CDL Permit Test (solved)

What is the most important reason for doing a vehicle inspection - ANSWER To ensure the vehicle is safe to drive and roadworthy. What things should you check during a trip - ANSWER Tires, brakes, lights, connections t ...

What is the most important reason for doing a vehicle inspection - ANSWER To ensure the vehicle is safe to drive and roadworthy. What things should you check during a trip - ANSWER Tires, brakes, lights, connections to trailer, trailer coupling devices, cargo securement devices(tarps, canvass, or straps) Name some key steering system parts - 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 - 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 - ANSWER Fire extinguisher, 3 red triangles, spare fuses, flare What is the minimum tread depth for front tires? For other tires? - 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 - 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? - ANSWER Leaks How many red reflective triangles should you carry? - ANSWER Three How do you test hydraulic brakes for leaks? - 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? - ANSWER So no one moves the truck while you are inspecting it. Why should you back toward the driver's side? - ANSWER It is safer because the driver can see more If stopped on a hill, how can you start moving without rolling back? - ANSWER Engage parking brake or clutch before removing foot from brake When backing, why is it important to use a helper? - 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? - ANSWER Stop What are the two special conditions where you should downshift? - ANSWER Before a downward grade, and slowing for a curve When should you downshift automatic transmissions? - ANSWER Before coming to a downward grade Retarders keep you from skidding when the road is slippery. True or False? - ANSWER False What are the two ways to know when to shift? - ANSWER RPM or MPH How far ahead does the manual say you should look? - ANSWER 12-15 seconds What are two main things to look for ahead? - ANSWER Look for traffic or other hazards in the road What's your most important way to see the sides and rear of your vehicle? - ANSWER Adjust mirrors when the trailer is straight for best viewing angles What does "communicating" mean in safe driving? - ANSWER Using signals, horn, or lights to warn drivers of hazards or changes in driving such as changing lanes, slowing down, accidents, etc Where should your reflectors be placed when stopped on a divided highway? - ANSWER Behind the vehicle, 10ft, 100ft, 200ft What three things add up to total stopping distance? - ANSWER Perception Distance + Reaction Distance + Braking Distance If you go twice as fast, will your stopping distance increase by two or four times? - ANSWER Four times Empty trucks have the best braking. True or False? - ANSWER False What is hydroplaning? - ANSWER When tires loose contact with the road surface due to water on the roadway What is "black ice"? - ANSWER Thin layer of ice over roadway where you can see the pavement, looks wet How do you find out how many seconds of following distance space you have? - ANSWER ... If you are driving a 30-foot vehicle at 55 mph, how many seconds of following distance should you allow? - ANSWER ... You should decrease your following distance if somebody is following you too closely. True or False? - ANSWER ... If you swing wide to the left before turning right, another driver may try to pass you on the right. True or False? - ANSWER ... What is a hazard? - ANSWER ... Why make emergency plans when you see a hazard? - ANSWER ... What are some tips to follow so you won't become a distracted driver? - ANSWER ... How do you use in-vehicle communications equipment cautiously? - ANSWER ... How do you recognize a distracted driver? - ANSWER ... What is the difference between aggressive driving and road rage? - ANSWER ... What should you do when confronted with an aggressive driver? - ANSWER ... What are some things you can do to reduce your stress before and while you drive? - ANSWER ... You should use low beams whenever you can. True or False? - ANSWER ... What should you do before you drive if you are drowsy? - ANSWER ... What effects can wet brakes cause? How can you avoid these problems? - ANSWER ... You should let air out of hot tires so the pressure goes back to normal. True or False? - ANSWER ... You can safely remove the radiator cap as long as the engine isn't overheated. True or False? - ANSWER ... What factors determine your selection of a "safe" speed when going down a long, steep downgrade? - ANSWER ... Why should you be in the proper gear before starting down a hill? - ANSWER ... Describe the proper braking technique when going down a long, steep downgrade. - ANSWER ... What type of vehicles can get stuck on a railroad-highway crossing? - ANSWER ... What type of vehicles can get stuck on a railroad-highway crossing? - ANSWER ... Stopping is not always the safest thing to do in an emergency. True or False? - ANSWER ... What are some advantages of going right instead of left around an obstacle? - ANSWER ... What is an "escape ramp?" - ANSWER ... If a tire blows out, you should put the brakes on hard to stop quickly. True or False? - ANSWER ... How do you know if your vehicle has antilock brakes? - ANSWER ... What is the proper braking technique when driving a vehicle with antilock brakes? - ANSWER ... How do antilock brakes help you? - ANSWER ... What are some things to do at an accident scene to prevent another accident? - ANSWER ... Name two causes of tire fires. - ANSWER ... What kinds of fires is a B:C extinguisher not good for? - ANSWER ... When using your extinguisher, should you get as close as possible to the fire? - ANSWER ... Name some causes of vehicle fires. - ANSWER ... Common medicines for colds can make you sleepy. True or False? - ANSWER ... Coffee and a little fresh air will help a drinker sober up. True or False? - ANSWER ... What is a hazardous materials placard? - ANSWER ... Why are placards used? - ANSWER ...