What should be checked during a pre-trip inspection of the tires?

• A. Tread depth and air pressure
• B. Only air pressure
• C. Only tread depth
• D. Condition of the rims alone

Answer: (A)

During a pre-trip inspection of the tires, it is essential to check both the tread depth and the air pressure. The tread depth is crucial for ensuring adequate traction and preventing hydroplaning, especially under wet conditions. Insufficient tread can lead to dangerous driving situations as it diminishes the vehicle's ability to grip the road.

Air pressure is equally important, as tires that are under-inflated or over-inflated can lead to poor handling, increased tire wear, and even tire blowouts. Maintaining the proper air pressure helps in achieving optimal fuel efficiency and prolongs the life of the tires.

By combining these two checks—tread depth and air pressure—drivers ensure that their tires are in safe and effective condition for operation. This comprehensive approach promotes safety and vehicle performance.