CDL Permit Test | Complete Questions And Answers Graded A+

What is the most important reason for doing a vehicle inspection ✔✔To ensure the vehicle is safe to drive and roadworthy. What things should you check during a trip ✔✔Tires, brakes, lights, connections to trailer, trailer coupling devices, cargo securement devices(tarps, canvass, or straps) Name some key steering system parts ✔✔Steering wheel, steering shaft, gear box, hydraulic fluid reservoir, pitman arm, drag link, steering knuckle, spindle, power steering cylinder, steering arm, tie rod Name some suspension system defects ✔✔Missing or broken leaf springs, leaking shock absorbers, broken spring hangers, torque rod (arm, ubolts, spring hangers, or other axle positioning parts) cracked or damaged Name three kinds of emergency equipment you must have ✔✔Fire extinguisher, 3 red triangles, spare fuses, flare What is the minimum tread depth for front tires? For other tires? ✔✔4/32" for front tires, 2/32" for all others Name some things you should check on the front of your vehicle during the walk around inspection ✔✔Condition of axle and steering system (grab for looseness), condition of the windshield (clean/dirty, damaged, wiper arms, wiper blades, and lights & reflectors (amber at front for clearance and reflectors, white or amber for turn signal) What should wheel bearing seals be checked for? ✔✔Leaks How many red reflective triangles should you carry? ✔✔Three How do you test hydraulic brakes for leaks? ✔✔Pump three times, hold brake down for 5 seconds. Brakes should hold, if not there is a problem. Why put the starter switch key in your pocket during the pre-trip inspection? ✔✔So no one moves the truck while you are inspecting it. Why should you back toward the driver's side? ✔✔It is safer because the driver can see more If stopped on a hill, how can you start moving without rolling back? ✔✔Engage parking brake or clutch before removing foot from brake When backing, why is it important to use