CDL GENERAL KNOWLEDGE QUESTIONS AND ANSWERS RATED A

CDL GENERAL KNOWLEDGE QUESTIONS AND ANSWERS RATED A If you have an air brake restriction... Correct Answer-you may not operate a CMV What is the most important reason for doing a vehicle inspection? Correct Answer-Saf ...

CDL GENERAL KNOWLEDGE QUESTIONS AND ANSWERS RATED A If you have an air brake restriction... Correct Answer-you may not operate a CMV What is the most important reason for doing a vehicle inspection? Correct Answer-Safety. Safety for yourself and other road user. What things should you check during a trip? Correct Answer-Watch gauges for signs of trouble. Use your senses to check for problems (look,listen,smell,and feel) Check critical items when you stop : tires, wheels, rims, brakes, lights, reflectors, electrical connections to trailers. Name some key steering wheel parts Correct Answer-Gear box pitman arm steering knuckle steering arm tie rod Name some suspinsion system defects Correct Answer-Broken leaf spring, spring hangers that allow movement of axle. U-bolts, or other axle poistioning parts that are cracked, or damaged.What 3 kinds of emergency equiptment must you have? Correct Answer-Spare electrical fuses Three red reflective triangles properly charged and rated fire extinguisher. What is the minimum tread depth for front tires? For all other tires? Correct Answer-4/32 on the front and 2/32 elsewhere Name some things you should check on the front of your vehicle during the walk around inspection? Correct Answer-Headlights, low and high beam. Windshield wiper arms for proper spring tension. Wiper blades for damage. Reflectors Turn Signals both left and right. What should wheel bearing seals be checked for? Correct Answer-Leaks, Leaks, LEAKS!! How many red reflective triangles should you carry? Correct Answer-Three How do you test hydraulic breaks for leaks? Correct Answer-Pump brake pedal three times and apply firm pressure to the pedal, hold for five seconds. The pedal should not move. Why put the starter switch key in your pocket during the pre-trip inspection? Correct Answer-To keep someone from running over you.Why should you back toward the driver's side? Correct Answer-So you can see better backing toward the right side is very dangerous because you cant see as well. If stopped on a hill, how can you start moving without rolling back? Correct Answer-For manual transmission, partly engage the clutch before you take your right foot off the brake, or put the parking brake on whenever necessary to keep you from rolling back. On a tractor-trailer equipped with a trailer brake hand valve, the hand valve can be applied to keep from rolling back. When stopping a vehicle with a manual transmission, push the clutch in when the engine is close to Correct Answer-Idle When backing, why is it important to use a helper? Correct Answer-There are blind spots you cant see! What is the most important single you and your helper should agree on? Correct Answer-stop, stop, stop!! What are the two special conditions where you should downshift? Correct Answer-Before entering a curve Before starting down a hill When should you down shift automatic transmissions? Correct Answer-You can select a low range to get greater engine braking when going down grades The lower ranges prevent the transmission from shifting up beyond the selected gears ( unless the governor rpm is exceeded ) TRUE OR FALSE:Engine retarders keep you from skidding when the road is slippery Correct Answer-False What are the two ways to know when to shift? Correct Answer-Use engine speed (rpm) or road speed (mph) TRUE OR FALSE: All drivers look ahead, but many don't look far enough ahead Correct Answer-true How far ahead does the manual say you should look ahead? Correct Answer-Most good drivers look at least 12 to 15 seconds ahead What are some things to look for ahead? Correct Answer-Look for vehicles coming onto the highway, into your lane, or turning. Watch for brake lights from slowing vehicles by seeing these things far enough ahead, you can change your speed, if necessary. Whats the most important way to see the sides and rear of your vehicles? Correct Answer-WATCH YOUR MIRRORS!! By using your mirrors you can see? Correct Answer-Tires and cargos Loose straps, ropes, or chains TRUE OF FALSE : Mirrors can only be checked accurately when the trailer is straight. Correct Answer-TrueTRUE OR FALSE: There are blind spots that your mirrors cannot show you? Correct Answer-True Some drivers try to help out others by signaling when it is safe to pass. Should you do this? Correct Answer-No, don't do it. You can be blamed if an accident occurs! What does "communicating" mean in safe driving? Correct Answer-Other drivers can't know what you are going to do until you tell them. You communicate your intentions by using turn signals for turns and lane changes When you pull off the road and stop, be sure to... Correct Answer-Turn on the four-way emergency flashers How should you put out the triangles? Correct Answer-Hold them between yourself and the on-coming traffic for your own safety If you stop on a 2-lane road carrying traffic in both directions, place warning devices within... Correct Answer-10 feet of the front or rear corners to mark location of vehicle and 100 feet behind and ahead of the vehicle. It takes longer to stop on slippery surfaces, so you should.... Correct Answer-Reduce speed by 1/3 on a wet road and 1/2 on packed snow If the surface is icy, reduce speed to a crawl and stop driving as soon as you can safely do so. Where should your reflectors be placed when stopped on a divided highway? Correct Answer-Place warning devices 10 feet, 100 feet, and 200 feet in the rear toward the approaching trafficWhat three things add up to total stopping distance? Correct Answer-Preception Distance + Reaction Distance + Braking Distance = Total STopping Distance If you go twice as fast, your stopping distance will increase by.. Correct Answer-Four times as much TRUE OR FALSE : Empty trucks have the best braking Correct Answer-False What is hydroplaning? Correct Answer-The tires loose their contact with the road and have little or no traction Hydroplaning can occur at speeds as low as ___ mph if their is a lot of water. Correct Answer-30 What is "Black Ice?" Correct Answer-A thin layer that is clear enough that you can see the road underneath it It makes the road look wet Any time the temp is below freezing and the road looks wet, watch out for black ice! TRUE OR FALSE: You should alwasy be able to stop within the distance you can see ahead. Correct Answer-True At night, you can't see as far with low beams, so you should.. Correct Answer-Slow down TRUE OR FALSE:In heavy traffic, the safest speed is that of other vehicles as long as it is legal and not excessive for conditions. Correct Answer-True When driving through a roadway work zone, you should Correct Answer-Decrease your speed for adverse weather or road conditions. Decrease your speed even further when a worker is close to the roadway. TRUE OR FALSE : If the vehicle ahead of you is smaller than yours, it can probably stop faster than you can. Correct Answer-True How do you find out how many seconds of follwoing distance space you have? Correct Answer-Wait until the vehicle ahead passes a pavement marking, or some other clear landmark. Count off the seconds. Compare your count with the rule of one second for every ten feet of length. If you are driving a 40-foot vehicle at 35 mph, how many seconds of following distance should you allow? Correct Answer-Four seconds If you are driving a 60-foot vehicle at 55 mph, how many seconds of following distance should you allow? Correct Answer-Seven seconds Why should you avoid traveling next to other vehicles? Correct Answer-Another driver may change lanes suddenly and turn into you You may be trapped when you need to change lanes Why are strong winds a problem? Correct Answer-They make it difficult to stay in your lane and it is even worse for lighter vehicles.TRUE OR FALSE : You should decrease your following distance if somebody is follwoing you too closely. Correct AnswerFalse Many drivers forget about the space under their vehicles which can cause them to.. Correct Answer-Get hung up TRUE OR FALSE