Spark Plug and Ignition System Quiz

Where are the spark plugs screwed into?

• Radiator

• Brake pedal

• Exhaust pipe

• Cylinder head

What receives high voltage from the secondary windings of the ignition coil?

• Piston

• Spark plug

• Fuel injector

• Air filter

What is used to ignite the air/fuel mixture?

• Exhaust gas

• Engine oil

• Spark plug

• Coolant

What makes it difficult for a strong enough spark to be generated?

• Replacing the air filter

• Changing the engine oil

• Increasing the spark plug air gap

• Decreasing the spark plug air gap

What happens to the voltage needed as the compression pressure rises within the combustion chamber?

• Decreases

• Fluctuates

• Remains the same

• Increases

What will require a higher voltage to be generated?

• Dry air/fuel mixture

• Wet air/fuel mixture

• Cold air/fuel mixture

• Hot air/fuel mixture

Tags

NGSS.HS-PS2-5

What happens to the electrode temperature as engine speed increases?

• Remains the same

• Fluctuates

• Decreases

• Increases

What is essential for maintenance of the spark plug?

• Cleaning the spark plug

• Checking the tire pressure

• Replacing the brake pads

• Changing the transmission fluid

What is the purpose of the high-tension cords?

• Receiving high voltage from the ignition coil

• Supplying fuel to the engine

• Cooling the engine

• Controlling the exhaust system

What is the function of the ground electrode?

• Igniting the air/fuel mixture

• Creating a spark

• Jumping the air gap

• Receiving high voltage