To select a gear in the vehicle according to the sketch, which numbers are applicable?

The correct answer indicates the numbers related to gear selection that align with the principles of a manual transmission system in vehicles. Selecting the right gear is critical for maintaining optimal vehicle performance, particularly in terms of speed and engine efficiency.

In a manual transmission, the gears are typically numbered, with lower numbers corresponding to lower gears, which are used for starting and climbing, while higher numbers represent higher gears, used for increased speed and flat highway driving. The numbers associated with the correct choice represent the appropriate gears for specific driving conditions, which include reaching necessary speeds, managing engine power, and ensuring smooth acceleration.

Choosing the right gear is essential for not only vehicle performance but also for fuel efficiency and safety. Using the incorrect gear could strain the engine and reduce efficiency, potentially leading to increased wear and tear over time.

If you think about the vehicle's needs in terms of acceleration and deceleration, the selected gears provide the appropriate balance required for those driving scenarios. Understanding which gears correspond to different driving conditions is fundamental for any driver operating a manual transmission vehicle.