©PREP4EXAMS2024/2025 REAL EXAMS DUMP Wednesday, August 7, 2024 9: 33 PM
Wisconsin CDL (2024) Practice Exam
Questions and Answers (100% Pass)
What is the most important reason for doing a vehicle inspection? - Answer✔️✔️-
Safety for yourself and for other road users.
What things should you check during a trip? - Answer✔️✔️-Watch gauges for signs
of trouble, use your senses to check for problems, check critical items when you
stop (tires, wheels, rims, brakes, lights/reflectors, brake and electrical connections
to trailer, trailer coupling devices, cargo securement devices)
Name some key steering system parts - Answer✔️✔️-Tie rod, steering wheel,
steering shaft, steering arms, spindle, steering knuckle, drag link, pitman arm,
steering gear box, hydraulic fluid reservoir
Name some suspension system defects - Answer✔️✔️-- spring hangers that allow
movement of the axle from the proper position
- cracked or broken spring hangers
- missing or broken leaves in any leaf spring (if 1/4 are missing, it will put the
vehicle "out of service")
- broken leaves in a multi-leaf spring or leaves that have shifted so they might hit a
tire or other part
- leaking shock absorbers
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, ©PREP4EXAMS2024/2025 REAL EXAMS DUMP Wednesday, August 7, 2024 9: 33 PM
- torque rod or arm, u-bolts, spring hangers or other axle positioning parts that are
cracked, damaged, or missing
- air suspension systems that are damaged, and/or leaking
- any loose, cracked, broken or missing frame members
What three kinds of emergency equipment must you have? - Answer✔️✔️-- fire
extinguisher(s)
- spare electrical fuses (unless equipped with circuit breakers)
- warning devices for parked vehicles (eg 3 reflective warning triangles, 6 fuses, or
3 liquid burning flares)
What is the minimum tread depth for front tires? - Answer✔️✔️-4/32"
What is the minimum tread depth for other tires? - Answer✔️✔️-2/32"
Name some things you should check on the front of your vehicle during the walk-
around inspection - Answer✔️✔️-- Condition of front axle
- Condition of the steering system (no loose, worn, bent, damaged, missing parts;
must grab the steering mechanism to test for looseness)
- Condition of the windshield (damage, clean if dirty, check wiper arms for proper
spring tension, check wiper blades for damage, stiff rubber and securement)
- Lights and reflectors (parking, clearance, and ID lights are clean, operating and
proper color; reflectors are clean and the proper color; right front turn signal light
is clean, operating)
What should wheel bearing seals be checked for? - Answer✔️✔️-That they are not
leaking
How many red reflective triangles should you carry? - Answer✔️✔️-3
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