Georgia Commercial Driver License Practice Test

To prevent your tires and engine from overheating while driving in hot weather, you should:

1. Increase your speed

2. Take frequent breaks

3. Decrease your speed

4. Use higher octane fuel

The correct answer is: Decrease your speed

Decreasing your speed is the correct approach to prevent your tires and engine from overheating while driving in hot weather. Traveling at high speeds can lead to increased friction and heat generation, which puts more stress on both the tires and the engine. This added strain can lead to tire blowouts and engine overheating, both of which can result in hazardous driving conditions and costly repairs. When you reduce your speed, you reduce the amount of friction generated by the tires against the road surface, as well as lower the revolutions per minute (RPM) in the engine. This slower pace helps keep both the tires and the engine cooler, allowing for more efficient operation and prolonging the life of the vehicle's components. While taking frequent breaks can assist in cooling off your tires and engine, it does not directly impact the heat generated during driving. Increasing speed will only exacerbate the issue, and using higher octane fuel affects engine performance but does not address overheating concerns related to speed and tire condition in hot weather.