Fuel Oil Properties and Combustion Quiz
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Questions and Answers

Which type of fuel oil is specified mainly by viscosity?

  • Grade No. 2
  • Grade No. 4
  • Grade No. 1
  • Grade No. 6 (correct)

    • What is the pour point of Grade No. 2 fuel oil?

  • Below-18°C
  • -1°C (correct)
  • 18°C
  • -12°C

    • Which grade of fuel oil is a liquid residue that remains after the more volatile petroleum constituents are removed?

  • Grade No. 1
  • Grade No. 2
  • Grade No. 4 (correct)
  • Grade No. 6

    • Which temperature is used to measure the specific gravity of fuel oils?

    <p>15.5°C</p> Signup and view all the answers

    What is the API gravity of No. 6 fuel oil?

    <p>None of the above</p> Signup and view all the answers

    What is the heating value of No. 4 fuel oil?

    <p>None of the above</p> Signup and view all the answers

    What is the pour point of a fuel oil?

    <p>The lowest temperature at which the oil will flow</p> Signup and view all the answers

    Based on the given information, what is the theoretical oxygen required for combustion per kilogram of fuel oil?

    <p>3.40 kg</p> Signup and view all the answers

    What is the mass of dry flue gas produced per kilogram of fuel oil if 50% excess air is supplied?

    <p>21.91 kg</p> Signup and view all the answers

    What is the mass of air supplied per kilogram of fuel oil if 50% excess air is supplied?

    <p>22.17 kg</p> Signup and view all the answers

    What is the mass of CO2 produced per kilogram of fuel oil?

    <p>3.12 kg</p> Signup and view all the answers

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