Spark-Ignition Engine

What is the main source of ignition in a spark-ignition engine?

• Heat generated from compression

• External spark from a spark plug

• Injection of fuel

• Friction from the piston

What are spark-ignition engines commonly referred to as in North America?

• Hybrid engines

• Electric engines

• Gasoline engines

• Diesel engines

Which of the following is not a fuel that spark-ignition engines can run on?

• Hydrogen

• Diesel

• Bioethanol

• Methanol

What is the working cycle of a four-stroke spark-ignition engine?

• Suction, expansion, power, exhaust

• Suction, compression, power, exhaust

• Intake, expansion, power, exhaust

• Intake, compression, power, exhaust

What is the other name for spark-ignition engines in Britain and the rest of the world?

• Petrol engines

• Electric engines

• Gasoline engines

• Diesel engines

Which type of engine is a spark-ignition engine?

• Otto cycle engine

• Diesel cycle engine

• Rankine cycle engine

• Stirling cycle engine

What is the heat source for initiating the combustion process in compression-ignition engines?

• Injection of fuel

• Friction from the piston

• External spark from a spark plug

• Heat generated from compression

Which of the following is a common alternative fuel for spark-ignition engines?

• Compressed natural gas (CNG)

• Heavy fuel oil

• Jet fuel

• Kerosene

What is the working cycle of both spark-ignition and compression-ignition engines?

• Six-stroke

• Eight-stroke

• Four-stroke

• Two-stroke

What is the main difference between spark-ignition and compression-ignition engines?

• Size of the engine

• Number of strokes in the working cycle

• Method of ignition

• Type of fuel used