CDL Exam Questions And Answers 2023

CDL Exam Questions And Answers 2023 What's the most important reason for doing a vehicle inspection? - Answer-Safety What things should you check during a trip? - Answer-instruments, air pressure gauges, temperature gauges, pressure gauges, voltmeter, mirrors, tires, cargo Name some key steering system parts. - Answer-gear box, tie rods, steering column Name some suspension system defects. - Answer-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? - Answer-spare electrical fuses, 3 red reflective triangles, properly charged & rated fire extinguisher What is the minimum tread depth for front tires? - Answer-4/32" What is 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, 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? - Answer-That they're not leaking How many red reflective triangles should you carry? - Answer-3 How do you test hydraulic brakes for leaks? - Answer-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? - AnswerTo ensure that no one can start or move the vehicle while you're performing your inspection. Why should you back toward the driver's side? - Continues...