known to be so toxic to humans as to afford a hazard to health during transport, of in the absence of adequate data on human toxicity, is presumed to be toxic to humans, including irritating materials - ✔✔✔Class 6. a measure of a substance's tendency to deteriorate in the presence of another substance or in a particular environment - ✔✔✔Corrosive
A phrase that describes recommended measures that should be taken to minimize or prevent adverse effects resulting from exposure to a hazardous chemical or improper storage or handling - ✔✔✔Precautionary Statement A polypropylene tank surrounded by a rigid metal frame with a fill port on top and a discharge port on the bottom - ✔✔✔Rigid containers A semi circular or dome shaped pattern of the airborne hazardous material that is still partially in contact with the ground or water - ✔✔✔Hemisphere A single dose that causes the death of 50% of a group exposed to it by any route other than inhalation - ✔✔✔Lethal dose A temperature as which liquid will give off sufficient vapors that will ignite readily given in ignition source fire does not have to contribute to burn - ✔✔✔Flashpoint A triangle shaped pattern of the airborne hazardous material with a point source at the breach in a wide base down range - ✔✔✔Cone According to the hazard communications program all hazardous materials received by base supply will be accompanied by these - ✔✔✔SDS According to this document the NRT is responsible for publishing guidance documents for the preparation and implementation of hazardous substance emergency plan - ✔✔✔Under the superfund amendments and re-authorization act of 1986 An irregular or indiscriminate deposit or pattern with no definite shape of the hazardous material - ✔✔✔Irregular An organized structure of roles responsibilities and procedures for the command and control of emergency operations - ✔✔✔Incident command structure Any material that causes cancerous growth in living tissue - ✔✔✔Carcinogen
Dangerous placard's are used for what - ✔✔✔Mixed loads Decrease the function of the hemoglobin in the blood in deprive the hematopoietic body tissues of oxygen - ✔✔✔Blood Agents Defensive options fall into what two category - ✔✔✔Evacuation, recognition, identification, notification, isolation Defensive response objectives are based on what - ✔✔✔Current stage of the incident and strategic goals Destroy skin and muscle tissue when water in individual cells is frozen in thereby by crystallize - ✔✔✔Frostbite Disadvantages of this heat exchange unit include adding additional bulk and weight to the responders equipment and requires an ice source at the scene - ✔✔✔Ice cooled Flammable and combustible liquids fall under which class - ✔✔✔Class three Fusible plugs has a metal alloy core that is designed to melt at a temperature between - ✔✔✔158 & 165 degrees Generally will not exceed 100 pounds and can carry both hazardous and non-hazardous materials - ✔✔✔Bags Glass or plastic bottles with a protective cover to keep the bottles from breaking during transport - ✔✔✔Carboys Hazardous materials incident safety briefing's should include or cover what topics - ✔✔✔Preliminary evaluation, hazard identification, description of site, test to be performed, length of time allow for task, required PPE, monitoring requirements, and notification of identified risk
High pressure cylinders permanently mounted with an international standard organization frame - ✔✔✔Tube modules How do responders approach a hazardous material incident - ✔✔✔Uphill, up wind, upstream Highway transport vehicles have papers identifying products being carried what are those papers know as - ✔✔✔Bill of lading, shipping paper How is the owner identified on an inter-model tank container - ✔✔✔Three letter abbreviation followed by U How many classes of hazardous materials - ✔✔✔ 9 How often does NFPA 1500 require all responders using SCBA to be medically monitored - ✔✔✔Yearly Identify the five ways in which containers can breach - ✔✔✔Disintegration, run away cracking, closures opening up, punctures, splits and tears Identify the importance of the buddy system - ✔✔✔Accountability, safety, no one works alone Identify the physiological and psychological stresses that can affect users of PPE - ✔✔✔Low dexterity in mobility, low visibility, communication problems, physical stress, claustrophobia, heat stress, heat exhaustion Incidents involving criminal or terrorist activity should be checked and monitored for what - ✔✔✔Secondary events, armed resistance, use of weapons, booby traps Intended for materials with a low level of radiation that poses a limited hazard to the public and environment - ✔✔✔industrial Is the phase of decontamination where significant reduction of the amount of surface contamination takes place as quickly as possible - ✔✔✔Gross Decon
Proper selection of PPE for individual responders during specific emergencies must be based upon a careful assessment of what two factors - ✔✔✔The hazard anticipated and the probable impact of those hazards Refers to solids and it's expressed in micros or percent passing through a mash screen - ✔✔✔Particle size Responsible for developing, documenting and coordinating the information gathered during an incident - ✔✔✔Information and research Seamless steel cylinders 9 to 48 inches in diameter stacked in manifold it together permanently mounted on a trailer - ✔✔✔Compressed gas tube trailer Shipping papers and rail transport vehicles are known as - ✔✔✔Way bulls or consist The ability of a material to blend uniformly with another - ✔✔✔water solubility The inability of the body to transfer heat to the atmosphere at a rate equal to or faster than it is being generated - ✔✔✔Heat stress The limitations of this respirator include impaired mobility and hose limited travel distance of 300 feet - ✔✔✔Positive pressure airline respirator The minimum concentration of vapor to air below which a flame will not propagate in the presence of an ignition source also known as to lean to burn - ✔✔✔Lower explosive limit The minimum temperature required to cause self sustained combustion in the absence of any source of ignition - ✔✔✔ignition temperature/autoignition temperature The most dangerous form of radiation originating from the nucleus of an atom - ✔✔✔Gamma rays The movement of a chemical through the suit closure cracks or tear - ✔✔✔Penetration
The physical destruction or decomposition of a clothing material due to exposure to chemicals use or ambient condition - ✔✔✔Degradation The plant systematic process of reducing contamination to a level that is low as reasonably possible - ✔✔✔Technical decontamination The pressure at any given temperature at which the vapor and liquid phases of the substance is an equilibrium in a closed container - ✔✔✔Vapor density The process by which a hazardous material moves through given material on the molecular level - ✔✔✔Permeation The process for estimating the potential outcomes with an endangered area at a hazardous incident includes what two step - ✔✔✔Determining The dimensions of the endangered area and estimating the number of exposures within the endangered area The ratio of the weight of a liquid or solid as compared to an equal amount of water - ✔✔✔specific gravity The ratio of the weight of a vapor as compared to an equal amount of air - ✔✔✔Vapor density The three types of high temperature protective clothing include - ✔✔✔Approach shoots, proximity suits, and fire entry suit These are the characteristics of a material that do not involve the chemistry or chemical natures of the material - ✔✔✔Physical property These are used on equipment not people and generally involve decontamination by changing the contaminant through some type of chemical reaction in an effort to render the contaminant less harmfil - ✔✔✔Chemical method These are very small with high speed penetrating power and can travel distance of 7 feet - ✔✔✔Beta particles
This is the maximum vapor to air concentration above which a flame or not propagate also known as too rich to burn - ✔✔✔Upper explosive limit This is the starting point for determining if the integrity of the radioactive package has been breaches
- ✔✔✔Transport index This level of an incident poses a threat to life in a property and require a formal hazmat team - ✔✔✔Level 2 This refers to the materials ability to stay within the area of release for long periods of time - ✔✔✔Persistence Volume of a substance in liquid form compared to the volume the same number of molecules in gas form - ✔✔✔Expansion ration What are the factors influencing determining numbers and types of exposure - ✔✔✔Time of day type of occupancy's location of release and weather What are the factors influencing the length of time hazardous materials will remain in an endangered area - ✔✔✔Quantity of material lease method of dispersion and speed of release What are the factors that influence harm - ✔✔✔Concentration of the material and duration of the contact What are the four routes of entry or main ways that hazardous materials can enter the body - ✔✔✔Inhalation ingestion absorption and injection What are the four ways in which containers can release their content - ✔✔✔Detonation violent rupture rapid relief and spills or leak What are the three basic principles that affect exposure exposure to external radiation - ✔✔✔Time distance and shielding
What are the three divisions in class two materials - ✔✔✔Flammable gases, non-flammable non- poisonous compressed gas, poisonous gas What are three methods of decontamination - ✔✔✔Physical chemical and prevention What are the three primary types of fix facility storage tanks - ✔✔✔Non-pressure pressure and cryo- genic What are the three sections of the EPA registration number found on a pesticide label - ✔✔✔Manufacturer, specific product and sub registration number What are the three types of exposures within an endangered area - ✔✔✔People environment and property What are the three types of stress that is causing container system to release its content - ✔✔✔Thermal mechanical and chemical What are three ways people PPE apparatus tools and equipment become contaminated - ✔✔✔Primary contact, secondary contact, and residual contact What are the two types of radiation - ✔✔✔ionizing and non-ionizing What are the types of hazards that cause harm - ✔✔✔Thermal, etiologic, asphyxiation, mechanical, corrosive, poisonous, radiation, and psychological What conditions need to be assessed for a thorough survey of the scene - ✔✔✔Typography, land- use, accessibility, bodies of water, public exposure, storm and sewer dranes, possible ignition sources, adjacent land-use, nature, building information ICS IC-FLOP - ✔✔✔Incident commander, finance, administration, logistics, operations, planning What does an X on a rail car indicate - ✔✔✔Not owned by railroad
