CDL Permit Written Test with Verified Solutions

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CDL Permit Written Test with Verified Solutions What is the most important reason for doing a vehicle inspection Correct Answer-To ensure the vehicle is safe to drive and roadworthy. What things sh ... ould you check during a trip Correct Answer-Tires, brakes, lights, connections to trailer, trailer coupling devices, cargo securement devices(tarps, canvass, or straps) Name some key steering system parts Correct Answer-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 Correct Answer-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 Correct Answer-Fire extinguisher, 3 red triangles, spare fuses, flare What is the minimum tread depth for front tires? For other tires? Correct Answer-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 Correct Answer-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? Correct Answer-Leaks How many red reflective triangles should you carry? Correct Answer-Three How do you test hydraulic brakes for leaks? Correct Answer-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? Correct Answer-So no one moves the truck while you are inspecting it. Why should you back toward the driver's side? Correct Answer-It is safer because the driver can see more If stopped on a hill, how can you start moving without rolling back? Correct Answer-Engage parking brake or clutch before removing foot from brake When backing, why is it important to use a helper? Correct Answer-The helper can see more than the driver, including blind spots, safer What's the most important hand signal that you and the helper should agree on? Correct Answer-Stop What are the two special conditions where you should downshift? Correct Answer-Before a downward grade, and slowing for a curve When should you downshift automatic transmissions? Correct Answer-Before coming to a downward grade Retarders keep you from skidding when the road is slippery. True or False? Correct Answer-False [Show More]

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