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3A2E3 C14 Obj 6
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3A2E3 C14 Obj 6

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Questions and Answers

Which of the following is NOT an example of a confined space?

  • Boilers
  • Tunnels
  • Cargo holds in ships
  • Storage tanks (correct)

    • What must be completed and signed by a supervisor before a worker enters a confined space?

  • A hazard assessment
  • A list of isolation points
  • A confined space entry permit (correct)
  • A confined space entry program

    • What must be visually checked or verified before a worker enters a confined space?

  • Gas/fume extractor
  • Pre-entry testing and inspection
  • Presence of a confined space entry sign
  • Pressure rating of blanks or blinds (correct)

    • Which of the following best defines a confined space?

    <p>An area not designed for continuous human occupancy</p> Signup and view all the answers

    What is required to protect workers from dangerous substances in confined spaces?

    <p>Disconnecting, blanking, or blinding piping</p> Signup and view all the answers

    What is a spectacle blank used for?

    <p>Providing a visual indication of a blank</p> Signup and view all the answers

    Which of the following is NOT a requirement for a confined space entry permit?

    <p>Emergency plan</p> Signup and view all the answers

    Who should complete the confined space entry permit?

    <p>Someone fully trained and experienced in confined space work</p> Signup and view all the answers

    What information should be included in a confined space entry permit?

    <p>The possible hazards that may be encountered inside and outside the space</p> Signup and view all the answers

    Which type of gas is commonly used for inerting a confined space to remove the hazard of fire or explosion?

    <p>Nitrogen</p> Signup and view all the answers

    What type of ventilation must be continuously used while a worker is inside a confined space, except when intentionally inerted?

    <p>Natural ventilation</p> Signup and view all the answers

    What is the purpose of a standby person in a confined space?

    <p>To maintain a record of workers inside the space</p> Signup and view all the answers

    Which of the following is NOT a hazard associated with ground disturbance, excavation, and trenching?

    <p>Formation of a toxic or explosive atmosphere</p> Signup and view all the answers

    What is the purpose of shoring in an excavation or trench?

    <p>To support the walls or sides</p> Signup and view all the answers

    What is the definition of a trench according to the text?

    <p>An excavation that is less than 3.7 m wide at the bottom, over 1.2 m deep, and of any length</p> Signup and view all the answers

    Which of the following is a characteristic of a confined space?

    <p>It may complicate emergency response services.</p> Signup and view all the answers

    What must be done to protect workers from dangerous substances in pipes or conduits leading to a confined space?

    <p>Piping must be disconnected, blanked, or blinded.</p> Signup and view all the answers

    What is the purpose of a blank in relation to pipes in a confined space?

    <p>To block the end of a pipe.</p> Signup and view all the answers

    Which type of equipment must a worker wear when entering a confined space that contains a high-hazard atmosphere?

    <p>Harness</p> Signup and view all the answers

    What must be carried or be within arms reach for a worker entering a confined space that contains a high-hazard atmosphere?

    <p>Emergency escape respirator</p> Signup and view all the answers

    What type of equipment must be used to protect electrical tools and equipment in a confined space where flammable or explosive gases, vapours, or liquids are present?

    <p>Ground fault circuit interrupter (GFCI)</p> Signup and view all the answers

    Which of the following is a hazard associated with ground disturbance, excavation, and trenching?

    <p>All of the above</p> Signup and view all the answers

    What is the purpose of shoring in an excavation or trench?

    <p>To support the walls or sides</p> Signup and view all the answers

    What is the definition of a trench according to the text?

    <p>All of the above</p> Signup and view all the answers

    Which of the following is a requirement for a worker to enter a confined space?

    <p>Completion of a confined space entry permit</p> Signup and view all the answers

    What must be done to adjacent piping containing a harmful substance before a worker enters a confined space?

    <p>Controlled by disconnecting it, isolating it using blanks or blinds, or using a double block and bleed system</p> Signup and view all the answers

    What must be visually checked or verified before a worker enters a confined space?

    <p>Isolation points</p> Signup and view all the answers

    Which of the following is NOT a requirement for a confined space entry permit?

    <p>Respiratory protection</p> Signup and view all the answers

    What information should be included in a confined space entry permit?

    <p>All of the above</p> Signup and view all the answers

    What is the purpose of a confined space entry procedure?

    <p>To document the completion of a hazard assessment</p> Signup and view all the answers

    What must be done to adjacent piping containing a harmful substance before a worker enters a confined space?

    <p>All of the above</p> Signup and view all the answers

    What is the purpose of pre-entry testing and inspection in a confined space?

    <p>To ensure clean, respirable air in the confined space</p> Signup and view all the answers

    What must be completed and signed by a responsible supervisor before a worker enters a confined space?

    <p>A confined space entry permit</p> Signup and view all the answers

    Which of the following is NOT a requirement for a confined space entry permit?

    <p>The permit must be completed by the worker entering the confined space.</p> Signup and view all the answers

    What is the purpose of shoring in an excavation or trench?

    <p>To prevent the collapse of the excavation or trench.</p> Signup and view all the answers

    What must be done to adjacent piping containing a harmful substance before a worker enters a confined space?

    <p>The piping must be disconnected, blanked, or blinded.</p> Signup and view all the answers

    Which of the following is NOT a duty of a standby person in a confined space?

    <p>Performing rescue operations in case of emergency</p> Signup and view all the answers

    What is the purpose of a lifeline in a confined space?

    <p>To provide a means of escape for the worker</p> Signup and view all the answers

    What type of equipment must workers carry or have within arms reach when entering a confined space with a high-hazard atmosphere?

    <p>Emergency escape respirator</p> Signup and view all the answers

    What is the purpose of a confined space entry permit?

    <p>To document the completion of a hazard assessment for each confined space entry</p> Signup and view all the answers

    What information should be included in a confined space entry permit?

    <p>All of the above</p> Signup and view all the answers

    Who should complete the confined space entry permit?

    <p>A fully trained and experienced confined space worker</p> Signup and view all the answers

    What is the definition of ground disturbance according to the text?

    <p>Any work, operation, or activity that results in a disturbance or displacement of the earth to a depth greater than 30 cm</p> Signup and view all the answers

    What is the purpose of shoring in an excavation or trench?

    <p>To support the walls or sides of the excavation or trench</p> Signup and view all the answers

    What is the purpose of a confined space entry procedure?

    <p>To identify hazards and controls to mitigate them in the confined space</p> Signup and view all the answers

    Study Notes

    Confined Space Entry: Key Facts and Procedures

    • Confined space is an enclosed or partially enclosed area not designed for continuous human occupancy.
    • Confined spaces have limited means of entry or exit, making first aid, evacuation, and rescue difficult.
    • Workers must be protected from dangerous substances discharged from pipes leading to confined spaces.
    • Examples of confined spaces include manholes, sewers, storage tanks, tunnels, and cargo holds in ships.
    • Confined space entry requires a written program with assigned responsibilities and hazard assessments.
    • A confined space entry permit must be completed and signed by a supervisor before entry.
    • Lockout and isolation procedures must be followed to control adjacent piping with harmful substances.
    • Pre-entry testing and inspection are required to verify the effectiveness of precautions and safety.
    • Cleaning, purging, venting, or inerting may be necessary to ensure a safe atmosphere in the confined space.
    • Ventilation is necessary to maintain safe air levels in the confined space, either through natural or mechanical means.
    • A standby person must monitor the activities and well-being of workers in the confined space.
    • Personal protective equipment (PPE) and lifelines/harnesses must be provided for worker safety.

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    Related Documents

    3A2E3 C14 Obj 6.pdf

    Description

    Test your knowledge on controlling hazards in confined spaces with this quiz. Learn about pre-entry testing, cleaning, purging, venting, and inerting techniques to ensure a safe working environment.

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