Texas CDL General Knowledge Practice Exam

Question: 1 / 400

You are driving a new truck with a manual transmission, what gear will you probably have to use to take a long steep downgrade hill?

A lower gear than you would use to climb the hill.

Choosing a lower gear while driving down a long, steep downgrade is essential for maintaining control of the vehicle. When descending, a lower gear provides engine braking, which helps slow the truck down without relying solely on the brakes. This reduces the risk of brake overheating and failure, ensuring a safer descent.

Higher gears, while suitable for climbing, can lead to increased speeds downhill due to a lack of resistance. Additionally, using neutral gear is not advisable because it eliminates engine braking, making it harder to control the vehicle. Selecting a gear higher than typically used could also increase speed unnecessarily, which is dangerous on a steep descent. Thus, engaging a lower gear is the best practice for managing a long, steep downgrade effectively and safely.

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The highest gear possible for speed

Neutral gear for more control

A gear higher than you would typically use

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