Automotive Ignition Systems

What is the primary function of the ignition system in a petrol engine?

• To supply fuel to the engine

• To ignite the air-fuel mixture

• To cool the engine

• To lubricate the engine

Which component generates the high voltage needed to create a spark in the spark plug?

• Battery

• Alternator

• Ignition coil

• Distributor

What is the purpose of the spark plug in a petrol engine?

• To inject fuel

• To ignite the air-fuel mixture

• To measure air intake

• To control exhaust emissions

Which part of the ignition system WAS used to distribute the high voltage to the correct spark plug?

• Ignition coil

• Distributor

• Spark plug wire

• Battery

What is the function of the engine control unit (ECU)?

• To control the ignition timing

• To monitor engine performance

• To manage fuel injection

• All of the above

What sensor measures the amount of air entering the engine?

• Oxygen sensor

• Throttle position sensor

• Mass airflow sensor

• Coolant temperature sensor

Which component adjusts the ignition timing based on engine speed and load?

• Ignition coil

• Distributor

• ECU

• Spark plug

What is the purpose of the throttle position sensor?

• To measure the position of the throttle valve

• To control fuel injection

• To monitor exhaust gases

• To measure the travel on the accelerator pedal

Which sensor monitors the oxygen levels in the exhaust gases?

• Mass airflow sensor

• Throttle position sensor

• Lambda sensor

• Knock sensor

What is the function of the knock sensor?

• To detect engine detonation

• To measure air intake

• To control ignition timing

• To monitor fuel pressure