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 (A)</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 (D)</p> Signup and view all the answers

What particle size is most dangerous for the lungs?

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

How can dust be taken into the body?

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

What action does inhalation of dust lead to?

<p>Respiratory disorders (D)</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 (B)</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 (C)</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 (B)</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 (C)</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 (B)</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 (B)</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 (A)</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 (A)</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 (A)</p> Signup and view all the answers

What particle size is most dangerous for the lungs?

<p>0.2 - 5 μm diameter (A)</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 (B)</p> Signup and view all the answers

How can dust be taken into the body?

<p>Ingestion, skin absorption, inhalation (C)</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 (A)</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 (A)</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 (A)</p> Signup and view all the answers

What action does inhalation of dust lead to?

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

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