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Questions and Answers
Which of the following fuel has the highest hydrogen content and lowest sulphur content?
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?
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?
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?
Which of the following is not required for determining the economic thickness of a steam line?
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Which of the following has the lowest stoichiometric oxygen demand (kg/kg of fuel)?
Which of the following has the lowest stoichiometric oxygen demand (kg/kg of fuel)?
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