Mastering Coal Classification and Combustion
11 Questions
2 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which coal classification has the highest percentage of volatile matter?

  • Bituminous
  • Anthracite
  • Lignite (correct)
  • Sub-bituminous
  • Which coal classification has the highest carbon content?

  • Sub-bituminous
  • Anthracite (correct)
  • Bituminous
  • Lignite
  • Which coal classification is the most suitable fuel for utility boilers?

  • Sub-bituminous
  • Anthracite
  • Bituminous (correct)
  • Lignite
  • Which of the following equations represents the combustion of hydrogen correctly?

    <p>2H2 + O2 -&gt; 2H2O</p> Signup and view all the answers

    What is the mass of dry flue gas produced per kilogram of fuel in Example 15?

    <p>16.44 kg</p> Signup and view all the answers

    What is the actual air supplied per kilogram of fuel in Example 15?

    <p>15.98 kg</p> Signup and view all the answers

    What is the stoichiometric air required per kilogram of fuel in Example 15?

    <p>10.65 kg</p> Signup and view all the answers

    Which class of coal has the highest calorific value?

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

    Which class of coal is not well suited for stoker firing?

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

    What is the moisture content of lignite?

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

    What is the combustion equation for carbon?

    <p>carbon + oxygen -&gt; carbon dioxide</p> Signup and view all the answers

    More Like This

    Coal Classification and Properties
    40 questions
    Stationary Power and Coal Use Quiz
    28 questions
    Coal Seam Gassiness Classification
    13 questions

    Coal Seam Gassiness Classification

    BeautifulSerpentine2890 avatar
    BeautifulSerpentine2890
    Use Quizgecko on...
    Browser
    Browser