L1AM06- Spark Ignition

Multiple Choice

Which of the following is NOT a component of a typical vehicle's cooling system?

• Water pump

• Thermostat

• Spark plug

• Radiator

Open Ended

Why is it important for engines to stay cool, and what could happen if they overheat?

Multiple Choice

Which of the following is NOT one of the learning objectives listed for this lesson on spark ignition and vehicle systems?

• To explain what 'Spark Ignition' means

• To identify 3 components used within a Spark ignition (SI) system

• To describe the history of electric vehicles

• To give an overview of how the whole fuel and ignition systems functions in an SI engine

Multiple Choice

Which of the following are fuel-related hazards that should be considered in the workplace?

• Fire and explosion risk

• Health hazards

• Environmental contamination

• All of the above

Open Ended

List three important health and safety considerations you should be aware of before working on fuel systems.

Multiple Choice

Based on the information provided, why is the lesson focusing on petrol engines rather than diesel engines?

• Petrol engines are more powerful than diesel engines

• Diesel engines are being phased out due to health concerns

• Petrol is cheaper than diesel

• Diesel engines are more complex

Multiple Choice

According to the slides, what percentage of new cars registered in 2019 were powered by internal combustion engines?

• 50%

• 60%

• 80%

• 90%

Multiple Choice

What are the two main components required for the combustion process in a spark ignition petrol engine?

• Fuel/Air and Electricity

• Fuel/Air and Water

• Electricity and Oil

• Fuel/Air and Coolant

Open Ended

Explain why mixing fuel with air in the correct proportion is important for engine operation.

Open Ended

Define the key difference between distributor and distributorless systems.

Multiple Choice

Which of the following is NOT a function of the ignition system?

• Generating a spark to ignite the air/fuel mixture

• Maintaining the spark for complete combustion

• Delivering the spark at the precise time

• Mixing fuel and air

Multiple Choice

What is the main advantage of using coil packs in modern vehicles compared to traditional ignition coils with distributors?

• They reduce engine noise

• They allow for electronic control and eliminate the need for a distributor

• They increase fuel consumption

• They make the engine heavier

Multiple Choice

What is the purpose of using two separate coils and EMFs in the ignition system of a car?

• To increase voltage for the spark plug

• To reduce engine noise

• To cool the engine

• To lubricate engine parts

Open Ended

Explain how current passing through the primary winding of a coil leads to voltage induction in the secondary winding.

Multiple Choice

Which component on the engine layout diagram above would be the ignition coil?

• The component highlighted in purple

• The component highlighted in green

• The component highlighted in yellow

• The component highlighted in blue

Multiple Select

Select all statements that correctly describe what happens when the primary coil circuit is suddenly opened.

• The magnetic field collapses instantly

• A high voltage is produced in the secondary windings

• The spark plug stops working

• The current in the secondary coil increases

Open Ended

What are the typical resistance values for the primary and secondary windings of an ignition coil?

Open Ended

In your groups can you think of three units of measurement typically used on electronic circuitry?

Multiple Choice

Which component in the ignition system is responsible for generating a high voltage surge in the secondary winding?

• Ignition switch

• Distributor assembly

• Ignition coil

• Capacitor

Multiple Select

Which of the following are components of the primary circuit in an ignition system?

• Battery

• Ignition coil primary winding

• Spark plug cables

• Switching device/control module

Open Ended

Explain the difference between the primary and secondary circuits in an ignition system, including their main components and functions.

Multiple Choice

Which of the following best describes the function of the rotor in a distributor ignition (DI) system?

• It generates high voltage for the spark plugs.

• It distributes high voltage to the spark plugs in the correct firing order.

• It stores electrical energy for the ignition coil.

• It switches the ignition system on and off.

Open Ended

After learning about spark ignition components and maintenance, what questions do you still have or what would you like to know more about?

Open Ended

Summarize what you learned today about engine cooling systems and heat transfer. How do you think this knowledge could be useful in real-life situations?