Untitled Presentation

Open Ended

How does the ignition system contribute to the operation of a spark ignition engine?

Multiple Choice

Why is the spark important in a spark ignition engine system?

• It cools the engine

• It ignites the fuel/air mixture

• It lubricates the engine

• It increases fuel efficiency

Open Ended

Explain the difference between a weak mixture and a rich mixture in a spark ignition engine. Why might each be used?

Multiple Choice

What is the stoichiometric air-fuel ratio for a spark ignition engine?

• 14.7:1

• 16:1

• 13:1

• 10:1

Multiple Choice

Which of the following is NOT one of the four strokes in the four stroke cycle?

• Induction

• Compression

• Expansion

• Exhaust

Multiple Select

Which gases found in exhaust emissions can contribute to respiratory disorders and damage to plants and ecosystems?

• Carbon Monoxide

• Hydrocarbons

• Oxides of Nitrogen

• Carbon Dioxide

Open Ended

Describe how the crankshaft and connecting rod work together during the four stroke cycle to convert reciprocating motion into rotary motion.

Open Ended

How do the components of a spark ignition engine system work together to ensure efficient engine operation?

Multiple Choice

What is the main function of the ignition system in a spark ignition engine?

• To store and deliver fuel to the engine

• To convert 12 volts to high voltage and send it to the spark plug

• To cool the engine

• To lubricate engine parts