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WorksheetsSpark plug review
Total questions: 14
Worksheet time: 2mins
What is the primary function of a spark plug in an engine?
To cool the engine
To ignite the air/fuel mixture
To lubricate the engine's moving parts
To filter the engine oil
Why is regular maintenance of spark plugs important?
To ensure optimal fuel efficiency
To reduce the engine's power output
To increase the engine's oil consumption
To decrease the vehicle's top speed
What does the term "spark plug gap" refer to?
The distance between the spark plug and the engine
The length of the spark plug
The distance between the spark plug's electrodes
The width of the spark plug's thread
What can happen if the spark plug gap is not set correctly?
The engine will produce more power
The spark plug will last longer
The engine may run rough or misfire
The fuel efficiency will increase
Which of the following is NOT a type of spark plug?
Copper
Gold
Platinum
Iridium
What role does the spark plug gap play in engine performance?
A larger gap increases fuel consumption
A smaller gap can lead to unburnt fuel in the exhaust
The correct gap ensures optimal combustion
The gap size is irrelevant to engine performance
What is a common symptom of spark plug issues?
Increased acceleration
Louder music from the stereo
Engine misfiring
Smoother gear shifts
How does a spark plug directly affect a vehicle's fuel economy?
By increasing air intake
By ensuring efficient combustion of fuel
By reducing exhaust emissions
By cooling the engine faster
What is the consequence of having a spark plug gap that is too wide?
Increased fuel efficiency
Decreased risk of engine knocking
Potential for spark misfire
Longer spark plug lifespan
What is NOT a benefit of replacing spark plugs at recommended intervals?
Improved fuel economy
Enhanced engine performance
Reduced exhaust emissions
Increased oil consumption
Which tool is essential for checking the spark plug gap?
Torque wrench
Gap gauge
Screwdriver
Pliers
What might be the result of over-tightening a spark plug?
Improved engine performance
Extended spark plug life
Damage to the spark plug or engine
Increased fuel efficiency
Why is it important to use the correct type of spark plug for your vehicle?
To prevent damage to the radio
To ensure the air conditioning works properly
To avoid engine damage and ensure optimal performance
To improve the vehicle's resale value
What is the effect of a fouled spark plug on engine performance?
It improves engine performance
It has no effect
It can cause the engine to run rough or misfire
It increases the engine's horsepower
