5. You should know that your brakes are fading when:

Air Brakesmedium

APressure on the brake pedal is released and speed increases.

BYou have to press the brake pedal harder to control speed on a downgrade.

CThe brake feels spongy when pressure is applied.

Detailed Explanation

The correct answer is "You have to press the brake pedal harder to control speed on a downgrade.". This is based on federal CDL regulations and safety standards.

Correct Answer: You have to press the brake pedal harder to control speed on a downgrade.

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5. You should know that your brakes are fading when:

Detailed Explanation

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