Dust Control in Materials Handling Quiz - ENGR 3307
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Questions and Answers

What is the principal motivation for the control of dust emissions mentioned in the text?

  • Economic, environment, health, and safety factors (correct)
  • Health and safety factors only
  • Environmental factors only
  • Economic factors only

    • What has become of prime importance since the Health and Safety at Work Act became law?

  • Optimization of bulk handling systems
  • Avoidance of excessive environmental pollution (correct)
  • Maximizing product recovery
  • Economic considerations

    • What must be done when the product concerned is potentially dangerous, according to the text?

  • The product should be handled in smaller quantities
  • Extreme measures must be taken to prevent its escape from the plant (correct)
  • Additional ventilation systems should be installed
  • Regular safety inspections should be conducted

    • What are the hazards associated with the release of airborne dust, as mentioned in the text?

    <p>Economic, environmental, and health hazards</p> Signup and view all the answers

    What are the three types of hazard associated with the emission of dust?

    <p>Respiratory effects, Skin and eye effects, Fire and explosion</p> Signup and view all the answers

    What particle size is most dangerous for the lungs?

    <p>0.2 - 5 μm diameter</p> Signup and view all the answers

    How can dust be taken into the body?

    <p>Ingestion, Skin absorption, Inhalation</p> Signup and view all the answers

    What action does inhalation of dust lead to?

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

    What happens to relatively large particles in the respiratory system?

    <p>They will usually be carried back to the mouth by ciliary action</p> Signup and view all the answers

    What kind of dust can cause allergic skin reactions?

    <p>Powders containing metals such as chrome, nickel or cobalt</p> Signup and view all the answers

    What is the size of the smallest particle visible to the naked eye?

    <p>50-100 μm in diameter</p> Signup and view all the answers

    What is the reliable indication of the presence of dangerous invisible dust?

    <p>The existence of visible dust</p> Signup and view all the answers

    What is the main concern for designers and operators of bulk handling systems in relation to dust emissions?

    <p>Economic factors, environment, health, and safety</p> Signup and view all the answers

    What has become of prime importance since the Health and Safety at Work Act became law?

    <p>Avoidance of excessive environmental pollution</p> Signup and view all the answers

    What is the principal motivation for the control of dust emissions mentioned in the text?

    <p>Economic factors, environment, health, and safety</p> Signup and view all the answers

    What does the handling of a powder or granular product in bulk involve, according to the text?

    <p>Many individual operations which could result in the generation of dust</p> Signup and view all the answers

    What are the three types of hazard associated with the emission of dust?

    <p>Respiratory effects, skin and eye effects, fire and explosion</p> Signup and view all the answers

    What particle size is most dangerous for the lungs?

    <p>0.2 - 5 μm diameter</p> Signup and view all the answers

    What is the reliable indication of the presence of dangerous invisible dust?

    <p>The existence of visible dust</p> Signup and view all the answers

    How can dust be taken into the body?

    <p>Ingestion, skin absorption, inhalation</p> Signup and view all the answers

    What happens to relatively large particles in the respiratory system?

    <p>They will usually be carried back to the mouth by ciliary action</p> Signup and view all the answers

    What are the diseases of the skin frequently caused by?

    <p>Powders containing metals such as chrome, nickel, or cobalt</p> Signup and view all the answers

    What is the principal motivation for the control of dust emissions mentioned in the text?

    <p>To prevent fire and explosion</p> Signup and view all the answers

    What action does inhalation of dust lead to?

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

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