California Educator Credentialing Examinations (CBEST) English 2025 – 400 Free Practice Questions to Pass the Exam

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What can decreased tire pressure lead to according to automobile maintenance principles?

Improved acceleration of the vehicle.

Increased rolling resistance and decreased fuel economy.

Decreased tire pressure is recognized in automobile maintenance principles as leading to increased rolling resistance, which negatively affects fuel economy. When tire pressure is low, the tires have more surface area in contact with the road, which requires more energy to move the vehicle forward. This increased drag not only consumes more fuel but can also result in poorer acceleration and handling. Properly inflated tires ensure optimal performance by minimizing resistance and improving fuel efficiency, while also contributing to better tire longevity and safety by reducing the risk of blowouts or uneven wear. Understanding these fundamentals helps one appreciate the importance of regular tire maintenance in vehicle operation.

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Prolonged lifespan of the tires.

Enhanced cornering capabilities.

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