DMV PA - CDL General Knowledge Multiple Choice Test Questions

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Tibrious
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1546
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DMV PA - CDL General Knowledge Multiple Choice Test Questions
Updated:
2009-12-02 04:36:55
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Pennsylvania Department of Motor Vehicles; DMV; Commercial Drivers License; CDL; General Knowledge Test; Multiple Choice
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Multiple Choice Test Questions (and answers,) for the General Knowledge portion of the Commercial Drivers License Exam of Pennsylvania.
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  1. 1. An enroute inspection should include checking for:

    a. Cargo Securement
    b. Brake Overheating
    c. Tire Overheating
    d. All of the above
    d. All of the above
  2. 2. You are checking your tires for a pre-trip inspection. Which of these statements is true?

    a. Tires of mismatched sizes should not be used on the same vehicle.
    b. Dual tires should be touching each other.
    c. 2/32 inch tread depth is safe for the front tires.
    d. Radial and bias-ply tires can be used together on the same vehicle.
    a. Tires of mismatched sizes should not be used on the same vehicle.
  3. 3. You are checking your steering and exhaust systems in a pre-trip inspection. Which of these problems, if found, should be fixed before the vehicle is driven?

    a. Steering wheel play of more than 10 degrees (2 inches on a 20-inch steering wheel).
    b. Leaks in the exhaust system.
    c. A small leak of power steering fluid.
    d. All of the above.
    d. All of the above.
  4. 4. You are checking your wheels and rims for a pre-trip inspection. Which of these statements is true?

    a. Cracked wheels or rims can be used if they have been welded.
    b. A vehicle can be safely driven with one missing lug nut on a wheel.
    c. Rust around wheel nuts may mean that they are loose.
    d. Mismatched lock rings can be used on the same vehicle.
    c. Rust around wheel nuts may mean that they are loose.
  5. 5. Which of these is not part of the pre-trip inspection of the engine compartment?

    a. Engine oil level
    b. Valve Clearance
    c. Condition of hoses.
    d. Worn electrical wiring insulation
    b. Valve Clearance
  6. 6. Which of these pieces of emergency equipment should always be carried in your vehicle.

    a. Warning devices for parked vehicles.
    b. Fire extinguisher(s).
    c. Spare electrical fuses (if the vehicle uses them).
    d. All of the above.
    d. All of the above.
  7. 7. You are checking your brakes and suspension system for a pre-trip inspection. Which of these statements is true?

    a. Brake pads should not have brake fluid on them.
    b. One missing leaf in a leaf spring can be dangerous.
    c. Brake shoes should not have oil, grease, or brake fluid on them.
    d. All of the above are true.
    d. All of the above are true.
  8. 8. Which of these items is checked in a pre-trip inspection?

    a. Wiper blades.
    b. Cargo securement.
    c. Whether all vehicle lights are working and are clean.
    d. All of the above.
    d. All of the above.
  9. 9. Your vehicle has hydraulic brakes. While traveling on a level road, you press the brake pedal and find that it goes to the floor. Which of these statements is true?

    a. You should not downshift if you have an automatic transmission.
    b. The parking brake will not work either because it is part of the same hydraulic system.
    c. Pumping the brake pedal may bring the pressure up so you can stop the vehicle.
    d. All of the above are true.
    c. Pumping the brake pedal may bring the pressure up so you can stop the vehicle.
  10. 10. You are starting your vehicle to move forward from a stop. As you apply power to the drive wheels, they start to spin. You should:

    a. Press harder on the accelerator.
    b. Take your foot off the accelerator and apply the brakes.
    c. Take your foot off the accelerator.
    d. Try a lower gear.
    c. Take your foot off the accelerator.
  11. 11. You are driving a heavy vehicle with a manual transmission. You have to stop the vehicle on the shoulder while driving on an uphill grade. Which of these is a good rule to follow when putting it back in motion up the grade?

    a. Let the vehicle roll backwards a few feet before you engage the clutch, but turn the wheel so that the back moves away from the roadway.
    b. Use the parking brake to hold the vehicle until the clutch engages.
    c. Let the vehicle roll straight backwards a few feet before you engage the clutch.
    d. Keep the clutch slipping while slowly accelerating.
    b. Use the parking brake to hold the vehicle until the clutch engages.
  12. 12. Which of these statements about accelerating is true?

    a. You should feel a "jerking" motion as you are accelerating your vehicle properly.
    b. When the traction is poor, more power should be applied to the accelerator.
    c. Rough acceleration can cause mechanical damage.
    d. All of the above are true.
    c. Rough acceleration can cause mechanical damage.
  13. 13. Which of these statements about backing a heavy vehicle is true?

    a. You should back and turn toward the driver's side whenever possible.
    b. You should use a helper and communicate with hand signals.
    c. Backing is always dangerous.
    d. All of the above are true.
    d. All of the above are true.
  14. 14. What is the proper way to hold a steering wheel?

    a. With both hands close together, near the bottom of the wheel.
    b. With both hands close together, near the top of the wheel.
    c. With one hand.
    d. With both hands, on opposite sides of the wheel.
    d. With both hands, on opposite sides of the wheel.
  15. 15. Which of these statements about backing a heavy vehicle is true?

    a. It is safer to back toward the right side of the vehicle than toward the driver's side.
    b. Helpers should be out of the driver's sight and use only voice (spoken) signals to communicate with the driver.
    c. You should avoid backing whenever you can.
    d. All of the above are true.
    C. You should avoid backing whenever you can.





  16. 16. The purpose of retarders is to:

    a. Help slow the vehicle while driving and reduce brake wear.
    b. Help prevent skids.
    c. Apply extra braking power to the non-drive axies.
    d. Provide emergency brakes.
    a. Help slow the vehicle while driving and reduce brake wear.
  17. 17. Retarders:

    a. Cause extra brake wear.
    b. Allow you to disconnect the steering axle brakes.
    c. Can cause the drive wheels to skid when they have poor traction.
    d. Cannot be used on interstate Highways.
    c. Can cause the drive wheels to skid when they have poor traction.
  18. 18. Which of these statements about downshifting is true?

    a. When you downshift for a hill, you should do so after you start down the hill.
    b. When you downshift for a curve, you should do so before you enter the curve.
    c. When double-clutching, you should let the rpms decrease while the clutch is released and the shift lever is in neutral.
    d. All of the above are true.
    b. When you downshift for a curve, you should do so before you enter the curve.
  19. 19. Which of these statements about double-clutching is true?

    a. You can use the tachometer to tell you when to shift.
    b. Double-clutching should only be used with a heavy load.
    c. Double-clutching should not be used when the road is slippery.
    d. If you miss a gear while upshifting, you must bring the vehicle to a stop.
    a. You can use the tachometer to tell you when to shift.
  20. 20. Which of these is a good thing to remember about using mirrors?

    a. You should check your mirrors twice for a lane change.
    b. There are "blind spots" that your mirror cannot show you.
    c. Convex mirrors make things look larger and closer than they really are.
    d. You should look at a mirror for several seconds at a time.
    b. There are "blind spots" that your mirror cannot show you.
  21. 21. You should use your mirrors to check:

    a. The condition of your tires.
    b. Where the rear of your vehicle is while you make turns.
    c. Traffic gaps when merging.
    d. All of the above.
    d. All of the above.
  22. 22. The distance that you should look ahead of your vehicle while driving amounts to about ____ mile at highway speed.

    a. 1/12
    b. 1/8
    c. 1/4
    d. 3/4
    c. 1/4
  23. 23. For your safety, when setting out reflective triangles you should:

    a. Carry the triangles at your side.
    b. Hold the triangles between yourself and oncoming traffic.
    c. Keep them out of sight while you walk to the spots where you set them out.
    d. Turn off your flashers.
    b. Hold the triangles between yourself and oncoming traffic.
  24. 24. The Drivers Manual suggests several things to do when you pass a vehicle. Which of these is not one of them?

    a. Lightly tap your horn.
    b. Assume the other driver does not see you.
    c. Drive carefully to avoid a crash.
    d. At night, turn on your high beams before you start to pass and leave them on until you have completely passed the vehicle.
    d. At night, turn on your high beams before you start to pass and leave them on until you have completely passed the vehicle.
  25. 25. Which of these statements about using turn signals is true?

    a. When turning, you should cancel the signal just before you make the turn.
    b. When turning, you should signal early.
    c. You do not need to use your turn signal when changing lanes in traffic on a four-lane highway.
    d. You should use your turn signal to mark your vehicle when it is pulled off on the side of the road.
    b. When turning, you should signal early.
  26. 26. You must park on the side of a level, straight, four-lane, divided highway. Where should you place the reflective triangles?

    a. One within 10 feet of the rear of the vehicle, one about 100 feet to the rear, and one about 100 feet to the front of the vehicle.

    b. One within 10 feet of the rear of the vehicle, one about 100 feet to the rear, and one about 200 feet to the rear.

    c. One within 10 feet of the front of the vehicle, one about 200 feet to the front, and one about 100 feet to the rear.

    d. One within 50 feet of the rear of the vehicle, one about 100 feet to the rear, and one about 100 feet to the front of the vehicle.
    b. One within 10 feet of the rear of the vehicle, one about 100 feet to the rear, and one about 200 feet to the rear.
  27. 27. According to the Drivers Manual, why should you limit the use of your horn?

    a. On vehicles with air brakes, it can use air pressure that may be needed to stop.
    b. It can startle other drivers.
    c. The horn is not a good way to let others know you're there.
    d. You should keep both hands lightly gripping the steering wheel at all times.
    b. It can startle other drivers.
  28. 28. Which of these is a proper use of vehicle lights?

    a. Turning on your headlights during the day when visibility is reduced due to rain or snow.
    b. Flashing your brake lights to warn someone behind you of a hazard that will require slowing down.
    c. Flashing your brake lights to warn someone behind you that you are going to stop on the road.
    d. All of the above.
    d. All of the above.
  29. 29. Which of these statements about speed management is true?

    a. The vehicle's taillights should be kept on to warn other drivers.
    b. You do not need to put out reflective triangles unless the vehicle will be stopped for 30 minutes or more.
    c. If a hill or curve keeps drivers behind you from seeing the vehicle within 500 feet, the rear reflective triangle should be moved back down the road to give adequate warning.
    d. All of the above are true.
    c. If a hill or curve keeps drivers behind you from seeing the vehicle within 500 feet, the rear reflective triangle should be moved back down the road to give adequate warning.
  30. 30. Which of these statements about speed management is true?

    a. You should choose a speed that lets you stop within the distance that you can see ahead.
    b. When you double your speed (go twice as fast), it will take twice the distance to stop.
    c. Empty trucks always stop in a shorter distance than fully loaded ones.
    d. You should always brake during curves.
    b. When you double your speed (go twice as fast), it will take twice the distance to stop.
  31. 31. You are driving a vehicle at 55 mph on dry pavement. About how much total stopping distance will you need to bring it to a stop?

    a. The length of a football field.
    b. The length of the vehicle.
    c. Twice the length of the vehicle.
    d. Half the length of a football field.
    a. The length of a football field.
  32. 32. Hydroplaning:

    a. Only occurs when there is a lot of water.
    b. Only occurs at speeds above 55 mph.
    c. Is more likely if tire pressure is low.
    d. Cannot occur when driving through a puddle.
    c. Is more likely if tire pressure is low.
  33. 33. You should avoid driving through deep puddles or flowing water. But if you must, which of these steps can help keep your brakes working?

    a. Turning on your brake heaters.
    b. Drive through quickly
    c. Gently putting on the brakes while driving through the water.
    d. Applying hard pressure on both the brake pedal and accelerator after coming out of the water.
    c. Gently putting on the brakes while driving through the water.
  34. 34. Which of these statements about speed management is true?

    a. On a wet road, you should reduce your speed by about one-third.
    b. On packed snow, you should reduce your speed by at least one-half.
    c. When the road is slippery, it will take longer to stop and it will be harder to turn without skidding.
    d. All of the above are true.
    d. All of the above are true.
  35. 35. Which of these statements about brakes is true?

    a. Brakes have more stopping power when they get very hot.
    b. Brake drums cool very quickly when the vehicle is moving very fast.
    c. The heavier a vehicle is, or the faster it is moving, the more heat the brakes have to absorb to stop it.
    d. All of the above are true.
    c. The heavier a vehicle is, or the faster it is moving, the more heat the brakes have to absorb to stop it.
  36. 36. You are driving a vehicle that could safely be driven at 55 mph on an open road. But traffic is now heavy, moving at 35 mph though the speed limit is 55. The safest speed for your vehicle is most likely:

    a. 25 mph
    b. 35 mph
    c. 45 mph
    d. 55 mph
    b. 35 mph
  37. 37. You wish to turn right from one two-lane street to another. Your vehicle is so long that you must swing wide to make the turn. Which of these figures shows how the turn should be made?




    a. Figure D
    b. Figure C
    c. Figure B
    d. Figure A
    C. Figure B






  38. 38. If you are being tailgated, you should:

    a. Signal the tailgater when it is safe to pass you.
    b. Increase your following distance.
    c. Flash your brake lights.
    d. Speed up.
    b. Increase your following distance.
  39. 39. Which of these is a good thing to remember when crossing or entering traffic with a heavy vehicle?

    a. The best way to cross traffic is to pull the vehicle partially across the road and block one lane while waiting for the other to clear.
    b. Heavy vehicles need more space in traffic than cars.
    c. Because heavy vehicles are easy to see, you can count on other drivers to move out of your way or slow down for you.
    d. The heavier your load, the smaller the gap needed to cross traffic.
    b. Heavy vehicles need more space in traffic than cars.
  40. 40. For this item, refer to the figure at the right. You are driving a long vehicle that makes wide turns. You want to make a left turn from Elm Street onto Oak Street. There are two left turn lanes (marked "A" and "B") on Elm Street, and Oak Street is a four-lane street with two lanes in each direction. You should:



    a. Use left turn lane "A"
    b. Start in left turn lane "B" and swing into left turn lane "A"
    just before entering the intersection.
    c. Start in left turn lane "A" and swing into left lane "B"
    just before entering the intersection.
    d. Use left turn lane "B"
    d. Use left turn lane "B"


  41. 41. For this item, refer to the figure below. You are driving a tractor-trailer rig. You want to turn left from Pine Street onto Cedar Street. Both are two-lane, two way streets. You should:



    a. Turn into the left lane of Cedar Street and then move to the right lane when the traffic is clear.
    b. Begin the turn with your vehicle in the left lane of Pine Street.
    c. Begin turning your vehicle when you are halfway through the intersection.
    d. Begin your turn as soon as your vehicle enters the intersection.
    c. Begin turning your vehicle when you are halfway through the intersection.


  42. 42. You are driving a 40-foot vehicle at 35 mph. The road is dry and visibility is good. What is the least amount of space that you should keep in front of your vehicle to be safe?

    a. 2 seconds
    b. 3 seconds
    c. 5 seconds
    d. 4 seconds
    d. 4 seconds
  43. 43. How far should a driver look ahead of the vehicle while driving?

    a. 3-7 seconds
    b. 5-8 seconds
    c. 12-15 seconds
    d. 18-21 seconds
    c. 12-15 seconds
  44. 44. Which of these statements about overhead clearance is true?

    a. If the road surface causes your vehicle to tilt toward objects at the edge of the road, you should drive close to the shoulder.
    b. The weight of a vehicle changes its height.
    c. You should assume posted clearance signs are correct.
    d. Extra speed will cause air to push your vehicle down for extra clearance.
    b. The weight of a vehicle changes its height.
  45. 45. Which of these statements about driving in areas with strong winds is true?

    a. You should drive alongside other vehicles to help break up the wind.
    b. The lighter your vehicle, the less trouble you will have with the wind.
    c. Winds are especially a problem when coming out of tunnels.
    d. You can lessen the effect of the wind by letting some air out of your tires.
    c. Winds are especially a problem when coming out of tunnels.
  46. 46. Which of these is a good thing to do when driving at night?

    a. Wear sun glasses.
    b. Look directly at oncoming headlights only briefly.
    c. Keep your speed slow enough that you can stop within the range of your headlights.
    d. Keep your instrument lights bright.
    c. Keep your speed slow enough that you can stop within the range of your headlights.
  47. 47. High beams should be:

    a. Used when it is safe and legal to do so.
    b. Turned on when an oncoming driver does not dim his/her lights.
    c. Adjust your speed to keep your stopping distance within your sight distance.
    d. All of the above.
    a. Used when it is safe and legal to do so.
  48. 48. When driving at night, you should:

    a. Drive faster when your low beams are on.
    b. Look to the left side of the road when a vehicle is coming toward you.
    c. Adjust your speed to keep your stopping distance within your sight distance.
    d. All of the above.
    c. Adjust your speed to keep your stopping distance within your sight distance.
  49. 49. When the roads are slippery, you should:

    a. Decrease the distance that you look ahead of your vehicle.
    b. Stop and test the traction while going up hills.
    c. Make turns as gently as possible.
    d. Drive alongside other vehicles.
    c. Make turns as gently as possible.
  50. 50. You are driving on a slippery road. Which of these is a good thing to do in such a situation?

    a. Shorten your following distance
    b. Apply the brakes while in curve.
    c. Slow down gradually.
    d. All of the above.
    c. Slow down gradually.
  51. 51. The road you are driving on becomes very slippery due to glare ice. Which of these is a good thing to do in such a situation?

    a. Downshift to stop
    b. Apply the brakes often to keep the linings dry.
    c. Keep varying your speed by accelerating and braking.
    d. Stop driving as soon as you can safely do so.
    d. Stop driving as soon as you can safely do so.
  52. 52. Which of these statements about cold-weather driving is true?

    a. Exhaust system leaks are less dangerous in cold weather.
    b. An engine cannot overheat when the weather is very cold.
    c. Windshield washer antifreeze should be used.
    d. In snowstorms, wiper blades should be adjusted so that they do not make direct contact with the windshield.
    c. Windshield washer antifreeze should be used.
  53. 53. Which of these statements about tires and hot-weather driving is true?

    a. If a tire is too hot to touch, you should drive on it to cool it off.
    b. The air pressure of a tire decreases as the temperature of the tire increases.
    c. You should inspect your tires every two hours or every 100 miles when driving in very hot weather.
    d. All of the above are true.
    c. You should inspect your tires every two hours or every 100 miles when driving in very hot weather.
  54. 54. What will help keep an engine cool in hot weather?

    a. Making sure the engine has the right amount of oil.
    b. Avoiding high-speed driving.
    c. Proper V-belt tightness.
    d. All of the above.
    d. All of the above.
  55. 55. Which of these statements about engine overheating is true?

    a. If your engine overheats within 20 miles of the end of your trip, you should complete the trip and then check the problem.
    b. Antifreeze is not needed when the weather is warm.
    c. You should never shut off an overheated engine until it cools.
    d. You should never remove the radiator cap on a pressurized system until the system has cooled.
    d. You should never remove the radiator cap on a pressurized system until the system has cooled.
  56. 56. Brake "fade":

    a. Is a problem that only occurs with drum brakes.
    b. Can be caused by the brakes getting very hot.
    c. Can be corrected by letting up on the brakes for 1 to 2 seconds and then reapplying them.
    d. All of the above.
    b. Can be caused by the brakes getting very hot.
  57. 57. You are driving a new truck with a manual transmission. What gear will you probably have to use to take a long, steep downhill grade?

    a. None; newer trucks can coast down hills.
    b. A higher gear than you would use to climb the hill.
    c. The same gear you would use to climb the hill.
    d. A lower gear than you would use to climb the hill.
    d. A lower gear than you would use to climb the hill.
  58. 58. Which of these best describes how you should use the brake pedal on a steep downhill grade?

    a. With stronger pressure as the vehicle goes downhill.
    b. Pumping action.
    c. Light, steady pressure to reduce your speed until it has been reduced to approximately five mph below your "safe" speed.
    d. Repeated strong pressure, then release.
    c. Light, steady pressure to reduce your speed until it has been reduced to approximately five mph below your "safe" speed.
  59. 59. When driving through work zones, you should:

    a. Drive slowly.
    b. Use your brake lights to warn drivers behind you.
    c. Turn on your flashers.
    d. All of the above.
    d. All of the above.
  60. 60. You are driving on a two-lane road. An oncoming driver drifts into your lane and is headed straight for you. Which of these is most often the best action to take?

    a. Steer into the oncoming lane.
    b. Steer to the right.
    c. Steer onto the left shoulder.
    d. Hard braking.
    b. Steer to the right.
  61. 61. You are driving a tractor-trailer rig. You must exit a highway using on off-ramp that curves downhill. You should:

    a. Slow down to a safe speed before the curve.
    b. Slow to the posted speed limit for the off-ramp.
    c. Wait until you are in the curve before downshifting.
    d. Come to a full stop at the top of the ramp.
    a. Slow down to a safe speed before the curve.
  62. 62. You can see a marking on a vehicle ahead of you. The marking is a red triangle with an orange center. What does the marking mean?

    a. It is a law enforcement vehicle.
    b. It is being driven by a student driver.
    c. The vehicle is hauling hazardous materials.
    d. It may be a slow-moving vehicle.
    d. It may be a slow-moving vehicle.
  63. 63. Truck escape ramps:

    a. Help avoid damage to vehicles.
    b. Should not be used if brakes fail on a downgrade.
    c. Cannot be used by certain types of heavy vehicles.
    d. All of the above.
    a. Help avoid damage to vehicles.
  64. 64. Which of these is a sign of tire failure?

    a. Vibration
    b. Steering that feels heavy
    c. A loud "Bang"
    d. All of the above
    d. All of the above
  65. 65. Which of these is the most important thing to remember about emergency braking?

    a. If the wheels are skidding, you cannot control the vehicle.
    b. Never do it without downshifting first.
    c. Disconnecting the steering axle brakes will help keep your vehicle in a straight line during emergency braking.
    d. It helps keep the brake linings clean.
    a. If the wheels are skidding, you cannot control the vehicle.
  66. 66. Escape ramps are:

    a. Designed to prevent injury to drivers and passengers.
    b. Designed to prevent damage to vehicles.
    c. Used to stop runaway vehicles.
    d. All of the above.
    d. All of the above.
  67. 67. You are driving on a straight, level highway at 50 mph. There are no vehicles in front of you. Suddenly a tire blows out on your vehicle. What should you do first?

    a. Stay off the brake until your vehicle has slowed down.
    b. Begin light braking.
    c. Quickly steer onto the shoulder.
    d. Begin emergency braking.
    a. Stay off the brake until your vehicle has slowed down.
  68. 68. Which of these is a good thing to do when steering to avoid a crash?

    a. Avoid countersteering.
    b. Don't turn any more than needed to clear what is in your way.
    c. Steer with one hand so that you can turn the wheel more quickly.
    d. Apply the brakes while turning.
    b. Don't turn any more than needed to clear what is in your way.
  69. 69. To avoid a crash, you had to drive onto the right shoulder. You are now driving at 45 mph on the shoulder. How should you move back onto the pavement?

    a. Steer sharply onto the pavement, then brake hard as you countersteer.
    b. Brake hard to slow the vehicle, then steer sharply on the pavement.
    c. If the shoulder is clear, stay on it until your vehicle has come to a stop. Then move back onto the pavement when it is safe.
    d. Keep moving at the present speed and steer very gently back onto the pavement.
    c. If the shoulder is clear, stay on it until your vehicle has come to a stop. Then move back onto the pavement when it is safe.
  70. 70. If you need to leave the road in a traffic emergency, you should:

    a. Try to get all wheels off the pavement.
    b. Brake hard as you leave the road.
    c. Avoid braking until your speed has dropped to about 20 mph.
    d. Avoid the shoulder because most shoulders will not support a large vehicle.
    c. Avoid braking until your speed has dropped to about 20 mph.
  71. 71. Your vehicle is in a traffic emergency and may collide with another vehicle if you do not take action. Which of these is a good rule to remember at such a time?

    a. You can almost always turn to miss an obstacle more quickly than you can stop.
    b. Stopping is always the safest action in a traffic emergency.
    c. Leaving the road is always more risky than hitting another vehicle.
    d. Unbuckle your safety belt before impact so you will not be trapped inside your vehicle.
    a. You can almost always turn to miss an obstacle more quickly than you can stop.
  72. 72. Controlled braking:

    a. Can be used while you are turning sharply.
    b. Is used to keep a vehicle in a straight line when braking.
    c. Involves locking the wheels for short periods of time.
    d. All of the above.
    b. Is used to keep a vehicle in a straight line when braking.
  73. 73. To correct a drive-wheel braking skid, you should:

    a. Stop braking.
    b. Stop braking, turn quickly, and countersteer.
    c. Increase braking.
    d. Increase braking, turn quickly, and countersteer.
    b. Stop braking, turn quickly, and countersteer.
  74. 74. How do you correct a rear-wheel acceleration skid?

    a. Apply more power to the wheels.
    b. Stop accelerating.
    c. Apply the brakes.
    d. Downshift.
    b. Stop accelerating.
  75. 75. Which of these can cause a vehicle to skid?

    a. Not enough weight on the front axle.
    b. Turning too sharply.
    c. Overacceleration.
    d. All of the above.
    d. All of the above.
  76. 76. If a straight vehicle (no trailer or articulation) goes into a front-wheel skid, it will:

    a. Slide-sideways somewhat, but not spin out.
    b. Go straight ahead but will turn if you turn the steering wheel.
    c. Go straight ahead even if the steering wheel is turned.
    d. Slide sideways and spin out.
    c. Go straight ahead even if the steering wheel is turned.
  77. 77. What is countersteering?

    a. Turning the wheel back in the other direction after steering to avoid a traffic emergency.
    b. Turning the steering wheel counterclockwise.
    c. Using the steering axle brakes to prevent oversteering.
    d. Steering in the opposite direction from what other drivers expect you to do.
    a. Turning the wheel back in the other direction after steering to avoid a traffic emergency.
  78. 78. Which of these is not a good rule to follow when caring for the injured at an accident scene?

    a. If a qualified person is helping them, stay out of the way unless asked to assist.
    b. Stop heavy bleeding by applying direct pressure to the wound.
    c. Keep injured persons cool.
    d. Move severely injured persons if there is a danger due to fire or passing traffic.
    c. Keep injured persons cool.
  79. 79. Which of these can cause a fire?

    a. Electrical short circuits.
    b. Under-inflated tires.
    c. Loose fuel connections.
    d. All of the above.
    d. All of the above.
  80. 80. On which fires can you use the "A-B-C" fire extinguisher?

    a. Burning liquids
    b. burning cloth
    c. Electrical fires
    d. All of the above
    d. All of the above
  81. 81. Which fires can you use water to put out?

    a. Tire fires
    b. Gasoline fires
    c. Electrical fires
    d. All of the above
    a. Tire fires
  82. 82. Which of these statements about vehicle fires is true?

    a. A burning tire should be cooled with water.
    b. If your engine is on fire, you should open the hood as soon as you can.
    c. If a trailer is on fire, you should drive fast to put the flames out.
    d. If cargo in a van or box trailer catches on fire, you should open the cargo doors.
    a. A burning tire should be cooled with water.
  83. 83. To help you stay alert while driving, you should:

    a. Schedule trips for hours that you are normally asleep.
    b. Take short breaks before you are drowsy.
    c. Take cold medicine if you have a cold.
    d. Do all of the above.
    b. Take short breaks before you are drowsy.
  84. 84. You should stop driving:

    a. after 8 hours
    b. after 7 hours
    c. after 11 hours
    d. whenever you become sleepy
    d. whenever you become sleepy
  85. 85. Which of these statements about staying alert to drive is true?

    a. Sleep is the only thing that can overcome fatigue.
    b. If you must stop to take a nap, it should be at a truck stop or other rest area-never on the side of the road.
    c. There are drugs that can overcome being tired.
    d. A half-hour break for coffee will do more to keep you alert than a half-hour nap.
    a. Sleep is the only thing that can overcome fatigue.
  86. 86. Which of these statements about drugs is true?

    a. A driver can use any prescription drug while driving.
    b. Amphetamines ("pep pills" or "bennies") can be used to help the driver stay alert.
    c. Use of drugs can lead to accidents and/or arrest.
    d. All of the above are true.
    c. Use of drugs can lead to accidents and/or arrest.
  87. 87. Which of these is a good thing to remember about drinking alcohol?

    a. The chance of a crash is much greater for drivers who have been drinking than for drivers who were not.
    b. A driver can lose his/her license for driving while drunk.
    c. Alcohol first affects judgement and self-control which are necessary for safe driving.
    d. All of the above.
    d. All of the above.
  88. 88. As the Blood Alcohol Concentration (BAC) goes up, what happens?

    a. The effects of alcohol decrease.
    b. Judgement and self-control are affected.
    c. The drinker can sober up in less time.
    d. The drinker more clearly sees how alcohol is affecting him/her.
    b. Judgement and self-control are affected.
  89. 89. You do not have a Haz-Mat Endorsement on your Commercial Driver's License. You can drive a vehicle hauling hazardous materials when:

    a. The shipment will not cross state lines.
    b. The GVWR is 26,001 pounds or less.
    c. The vehicle does not require placards.
    d. A person who has the Haz-Mat Endorsement rides with you.
    c. The vehicle does not require placards.
  90. 90. Which of these would tell you that a shipment contains hazardous materials?

    a. A four-inch diamond-shaped hazardous materials label on the container.
    b. A hazardous materials placard on the vehicle.
    c. The name of a hazard class on the shipping paper.
    d. All of the above.
    d. All of the above.
  91. 91. You do not have a Haz-Mat Endorsement on your Commercial Driver's License. You are asked to deliver hazardous materials in a placarded vehicle. You should:

    a. Refuse to haul the load.
    b. Haul the load, but file a report with the Department of Transportation after the trip.
    c. Haul the load, but only to the nearest place where a driver with a Hazardous Materials Endorsement can take over.
    d. Take the placards off the vehicle.
    a. Refuse to haul the load.
  92. 92. Which of these statements about cargo loading is true?

    a. The legal maximum weight allowed by a state can be considered safe for all driving conditions.
    b. Slight overloading of a vehicle can make its brakes work better.
    c. State laws dictate legal weight limits.
    d. If cargo is loaded by the shipper, the driver is not responsible for overloading.
    c. State laws dictate legal weight limits.
  93. 93. The center of gravity of a load:

    a. Should be kept as high as possible.
    b. Can make a vehicle more likely to tip over on curves if it is high.
    c. Is only a problem if the vehicle is overloaded.
    d. All of the above
    b. Can make a vehicle more likely to tip over on curves if it is high.
  94. 94. A key principle to remember about loading cargo is to keep the load:

    a. To the front.
    b. To the rear.
    c. As high as possible.
    d. Balanced in the cargo area.
    d. Balanced in the cargo area.
  95. 95. Cargo that is not loaded or secured properly can cause:

    a. Injury to the driver during a quick stop or crash.
    b. Other highway users to hit or be hit by loose cargo.
    c. Vehicle damage by overloading.
    d. All of the above.
    d. All of the above.
  96. 96. Which of these statements about certain types of cargo is true?

    a. Loads that consist of liquids in bulk do not cause handling problems because they are usually very heavy.
    b. When liquids are hauled, the tank should always be loaded totally full.
    c. Oversize loads can be hauled without special permits during times when the roads are not busy.
    d. Unstable loads such as hanging meat or livestock can require extra caution on curves.
    d. Unstable loads such as hanging meat or livestock can require extra caution on curves.
  97. 97. BAC (Blood Alcohol Concentration) is used to measure a person's:

    a. Height
    b. Weight
    c. Age
    d. Tolerance level
    • b. Weight
    • Explanation: Measuring a person's Blood Alcohol Concentration, or BAC, is done so by measuring his/her body weight. For example, a 185 lbs. male can consume 3 cans of beer for one hour, and one additional can of beer for each hour afterward without feeling inebriated (drunk.) However, as a professional truck driver, its best to avoid the consumption of alcohol at all costs while "on the clock."
  98. 98. Dry Bulk, Hanging Meat, _______, and Oversized Loads are other types of cargo that need special attention:

    a. Header Boards
    b. Livestock
    c. Sealed and Containerized Loads
    d. Blocks and Braces
    b. Livestock
  99. 99. A first time DUI offender will lose his/her CDL for how long?

    a. One Year
    b. Six Months
    c. Two Years
    a. One Year
  100. 100. Granted, it is advised that a CDL driver look ahead by 1/4 of a mile at highway speed, how far ahead should he/she look ahead at normal speed?

    a. 2 City Blocks
    b. 12-15 Seconds
    c. 18-21 Seconds
    d. 1 City Block
    d. 1 City Block
  101. 101. In the State of Pennsylvania, Implied consent means:

    a. The Police Officer must ask for your verbal permission before testing you for Blood Alcohol Concentration (BAC) Level.
    b. You have agreed to take a chemical test of breath, blood, or urine, just by being licensed to drive in Pennsylvania.
    c. You have agreed to take a chemical test of breath, blood, or urine, whether or not you are licensed to drive in Pennsylvania.
    d. Your consent is implied.
    b. You have agreed to take a chemical test of breath, blood, or urine, just by being licensed to drive in Pennsylvania.

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