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HAZMAT Operations, Top Exam Questions and answers, Graded A+
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HAZMAT Operations, Top Exam Questions and answers, Graded A+ Absorption (Routes of entry) - -The process by which the hazardous materials travel through body tissues until they reach the bloodstream. Acid - -A material with a pH value less than 7. Acute health affects - -A health problem...

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  • July 7, 2023
  • 22
  • 2022/2023
  • Exam (elaborations)
  • Questions & answers

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HAZMAT Operations, Top Exam
Questions and answers, Graded A+

Absorption (Routes of entry) - ✔✔-The process by which the hazardous materials travel through body
tissues until they reach the bloodstream.



Acid - ✔✔-A material with a pH value less than 7.



Acute health affects - ✔✔-A health problem caused by relatively short exposure periods to a harmful
substance that produces observable conditions such as eye irritation, coughing, dizziness, and skin
burns.



Alpha Particle - ✔✔-A positively charged particle emitted by certain radioactive materials, identical to
the nucleus of a helium atom. (NFPA 801) Can be stopped by fabric



NFPA 801 - ✔✔-Standard for Fire Protection for Facilities Handling Radioactive Materials.



Asphyxiant - ✔✔-A materials that causes the victim to suffocate.



Base - ✔✔-A material with a pH value greater than 7



Beta Particle - ✔✔-An elementary particle, emitted from a nucleus during radioactive decay, with a
signle electrical charge and a mass equal to 1/1837 that of a proton (NFPA 801). Can be stopped by
fabric & door.



Blister Agent - ✔✔-A chemical that causes the skin to blister.



Blood agent - ✔✔-A chemical that, when absorbed by the body, interferes with the transfer of oxygen
from the blood to the cells.

,Boiling point - ✔✔-The temperature at which a liquid eventually turns to a gas.



Carcinogen - ✔✔-A cancer-causing substance



Chemical change - ✔✔-The ability of a chemical to undergo an alteration in its chemical makeup, usually
accompanied by a release of some fort of energy.



Chlorine - ✔✔-A yellowish gas that is about 2.5 heavier than air and slightly water-soluble. Chlorine has
many industrial uses but also damages the lungs when inhaled; thus, a choking agent.



Choking agent - ✔✔-A chemical designed to inhibit breathing and typically intended to incapacitate
rather than kill.



Chronic health hazard - ✔✔-a health problem occurring after a long-term exposure of a substance.



Contamination - ✔✔-The process of transferring a hazardous material from its source to people,
animals, the environment, or equipment, all of which can act as carriers for the material.



Convulsant - ✔✔-A chemical capable of causing convulsions or seizures when absorbed by the body.



Corrosivity - ✔✔-The ability of a material to cause damage (on contact) to skin, eyes, or other parts on
the body.



Expansion Ratio - ✔✔-the ratio of the volume increase that occurs when a liquid material changes to a
gas.



Exposure - ✔✔-The process by which people, animals, the environment, and equipment are subjected
to or come in contact with a hazardous material.

, Fire Point - ✔✔-The lowest temperature at which a liquid will ignite and achieve sustained burning when
exposed to an ignition source. (NFPA 704)



Flammable Range - ✔✔-The range of concentrations between the LFL and UFL. (NFPA 68)`



Flammable Vapor - ✔✔-A concentration of constituent in air that exceeds 10% of its LFL (NFPA 115).



Flash point - ✔✔-The minimum temperature at which a liquid fuel gives off sufficient vapor that, when
an ignition source is present, will result in a flash fire.



Gamma Rays - ✔✔-a type of radiation that can travel significant distances, penetrating most materials
and passing through the body. The most destructive type of radiation to the human body.



Hazard - ✔✔-Capable of causing harm.



HEPA filter - ✔✔-High Efficiency Particulate Air filter; a filter capable of catching particles down to 0.3-
micron size - much smaller than a typical dust or alpha radiation particle.



Ignition (autoignition) temperature - ✔✔-The minimum temperature at which a fuel, when heated, will
ignite in air and continue to burn.



Ingestion - ✔✔-Exposure to a hazardous material by swallowing it.



Inhalation - ✔✔-Exposure to a hazardous material by breathing it into the lungs.



Injection - ✔✔-Exposure to a hazardous material by entering cuts or other breaches in the skin.



Ionizing radiation - ✔✔-Radiation of sufficient energy to alter the atomic structure of materials or cells
with which it interacts, including electromagnetic radiation such as X-rays, alpha particle, beta particles,
gamma rays, and microwaves.

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