CDL Exam Study Guide with Complete Solutions
1) Most important reason for vehicle inspection: - Answer️️ -Safety
2) Eight things to check during a trip: - Answer️️ -> instruments;
> air pressure gauge;
> temp gauge;
> pressure gauge;
> ammeter/voltmeter;
> mirrors
...
4) Name six suspension system defects - Answer✔️✔️-> spring hangers that allow
movement of axle from proper position;
> cracked or broken spring hangers;
> missing or broken leaves in any leaf spring;
> leaking shock absorbers;
> air suspension systems that are damaged and or leaking;
> any parts of the suspension or frame that is cracked or broken
5) What 3 kinds of emergency (?) equipment should you have? - Answer✔️✔️-> fire
extinguisher;
> 3 reflective triangles;
> spare fuses
6) What is the minimum tread depth for front tires? - Answer✔️✔️-4/32-inch front
7) What is the minimum tread depth for rear tires? - Answer✔️✔️-2/32-inch rear
8) Five things to check on front of vehicle (?) during walk around inspection: -
Answer✔️✔️-> front axle;
> steering system;
> windshield;
> lights;
> reflectors
9) What should wheel bearing seals be checked for? - Answer✔️✔️-Leakage
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