What should you check on brake drums during the walk-around inspection?

a.Only the drum color

b.Cracks, dents, and signs of overheating such as discoloration

c.Only the drum size

d.Brake drums do not need inspection

Explanation

Brake drums should be inspected for cracks, dents, and signs of overheating such as heat discoloration (blue or glazed appearance). Cracked or overheated drums can fail and cause a loss of braking ability.

← Back to Class A CDL Knowledge Test #2

Related Questions

How many steps are in the standard CDL pre-trip inspection method?What is the first step of the seven-step inspection method?During the vehicle overview (Step 1), what should you look for as you approach the vehicle?What does it indicate if the vehicle is leaning to one side during the approach inspection?What is Step 2 of the seven-step inspection method?

About the CDL Exam

The CDL (Commercial Driver License) exam tests your knowledge of commercial driving rules, safety procedures, and vehicle operation. You must score 80% or higher to pass the written knowledge test. The exam covers general knowledge, air brakes, combination vehicles, and various endorsements.

This question is from the Class A CDL Knowledge Test #2 section. Practice with more questions from this category to build confidence before taking the official DMV test.

Browse All Free CDL Practice Tests →