In which scenario should you pull over when driving a commercial vehicle?

Pulling over when driving a commercial vehicle is crucial for ensuring safety on the road. Each scenario listed highlights important reasons for taking such action:

If you feel tired or fatigued, it is essential to prioritize your well-being and the safety of others. Fatigue can significantly impair your ability to operate the vehicle safely, increasing the risk of accidents. Pulling over to rest allows you to regain focus and energy before continuing your journey.

In the case of an emergency, pulling over is vital to assess the situation and avoid further risk. Emergencies can range from mechanical failures to medical issues, and stopping allows for proper evaluation and response.

Hearing a loud sound from the engine indicates a potential problem that could lead to breakdowns or accidents if not addressed. Pulling over can help you inspect the issue or call for assistance, preventing further damage to the vehicle or ensuring safety on the highway.

Therefore, pulling over in any of these scenarios is not only a defensive driving tactic but also a responsible practice for maintaining the safety of the driver, passengers, and others on the road. Hence, selecting all of the above as the correct answer encapsulates the necessity of pulling over in various situations that may arise while operating a commercial vehicle.