WHMIS Quiz Questions And Answers

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  • 1/18 Questions

    In WHMIS, what is the primary purpose of a safety data sheet (SDS)?

    • To provide detailed operational procedures for machinery.
    • To list only the chemical properties of substances.
    • To provide information on the hazards, handling, storage, and emergency measures of chemicals.
    • To track inventory and usage statistics of chemicals.
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About This Quiz

Welcome to our comprehensive WHMIS Quiz, designed to evaluate and enhance your knowledge of the Workplace Hazardous Materials Information System. This quiz is an essential tool for anyone working with or around hazardous materials in Canada. Whether you're a new employee seeking to understand the basics or a seasoned professional looking to refresh your knowledge, our quiz offers a detailed examination of critical safety information.

Through a series of carefully crafted questions, the quiz covers all aspects of WHMIS, including the classification of hazardous materials, understanding safety data sheets (SDSs), and recognizing various hazard symbols. Each question is developed to challenge your knowledge and ensure you have a firm grasp of necessary safety protocols to navigate workplace hazards effectively.

Taking our WHMIS Quiz will not only prepare you for workplace compliance but also bolster your confidence in handling hazardous materials safely. It's an excellent resource for training, certification, and ensuring that safety standards are both met and maintained in your work environment. Get started today to ensure you are up-to-date with the latest safety practices!

WHMIS Quiz Questions And Answers - Quiz

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  • 2. 

    A worker has been told to clean the floor with liquid from a drum. The supplier label has been torn off. What should he do?  

    • Don’t clean the floor, and let someone else do it.

    • Not work with the liquid; tell his supervisor immediately about the missing label.

    • Clean the floor as he was told to do.

    • Put gloves on “just in case”

    Correct Answer
    A. Not work with the liquid; tell his supervisor immediately about the missing label.
    Explanation
     If the supplier label on a drum containing a liquid has been torn off, it's crucial for the worker to not proceed with using the liquid, as the label contains important safety information including the product identity and hazard warnings. The correct course of action is for the worker to stop and report the missing label to his supervisor immediately. This ensures that all necessary precautions are taken and that the substance is correctly identified before any use, preventing potential accidents or exposure to harmful chemicals.

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  • 3. 

    What does MSDS stand for?

    • Material Sheet for Developed Safety

    • Material Safety Data Sheet

    • Manufacturer's Sheet for Detailed Safety

    • Manufacturer's Safety Description Sheet

    Correct Answer
    A. Material Safety Data Sheet
    Explanation
    MSDS stands for Material Safety Data Sheet. This document provides detailed information about the potential hazards and safety precautions for a specific chemical or product. It includes information on the composition, physical and chemical properties, handling and storage guidelines, emergency procedures, and disposal methods. MSDS is commonly used in workplaces to ensure the safe handling and use of hazardous substances.

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  • 4. 

    What does WHMIS stand for?

    • Workplace Hazardous Materials Information System

    • Workplace and Home Material Inventory Service

    • Workplace Hazardous Materials Identification System

    • Worker Hazardous Materials Information System

    • None of the Above

    Correct Answer
    A. Workplace Hazardous Materials Information System
    Explanation
    WHMIS stands for Workplace Hazardous Materials Information System. It is a Canadian system designed to give employers and workers information about the hazardous materials they may be exposed to at work. WHMIS helps ensure safety by providing details on the use, storage, handling, and emergency procedures related to hazardous materials. The system includes labels on containers, safety data sheets, and worker education programs.

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  • 5. 

    What is the purpose of WHMIS?

    • To identify hazardous materials within the workplace and handle them safely

    • To reduce accidents and health hazards in the workplace

    • To increase safety for everyone in the workplace

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    The purpose of WHMIS (Workplace Hazardous Materials Information System) is comprehensive and includes all of the listed options. It is designed to identify hazardous materials within the workplace and ensure they are handled safely, reduce accidents and health hazards, and increase safety for everyone in the workplace. WHMIS achieves these goals through proper labeling, the provision of safety data sheets, and effective worker training. This system helps to create a safer work environment by informing workers about the risks associated with materials they may encounter and how to properly manage those risks.

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  • 6. 

    When would a workplace label be used?

    • When a controlled product is produced and used on-site

    • After a product has been transferred from its original container

    • If the supplier label is missing or illegible.

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    A workplace label would be used in all of the mentioned scenarios. It is required when a controlled product is produced and used on-site, after a product has been transferred from its original container, and if the supplier label is missing or illegible. In each of these situations, a workplace label ensures that necessary information about the product is clearly displayed for the safety and awareness of employees and others in the workplace.

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  • 7. 

    What should be done if a WHMIS label becomes illegible?

    • Continue using the product while exercising general caution.

    • Replace the label with a new one that is readable.

    • Report the issue but continue using the product.

    • Discard the product immediately without replacing the label.

    Correct Answer
    A. Replace the label with a new one that is readable.
    Explanation
    When a WHMIS label becomes illegible, it is essential to replace it immediately with a new, clear label. Proper labeling is a cornerstone of WHMIS regulations, providing crucial information on the handling and hazards of chemical substances. An unreadable label can lead to misuse or mishandling, posing significant risks to health and safety. Replacing the label ensures continuity of information and maintains safety standards, helping to prevent accidents and ensuring that all personnel are aware of the necessary precautions when dealing with hazardous materials.

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  • 8. 

    Which WHMIS class includes flammable materials?

    • Class B

    • Class D

    • Class E

    • Class G

    Correct Answer
    A. Class B
    Explanation
    WHMIS Class B is designated for flammable materials, which include any substance that can ignite easily under normal conditions. This class is vital for workers to recognize as it encompasses flammable gases, liquids, and solids. Proper identification, handling, and storage of Class B substances are crucial in preventing fires and ensuring workplace safety. Workers trained to recognize and respect the properties of flammable materials contribute to a safer working environment, reducing the likelihood of fire-related incidents.

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  • 9. 

    What type of information does the WHMIS pictogram with a flame over a circle represent?

    • Oxidizing hazards that may cause or intensify a fire.

    • Flammable materials that easily ignite.

    • Explosive materials that may cause blasts or projectiles.

    • Toxic materials that pose immediate toxicity.

    Correct Answer
    A. Oxidizing hazards that may cause or intensify a fire.
    Explanation
    The WHMIS pictogram with a flame over a circle warns of oxidizing hazards. Oxidizers can dramatically increase the rate of a fire by supplying oxygen, making them extremely dangerous in combustible environments. Recognizing this symbol helps prevent potential disasters by enforcing strict storage and handling guidelines that keep oxidizers away from flammable materials. This ensures a safer working environment, reducing the risk of fire outbreaks and promoting safe practices around substances that could otherwise exacerbate fire conditions.

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  • 10. 

    What are the routes of entry for a chemical?

    • Corrosion, inhalation, ingestion, infection

    • Ingestion, explosion, absorption, injection

    • Inhalation, absorption, ingestion, injection

    • Ingestion, retention, dilution, inhalation

    Correct Answer
    A. Inhalation, absorption, ingestion, injection
    Explanation
    The routes of entry for a chemical into the body are inhalation, absorption, ingestion, and injection. Inhalation occurs when chemicals are breathed in through the nose or mouth. Absorption happens when chemicals penetrate through the skin or eyes. Ingestion is when chemicals are swallowed. Injection refers to chemicals entering directly into the bloodstream through a puncture in the skin. Understanding these routes helps in managing and preventing exposure to harmful chemicals.

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  • 11. 

     Which of the following statements is false?  

    • WHMIS applies to all workplaces in Canada

    • WHMIS applies to controlled products only

    • WHMIS training is required only once

    • WHMIS violations can result in fines to the worker and/or the employer

    Correct Answer
    A. WHMIS training is required only once
    Explanation
    The statement that WHMIS training is required only once is false. WHMIS training needs to be updated regularly, not just done once. This is to ensure that all workers are kept up-to-date with any changes in hazardous materials they might encounter, new safety procedures, or any legislative updates. Continuous training helps maintain safety in the workplace by ensuring all workers know how to handle hazardous materials correctly and know what to do in an emergency.

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  • 12. 

    What are the 3 components of WHMIS?

    • Communication, Protection, Disposal

    • Workplace Labels, Supplier Labels, MSDS

    • Risk Assessment, Labels, Protection

    • Labels, MSDS, Worker Training & Education

    Correct Answer
    A. Labels, MSDS, Worker Training & Education
    Explanation
    The three key components of WHMIS (Workplace Hazardous Materials Information System) are:
    Labels: Provide essential information about the hazards of a product and precautions to take when using it.
    Material Safety Data Sheets (MSDS): Provide detailed information about the chemical, including its hazards, safe handling, and emergency measures.
    Worker Training & Education: Ensures that workers understand how to use hazardous materials safely, recognize labels, and access MSDS information.

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  • 13. 

    A Material Safety Data Sheet expires after how many years?

    • 1 year

    • 2 years

    • 3 years

    • 4 years

    • It never expires

    Correct Answer
    A. 3 years
    Explanation
    A Material Safety Data Sheet (MSDS), now more commonly known as a Safety Data Sheet (SDS) under the globally harmonized system, does not have an expiration date. However, it is important for employers to ensure that the SDS is kept up to date. Manufacturers or suppliers should update the SDS whenever new information becomes available about the chemical's hazards or safety information changes. Employers should check regularly for updates to ensure that the most current information is available in the workplace for the safety of all employees.

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  • 14. 

    How would you recognize a supplier label?

    • Hatched border

    • Written only in one language

    • Red in color with black writing

    • Rectangular in shape

    Correct Answer
    A. Hatched border
    Explanation
    A supplier label can be recognized by its hatched border. This means that the label will have a border that is made up of small, diagonal lines. This feature helps to distinguish supplier labels from other types of labels. The other options mentioned in the question, such as being written only in one language, red in color with black writing, and rectangular in shape, may or may not be true for a supplier label, as these characteristics can vary. However, the hatched border is a consistent feature that can be used to identify a supplier label.

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  • 15. 

    An MSDS should be consulted (check all that apply):

    • Occasionally to review hazard and precautionary information

    • Only in emergency situations

    • Only by safety professionals

    • Before you use a controlled product

    Correct Answer(s)
    A. Occasionally to review hazard and precautionary information
    A. Before you use a controlled product
    Explanation
    An MSDS, or Material Safety Data Sheet, should be consulted before using a controlled product to ensure you are aware of the hazards and the safety precautions necessary for handling the product safely. Additionally, it is beneficial to review the MSDS occasionally, even when not in immediate use, to refresh on hazard and precautionary information. This ongoing familiarity helps maintain a safe working environment. MSDSs are not only for emergency situations or exclusive to safety professionals; they are a critical resource for all workers who handle hazardous materials.

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  • 16. 

    What three items should be included on a workplace label?

    • Product identifier, precautionary measures, MSDS reference

    • Product identifier, hazard symbol, MSDS reference

    • Hazard symbol, first aid measures, warning label

    • Risk phrases, first aid measures, supplier identifier

    Correct Answer
    A. Product identifier, precautionary measures, MSDS reference
    Explanation
     A workplace label should include a product identifier, which clearly names the chemical or product; precautionary measures, which detail the safety precautions and procedures for handling, storage, and disposal of the product; and a reference to the Material Safety Data Sheet (MSDS), which provides comprehensive information about the chemical. These components ensure that workers have immediate and clear information necessary to safely manage and work with hazardous materials.

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  • 17. 

    What information would you expect to find on a MSDS? Check all that apply.

    • Product Information

    • Hazardous Ingredients

    • Physical Data

    • Responsibilities

    • Fire and Explosion Data

    • Reactivity Data

    • Toxicological Properties

    • Preventative Measures

    • First Aid Measures

    • Shift Schedules

    • Preparation Information

    Correct Answer(s)
    A. Product Information
    A. Hazardous Ingredients
    A. Physical Data
    A. Fire and Explosion Data
    A. Reactivity Data
    A. Toxicological Properties
    A. Preventative Measures
    A. First Aid Measures
    A. Preparation Information
    Explanation
    An MSDS (Material Safety Data Sheet) is a document that provides information about the potential hazards of a chemical substance or product. It includes product information such as the product name, manufacturer, and intended use. Hazardous ingredients are listed, along with their concentration and potential health effects. Physical data, such as the appearance, odor, and boiling point, are also provided. Fire and explosion data describe the flammability and explosive properties of the substance. Reactivity data indicates how the substance may react with other chemicals or conditions. Toxicological properties describe the potential health effects and exposure limits. Preventative measures suggest ways to minimize exposure and handle the substance safely. First aid measures provide instructions for treating exposure or accidents. Preparation information explains how to properly store, handle, and dispose of the substance. Shift schedules are not relevant to an MSDS.

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  • 18. 

    Select the correct statements.

    • The MSDS sheets can be kept in an office and locked up.

    • All containers of controlled products should have WHMIS labels.

    • If I pour some chemical from a large container into a smaller container, the smaller container will need a workplace label.

    • To create a workplace label, it’s adequate to write the name of the product on the bottle and the initials of the employee who decanted it.

    • If my department orders a new WHMIS controlled product, Safety needs to be notified.

    • It is good practice to store containers of different WHMIS classes separately.

    • After this quiz, I’m fully WHMIS trained and can handle any controlled product safely

    Correct Answer(s)
    A. All containers of controlled products should have WHMIS labels.
    A. If I pour some chemical from a large container into a smaller container, the smaller container will need a workplace label.
    A. If my department orders a new WHMIS controlled product, Safety needs to be notified.
    A. It is good practice to store containers of different WHMIS classes separately.
    Explanation
    MSDS sheets should never be locked up. They should be accessible to employees that work with the controlled product. The quiz and video are part of WHMIS education but hands-on training still needs to be performed.

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Quiz Review Timeline (Updated): Aug 14, 2024 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Aug 14, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 22, 2013
    Quiz Created by
    STEMCELL_Safety
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