HAZWOPER Refresher Quiz – HAZMAT Safety & Procedures

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          Time, distance, & shielding are safety tactics for this type of event

    • Bad relationships
    • Music concerts
    • Radiation
    • Vehicle accidents
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About This Quiz


This HAZWOPER Refresher Quiz is designed to reinforce critical knowledge for professionals handling hazardous materials (HAZMAT). It covers key safety protocols including time, distance, and shielding, types of specialized and non-bulk containers, radiation response, and recognizing signs of chemical exposure.

Ideal for workers in emergency response, waste operations, transportation, and industrial safety, this quiz supports annual refresher training required under OSHA’s HAZWOPER standard (29 CFR 1910.120). Use it to evaluate your retention, boost situational awareness, and maintain workplace compliance.

Disclaimer: This quiz is intended for educational review only and does not replace formal OSHA certification or instructor-led HAZWOPER training.

HAZWOPER Refresher Quiz HAZMAT Safety & Procedures - Quiz

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  • 2. 

          Specialized container include

    • High pressure containers

    • Cryogenic cargo tanks or cylinders

    • Casks for radioactive material

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    The correct answer is "All of the above". Specialized containers include high pressure containers, cryogenic cargo tanks or cylinders, and casks for radioactive material. This means that all of these types of containers are considered specialized containers.

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  • 3. 

          Non-bulk packages include Carboys, Cylinders, and

    • Tankers

    • Ships

    • Drums

    • Trailers

    Correct Answer
    A. Drums
    Explanation
    Non-bulk packages refer to smaller containers used for transportation and storage of goods. Carboys and cylinders are commonly used for liquids, while drums are used for both liquids and solids. Tankers and ships are used for bulk transportation of large quantities of goods. Therefore, drums are the correct answer as they are a type of non-bulk package commonly used for transportation and storage.

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  • 4. 

         Considerations for dealing with Cryogenic spills are

    • Noise abatement

    • Odor considerations & control

    • Both a & b

    • Rapid vaporization & expansion ratios

    Correct Answer
    A. Rapid vaporization & expansion ratios
    Explanation
    The correct answer is "Rapid vaporization & expansion ratios". When dealing with cryogenic spills, it is important to consider the rapid vaporization and expansion ratios of the cryogenic substance. Cryogenic substances, such as liquid nitrogen or helium, have extremely low temperatures and can rapidly vaporize when exposed to the atmosphere. This can lead to a significant increase in volume and pressure, posing potential hazards. Therefore, understanding and managing the rapid vaporization and expansion ratios is crucial in safely handling cryogenic spills.

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  • 5. 

         Signs and symptoms of exposure to hazardous materials maybe

    • Unknown or unfounded

    • Short or long

    • Acute or chronic

    • Recorded or unrecorded

    Correct Answer
    A. Acute or chronic
    Explanation
    The signs and symptoms of exposure to hazardous materials can be either acute or chronic. Acute symptoms occur immediately or shortly after exposure and can include nausea, dizziness, and difficulty breathing. Chronic symptoms, on the other hand, develop over a longer period of time and can include cancer, organ damage, and respiratory problems. It is important to recognize and address both acute and chronic symptoms of exposure to ensure the safety and well-being of individuals.

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  • 6. 

          Damage to containers include cracks, scores, dents, and

    • Rolls

    • Gouges

    • Bangs

    • Pings

    Correct Answer
    A. Gouges
    Explanation
    The correct answer is "Gouges" because damage to containers can include cracks, scores, dents, and gouges. Gouges refer to deep cuts or grooves on the surface of the container, which can compromise its structural integrity and potentially lead to leakage or other issues.

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  • 7. 

          Considerations for selecting proper chemical-protective clothing are Chemical compatibility, types of hazards, break through time, and

    • Manufactures recommendation

    • Style

    • Flexibility

    • Stamina

    Correct Answer
    A. Manufactures recommendation
    Explanation
    The manufacturer's recommendation is an important consideration when selecting proper chemical-protective clothing. Manufacturers have extensive knowledge about their products and can provide guidance on the specific chemicals and hazards that the clothing is designed to protect against. They can also provide information on the appropriate break through time, which is the time it takes for a chemical to penetrate the clothing. Therefore, following the manufacturer's recommendation ensures that the clothing will provide the necessary protection and minimize the risk of exposure to hazardous substances.

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  • 8. 

         High pressure tube cars have

    • Special firefighting system on board

    • 30 horizontal stainless steel cylinders

    • 30 horizontal aluminum cylinders

    • 30 horizontal casks

    Correct Answer
    A. 30 horizontal stainless steel cylinders
    Explanation
    High pressure tube cars have 30 horizontal stainless steel cylinders. These cylinders are likely used to store compressed gases or liquids that require high pressure for transportation. Stainless steel is a suitable material for these cylinders as it is strong, corrosion-resistant, and can withstand high pressure. The use of stainless steel cylinders ensures the safety and integrity of the contents during transportation.

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  • 9. 

          Cryogenic cargo tanks or cylinders contain materials that are liquefied at

    • -155 degrees F

    • -100 degrees F

    • 155 degree F

    • D. None of the above

    Correct Answer
    A. -155 degrees F
    Explanation
    Cryogenic cargo tanks or cylinders are designed to store and transport materials that are liquefied at extremely low temperatures. The correct answer is -155 degrees F, as this temperature is within the range of cryogenic temperatures and is commonly used for the storage of liquefied gases such as nitrogen, oxygen, and argon.

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  • 10. 

          Liquid pipelines may carry

    • Different products through a single line

    • Per DOT can only carry one product

    • Only follow major highways

    • Both a & c

    Correct Answer
    A. Different products through a single line
    Explanation
    Liquid pipelines are capable of carrying different products through a single line. This means that multiple types of liquids can be transported simultaneously in the same pipeline, which increases efficiency and reduces the need for separate pipelines for each product. This allows for more cost-effective transportation of various liquids, such as oil, gas, and chemicals, through a single pipeline network. Additionally, it offers flexibility in terms of product transportation and storage, as different products can be easily switched and transported through the same pipeline.

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Quiz Review Timeline (Updated): Jun 26, 2025 +

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  • Current Version
  • Jun 26, 2025
    Quiz Edited by
    ProProfs Editorial Team
  • Sep 09, 2009
    Quiz Created by
    Higbee
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