Understanding Gasoline and Diesel Engines

What is a key difference between gasoline and diesel engines?

• A) Diesel engines use spark plugs

• B) Gasoline engines use glow plugs

• C) Diesel engines use compressed air to ignite the fuel

• D) Gasoline engines have a higher compression ratio.

Fill in the blank: Diesel engines have a higher _______ compared to gasoline engines.

• fuel efficiency

• compression ratio

• maintenance cost

• pollution level

Which type of engine requires less maintenance?

• Gasoline engine

• Diesel engine

• Both require the same

• None of the above

Fill in the blank: Biodiesel is considered a _______ fuel option.

• less efficient

• sustainable

• non-renewable

• polluting

What is used in diesel engines to heat up the air?

• Spark plugs

• Fuel injection pump

• Precombustion chambers and glow plugs

• Carburetor

Fill in the blank: New clean diesel is much less _______ than traditional diesel.

• efficient

• polluting

• expensive

• durable

Which of the following is true about diesel engines?

• They burn cleaner than gasoline

• They require more maintenance

• They are more durable

• They have a lower compression ratio.

Fill in the blank: Diesel engines use a _______ to force fuel into the chamber.

• carburetor

• fuel injection pump

• spark plug

• glow plug

What reputation does diesel have according to the text?

• Clean

• Polluting

• Efficient

• Cheap

Fill in the blank: Diesel engines are known for their _______ compared to gasoline engines.

• higher maintenance

• lower durability

• better fuel economy

• higher pollution