Fuels Quiz

What is the approximate chemical formula for coal?

• C120H90O8

• C140H100O7

• C135H96O9NS

• C100H80O10

What is the carbon content of coal by mass?

• 80%

• 85%

• 90%

• 75%

Which type of coal has the highest energy content?

• Subbituminous

• Anthracite

• Lignite

• Bituminous

What is the major component of petroleum?

• Kerosene

• Natural Gas

• Diesel

• Gasoline

What is the primary advantage of petroleum over coal?

• More complex mixture

• Higher carbon content

• Easier to pump

• Lower cost

What process is used to separate components of petroleum?

• Distillation

• Filtration

• Evaporation

• Condensation

What is the octane rating of isooctane?

• 100

• 90

• 80

• 110

Which of the following is an oxygenated gasoline?

• Hexane

• Toluene

• Benzene

• MTBE

What is the purpose of adding MTBE to gasoline?

• To lower boiling point

• To enhance color

• To reduce carbon monoxide

• To increase viscosity

What is the energy content of lignite?

• 16.2 kJ/g

• 24.0 kJ/g

• 30.5 kJ/g

• 13.0 kJ/g