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

Which blend is covered by the ASTM D7467 specification?

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

What does 'B5' indicate?

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

How are blends of biodiesel and petroleum diesel typically mixed?

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

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

<p>B5 (D)</p> Signup and view all the answers

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

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

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