Practice question

What is the recommended method for driving down a long, steep grade in a heavy truck?

Coast in neutral and use the service brakes to control speed
Select a low gear before starting down the hill and use engine compression brakes and light 'snubbing' brake applications
Keep the transmission in high gear and pump the brakes rapidly
Turn off the engine to save fuel and let gravity roll the vehicle

Answer: B — Select a low gear before starting down the hill and use engine compression brakes and light 'snubbing' brake applications

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