Understanding Spark Plug Fundamentals

Front

What is the primary material used in standard spark plugs?

Back

Copper

Front

Which material is known for providing the longest lifespan in spark plugs? Options: Copper, Nickel, Iridium, Aluminum

Back

Iridium

Front

What is the main advantage of platinum spark plugs over copper spark plugs?

Back

Longer lifespan

Front

What does the heat range of a spark plug indicate?

Back

The temperature at which the spark plug operates

Front

Which of the following is a characteristic of a "hot" spark plug? It dissipates heat quickly, It retains heat longer, It has a larger gap, It is made of iridium

Back

It retains heat longer

Front

What is the typical spark plug gap range for most vehicles?

Back

0.040 to 0.060 inches

Front

How does a smaller spark plug gap affect engine performance?

Back

Decreases ignition voltage requirement

Front

Which type of spark plug is best suited for high-performance engines?

Back

Iridium

Front

What happens if the spark plug gap is too wide?

Back

The engine may misfire

Front

Which of the following is NOT a factor in determining the correct spark plug heat range? Engine type, Driving conditions, Fuel type, Spark plug material

Back

Spark plug material