Practice question

What is the function of the automated manual transmission (caja de cambios automatizada / AMT) in modern heavy trucks?

To eliminate the need for friction brakes
To automate clutch operation and gear shifts through electronic actuators and engine load algorithms, optimizing fuel efficiency, reducing driver fatigue, and ensuring the engine stays in the green torque band
To double the horsepower of the diesel engine
To pump water to the radiator

Answer: B — To automate clutch operation and gear shifts through electronic actuators and engine load algorithms, optimizing fuel efficiency, reducing driver fatigue, and ensuring the engine stays in the green torque band

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