ELDT Pre- and Post-Trip Inspections 2

Question 1

During a pre-trip inspection, how much tread depth is required on the steering axle tires?

Accepted Answer

4/32 inch

Answer

Federal rules require at least 4/32 inch of tread depth on front steering axle tires.

Question 2

What is the minimum tread depth allowed on non-steering (drive and trailer) axle tires?

Accepted Answer

2/32 inch

Answer

Tires other than the front steering axle must have at least 2/32 inch of tread.

Question 3

When checking the engine oil level, when should the reading be taken for accuracy?

Accepted Answer

When the engine is warm but shut off and level

Answer

Check oil with the engine warm, turned off, and the vehicle on level ground for an accurate reading.

Question 4

A tire is considered flat and must not be driven on when its air pressure is what?

Accepted Answer

Less than 50% of the maximum rated pressure

Answer

A tire with less than 50 percent of its correct/maximum pressure is treated as flat.

Question 5

What defect on a wheel rim is an automatic out-of-service condition?

Accepted Answer

Cracked or bent rims

Answer

Cracked or bent rims can cause the tire to fail and are prohibited.

Entry Level Driver Training (ELDT) Practice Test