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How can you use the engine to control your speed?

  1. By using the handbrake

  2. By changing to a lower gear

  3. By increasing your fuel consumption

  4. By activating the cruise control

The correct answer is: By changing to a lower gear

Using the engine to control your speed is effectively achieved by changing to a lower gear. When you shift to a lower gear, the engine can provide more power and allows for increased braking force without solely relying on the brake pedal. This technique is often referred to as engine braking. It can help in maintaining a safe speed, especially on declines, or when slowing down in a controlled manner. By engaging a lower gear, the engine speed increases, which helps to naturally slow down the vehicle due to the resistance of the engine against the drive wheels. This method not only aids in speed control but also reduces wear on the brake components, prolonging their lifespan. The other methods listed do not provide effective means of controlling speed in the same way. For instance, using the handbrake may lead to skidding if used improperly and is not intended for regular speed control. Increasing fuel consumption does not contribute to speed control, as it simply refers to using more fuel rather than adjusting speed. Activating cruise control is useful for maintaining a consistent speed but does not allow for manual adjustment needed to control speed effectively in varying conditions.