Biodiesel Quiz
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Questions and Answers

What does the term 'B100' indicate?

  • A blend with 100% biodiesel and 0% diesel fuel (correct)
  • A blend with 95% biodiesel and 5% diesel fuel
  • A blend with 10% biodiesel and 90% diesel fuel
  • A blend with 50% biodiesel and 50% diesel fuel
  • How does ASTM define biodiesel?

  • As a mixture of short-chain esters from non-renewable resources
  • As a mixture of long-chain monoalkylic esters from fatty acids obtained from renewable resources (correct)
  • As a blend of synthetic hydrocarbons and alcohols
  • As a mixture of long-chain esters from non-renewable resources
  • Why is the continued use of petroleum-sourced fuels considered unsustainable?

  • Due to the abundance of petroleum resources
  • Due to the decreasing global energy requirements
  • Due to the decline in the use of diesel engines
  • Due to depleting supplies and increasing demand (correct)
  • What is the primary source of energy that powers modern civilization?

    <p>Fossil fuels</p> Signup and view all the answers

    What does the 'B' factor indicate in a fuel mix?

    <p>The amount of biodiesel in the fuel mix</p> Signup and view all the answers

    Which blend is covered by the ASTM D7467 specification?

    <p>B6 to B20</p> Signup and view all the answers

    What does 'B5' indicate?

    <p>A blend with 5% biodiesel and 95% diesel fuel</p> Signup and view all the answers

    How are blends of biodiesel and petroleum diesel typically mixed?

    <p>Mixing in tanks at manufacturing point</p> Signup and view all the answers

    What is the label for a fuel mix containing 95% petrodiesel and 5% biodiesel?

    <p>B5</p> Signup and view all the answers

    What engine modifications may be required to use pure biodiesel (B100)?

    <p>Certain engine modifications</p> Signup and view all the answers

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