ASE Medium-Heavy Truck Certifications 3

Question 1

Which ASE truck test covers Suspension and Steering (T5)?

Accepted Answer

Suspension and Steering

Answer

Test T5 covers suspension and steering systems on medium/heavy trucks.

Question 2

A truck pulls to one side during braking. Which is the most likely cause?

Accepted Answer

Uneven brake adjustment

Answer

Unequal braking force from misadjusted or contaminated brakes causes pulling to one side.

Question 3

What is the function of a slack adjuster in a drum brake air system?

Accepted Answer

Convert chamber push-rod motion into camshaft rotation

Answer

The slack adjuster acts as a lever that rotates the S-cam to apply the brake shoes.

Question 4

Excessive push-rod travel on an air brake chamber indicates what condition?

Accepted Answer

Brakes out of adjustment

Answer

Long push-rod stroke means the brakes are out of adjustment and may fail to apply fully.

Question 5

Which ASE test (T8) covers Preventive Maintenance Inspection?

Accepted Answer

T8

Answer

Test T8 covers preventive maintenance inspection (PMI) procedures.

ASE Practice Test