Doughnut Garage Gasoline

What is gasoline made from?

• Natural Gas

• Biomass

• Petroleum Oil

• Coal

What does gasoline combine with to create power in an engine?

• Carbon Monoxide

• Hydrogen

• Oxygen

• Nitrogen

What are the by-products of gasoline combustion in an engine?

• Oxygen and Hydrogen

• Carbon Dioxide and Water

• Methane and Nitrous Oxide

• Sulfur Dioxide and Lead

Why was lead originally added to gasoline?

• To improve the smell

• To increase fuel efficiency

• To reduce the cost of gasoline

• To make the gas more stable at high temperatures

What does the octane rating at the pump indicate?

• The percentage of ethanol in the gasoline

• The amount of lead in the gasoline

• The fuel's resistance to pre-igniting

• The viscosity of the gasoline

What is the consequence of using gasoline with a low octane rating in a high-performance engine?

• Longer engine lifespan

• Reduced carbon emissions

• Risk of engine pinging or pre-ignition

• Increased fuel efficiency

What is the primary reason for the development of unleaded gasoline?

• To improve engine performance

• To reduce environmental pollution

• To prevent damage to the brain

• To lower the cost of gasoline production

What does the presence of water in the tailpipe emissions indicate?

• A by-product of the combustion process

• The car is using too much gasoline

• Incomplete combustion of fuel

• A leak in the cooling system

Why should you not attempt the experiment of igniting gasoline in a jug at home?

• It's dangerous

• It's illegal

• It's considered pollution

• It's a waste of gasoline

What is the purpose of adding ethanol to gasoline?

• To increase the octane rating

• To make it safer to handle

• To decrease its environmental impact

• To reduce its cost