Combustion and Fuel Properties Quiz
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Questions and Answers

Which of the following fuel has the highest hydrogen content and lowest sulphur content?

  • Coal
  • LSHS
  • Natural gas (correct)
  • Fuel oil

    • Which of the following salts causes temporary hardness in water?

  • Calcium sulphate
  • Calcium nitrate
  • Calcium bicarbonate (correct)
  • Calcium chloride

    • Which of the following requires the largest amount of oxygen/kg of substance for combustion?

  • Sulphur
  • Carbon
  • Nitrogen
  • Hydrogen (correct)

    • Which of the following is not required for determining the economic thickness of a steam line?

    <p>Enthalpy of steam</p> Signup and view all the answers

    Which of the following has the lowest stoichiometric oxygen demand (kg/kg of fuel)?

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

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