CDL Exam Questions and Answers 100% Pass
What's the most important reason for doing a vehicle inspection? ✔✔Safety
What things should you check during a trip? ✔✔instruments, air pressure gauges, temperature gauges, pressure gauges, voltmeter, mirrors, tires, cargo
Name some key steering system parts. ✔✔gear box, tie rods, steering column
Name some suspension system defects. ✔✔1/4 or more of leaves in spring assembly are broken; any leaf is missing; spring hangers that allow movement of axle from proper position; leaking shock absorbers
What 3 kinds of emergency equipment must you have? ✔✔spare electrical fuses, 3 red reflective triangles, properly charged & rated fire extinguisher
What is the minimum tread depth for front tires? ✔✔4/32"
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What is minimum tread depth for other tires? ✔✔2/32"
Name some things you should check on the front of your vehicle during the walk-around inspection. ✔✔condition of: front axle, steering system, windshield; lights & reflectors; parking, clearance & identification lights clean, operating & proper color; reflectors clean & proper color; right front turn signal clean, operating & proper color
What should wheel bearing seals be checked for? ✔✔That they're not leaking
How many red reflective triangles should you carry? ✔✔3
How do you test hydraulic brakes for leaks? ✔✔Pump brake pedal 3X, then apply firm pressure to pedal & hold for 5 seconds. The pedal shouldn't move. It it does, there may be a leak or other problem.
Why put the starter switch key in your pocket during the pre-trip inspection? ✔✔To ensure that no one can start or move the vehicle while you're performing your inspection.
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