Tire Inspection Quiz

When are you required to inspect your tires if your vehicle is placarded with hazardous materials?

• At the start of each trip

• When your tire pressure exceeds recommendations

• Each time the vehicle is parked

• Both A and C

A tire is considered flat when the tire pressure is ____ below the manufacturer's recommended tire pressure.

• 5 percent

• 10 percent

• 20 percent

• 50 percent

Mismatched or incorrect sized tires can cause:

• Increased inspections

• Premature tire wear or tire failure

• Tread depth deformations

• Valve caps to pop off valve stems

If you find an overheated tire during a tire inspection, what must you do?

• Remove the tire and place it a safe distance from the vehicle

• Use a thermometer to ensure the tire is below 90 degrees Fahrenheit

• Pack ice around the tire to cool it down

• All of the above

Which of the following conditions warrant a tire out-of-service?

• Any tread or sidewall separation

• A cut or gouge that exposes ply or belt material

• A foreign object has penetrated the tire casing

• All of the above