Spark Plug Quiz

What is the typical lifespan of a spark plug?

• 10,000 miles

• 30,000 miles

• 50,000 miles

What is the purpose of the insulator in a spark plug?

• Increase fuel efficiency

• Prevent electrical arcing

• Conduct electricity

Tags

NGSS.MS-PS2-3

Which type of spark plug is known for its longevity and durability?

• Copper

• Platinum

• Iridium

What does the heat range of a spark plug indicate?

• The physical temperature of the plug

• The plug's ability to dissipate heat

• The voltage required for ignition

Tags

NGSS.MS-PS3-3

What effect does a fouled spark plug have on engine performance?

• Improved fuel efficiency

• Reduced power and misfires

• Increased horsepower

In a spark plug code like 'NGK BKR6E-11,' what does 'BKR6E' represent?

• Manufacturer's location code

• Spark plug gap size

• Part number and specifications

What is pre-ignition in the context of spark plugs?

• Ignition before the spark plug fires

• Ignition after the exhaust stroke

• Ignition during the compression stroke

What is the purpose of the ground electrode on a spark plug?

• Improve combustion efficiency

• Stabilize the spark

• Increase thermal conductivity

What is the consequence of using a spark plug with too wide of a gap?

• Reduced power

• Improved fuel efficiency

• Overheating of the engine

Which factor is crucial in determining the ideal spark plug gap for an engine?

• Engine size

• Fuel octane rating

• Manufacturer's specifications