Utah CDL General Knowledge Practice Test

Regularly checking tire inflation is essential for extending tire life because proper inflation ensures uniform tire wear and optimal performance. When tires are under-inflated, they can wear unevenly and heat up more quickly, leading to reduced lifespan and potential blowouts. Over-inflated tires can also suffer from accelerated wear in the center of the tread, reducing contact with the road and negatively impacting vehicle handling and safety. Maintaining the correct tire pressure helps in achieving better fuel efficiency, improved traction, and enhanced handling, all of which contribute to extending the overall life of the tires. In contrast, ignoring tread wear indicators, exceeding load limits, or driving at high speeds can all lead to premature tire wear and increase the risk of tire failures. These practices can create stress on the tires and compromise their structure, leading to more frequent replacements.