CDL Permit Quiz

General Knowledge 1 CDL Test Nebraska
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1. If you have a heavy load that is slowing you down on an upgrade you should:
  • Shift into a lower gear.

  • Exit the road until traffic is lighter.

  • Drive on the shoulder so others can pass easily.

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2. To prevent a load from shifting, there should be at least one tiedown for every _______ feet of cargo.
  • 10

  • 15

  • 20

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3. When a coolant container is part of a pressurized system, which of these is true?
  • The radiator cap can safely removed and coolant added while the engine is hot.

  • You never need to check the antifreeze in such a system.

  • You can check the coolant level of a hot engine.

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4. When driving at night, you should use your low beams when an oncoming vehicle is within:
  • 300 feet.

  • 400 feet.

  • 500 feet.

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5. If your vehicle catches fire while you are driving, you should:
  • Park in an open area.

  • Park where a building or trees shelter your vehicle from the wind.

  • Increase your speed to put out the flames.

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6. Aggressive driving is:
  • Driving a vehicle with the intent to do harm to others.

  • Driving a vehicle in a selfish, bold or pushy manner.

  • Driving a vehicle when your full attention is not on driving.

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7. Which of these is true about hours of service?
  • After you have put in 1000 hours of service you will be exempt from certain regulations.

  • You should balance your hour of service with enough sleep to keep you alert.

  • You must take a break after every 2 hours of driving.

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8. Which of these is true about proper use of a steering wheel?
  • If you do not have both hands on the wheel, the wheel could pull away from you.

  • Once you have reached a "cruising speed" on a highway, you can drive with one hand on the wheel.

  • Only when attempting a difficult turn must you use both hands on the wheel.

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9. Which of these is NOT a type of retarder?
  • Electric.

  • Hydraulic.

  • Robotic.

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10. Which of the following is recommended as a way of preventing fatigue on a long trip?
  • Stop periodically for rest and exercise.

  • Keep the vehicle closed and heated.

  • Take an over-the-counter stimulant.

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11. According to the Driver's Manual, why should you limit the use of your horn?
  • It can startle other drivers.

  • On vehicles with air brakes, it can use air pressure that may be needed to stop.

  • You should keep a firm grip on the steering wheel with both hands at all times.

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12. When the roads are slippery, you should:
  • Make turns as gently as possible.

  • Stop and test the traction while going uphill.

  • Decrease the distance that you look ahead of your vehicle.

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13. Whenever you double your speed, it takes about ________ times as much distance to stop.
  • two

  • three

  • four

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14. When you confronted by an aggressive driver, you should:
  • Gesture that you make a mistake.

  • Make every attempt to get out of their way.

  • Maintain your position.

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15. When exiting or entering on a curved freeway ramp, you should:
  • Maintain a speed 5-10 mph under the posted speed limit.

  • Maintain the posted speed limit.

  • Slow down to at least 50% of the posted speed limit.

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16. The distance that you should look ahead of your vehicle while driving is about____at low speed.
  • one block

  • two blocks

  • half block

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17. You should signal continuously while turning because:
  • You need both hands on the wheel to turn the wheel to turn safely.

  • It is illegal to turn off your signal before completing the turn.

  • Most vehicle have self-canceling signals.

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18. Why is a broken exhaust system dangerous?
  • poison fumes could enter into the cab or sleeper berth.

  • You could pollute the air with the exhaust smoke.

  • Loud noise could damage the driver's ears.

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19. Which of these happens when a tire blows out at highway?
  • A vibrating feeling.

  • A hissing sound.

  • A rapid drop in speed to less then 20mph.

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20. During a vehicle inspection, checking the ______________ will NOT help prevent a fire?
  • cargo ventilation

  • battery fluid level

  • electrical system insulation

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21. What is countersteering?
  • Turning the steering wheel counterclockwise.

  • Using the steering axle brakes to prevent oversteering.

  • Turning the wheel back in the other direction after steering to avoid a traffic emergency.

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22. When you are driving on a snow-packed road, you should reduce your speed by:
  • 1/4.

  • 1/3.

  • 1/2.

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23. Which statement is true about using engine braking?
  • It creates extra heat between the brake shoes or pads and drum(s) or disks.

  • You should NOT use engine breaking as the main way to control speed.

  • The use of brakes on a downgrade adds to the braking effect of the engine.

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24. When driving in cold weather, your tire tread should:
  • Provide enough traction in to steer and push the vehicle through snow.

  • Be double the depth required in normal weather.

  • Be checked every 100 miles or every two hours.

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25. If you have been drinking alcohol, before you drive, you should:
  • Drink coffee.

  • Take a cold shower.

  • Wait for it to wear off.

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26. When there is a vehicle fire, get your vehicle off the road and:
  • Put out the fire.

  • Keep the fire from spreading.

  • Notify emergency services.

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27. When hydraulic brakes fail while driving, the system won't build up pressure and the brake pedal wi will feel spongy or go to the floor. What action should you take?
  • Push down on the brake pedal as hard as you can.

  • Pump the brake pedal to generate pressure.

  • Put the vehicle in neutral and set the parking brake.

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28. Which of these should be tested on the vehicle to stopped?
  • Service brake.

  • Parking brake.

  • Hydraulic brakes.

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29. Escape ramps:
  • Should be used by any driver who looses braking power.

  • Are not designed for tractors-double trailers.

  • Are designed to slow vehicles so they can get back on the road at the safe speed.

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30. For your safety, when setting out reflective triangles you should:
  • Hold the triangles between yourself and oncoming traffic.

  • Keep them out of sight while you walk to the spots where you set them out.

  • Carry the triangles at your side.

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31. ABS (antilock brakes) brakes:
  • Give you more control over the vehicle when braking.

  • Increase the likelihood of jackknifing when braking.

  • Increase the likelihood of a rear wheel skid when braking.

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32. To correct a drive-wheel braking skid, you should:
  • Stop braking.

  • Stop braking, turn quickly, and countersteer.

  • Increase braking, turn quickly, and countersteer.

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33. To determine Blood Alcohol Concentration (BAC) for a person it is necessary to know:
  • How often the person drinks alcohol (tolerance level).

  • How much the person weighs.

  • How old the person is.

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34. You do NOT have a Hazardous Materials Endorsement on your Commercial Driver's License. You are asked to deliver hazardous materials in a placarded vehicle. You should:
  • Refuse to haul the load.

  • Haul the load, but only to the nearest place where a driver with a Hazardous Materials Endorsement can take over.

  • Haul the load, but file a report with the Department of Transportation after the trip.

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35. Which of these items is NOT checked for a pre- trip inspection?
  • Whatever all vehicle lights are working and are clean.

  • Amount of fuel in the vehicle.

  • Cargo securement.

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36. Which of the following is NOT a characteristic of a front tire failure?
  • Vehicle fishtail.

  • Steering wheel twisting.

  • Difficult steering.

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37. When driving at night, you should:
  • Look to the left side of the road when a vehicle is coming toward you.

  • Adjust your speed to keep your stopping distance within your sight distance.

  • Dim your lights within 300 feet of an oncoming vehicle.

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38. If you must cross into the oncoming line as you make a turn, you should:
  • Watch for an oncoming traffic.

  • Back up to allow the oncoming traffic to pass.

  • Complete your turn without stopping.

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39. How many red reflective triangles are you required to carry?
  • 2.

  • 3.

  • 4.

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40. Extra care is needed to keep your vehicle centered in your lane because commercial vehicles:
  • Require a lot of room to change lane.

  • Are often wider than other vehicles.

  • Tend to sway from time to time.

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41. Where should the ignition key be during the pre-trip inspection?
  • In your pocket.

  • In the ignition.

  • On the driver's seat.

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42. Why is it important to shift gears correctly?
  • Keep control of the vehicle.

  • Keep the engine warm.

  • Keep the engine oil flowing.

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43. For first offence of driving a commercial vehicle under the influence of alcohol or drugs, you will lose your CDL for at least _______.
  • 1 year

  • 6 months

  • 2 years

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44. Which of these is true about hazardous materials:
  • All public roads allow trucks carrying hazardous materials if they are loaded correctly.

  • All hazardous materials present a health and safety threat.

  • Every truck carrying any amount of hazardous materials must have placards.

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45. You should stop driving:
  • After 5 hours.

  • After 9 hours.

  • Whenever you become sleepy.

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46. "Implied consent" means:
  • You have giving your consent to inspection of your vehicle for alcohol.

  • It is understood that you may drink alcohol now and then.

  • You have given your consent to be tested for alcohol in your blood.

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47. To avoid a crash, you had to drive into the right shoulder. You are now driving at 40 mph on the shoulder. How should you move back onto the pavement?
  • 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.

  • Brake hard to slow the vehicle, then steer sharply onto the pavement.

  • Keep moving at the present speed and steer very gently back onto the pavement.

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48. There are several things to do when driving through a highway work zone. In addition to obeying the speed limit, which of these should you also do?
  • Turn off your 4-way flashers.

  • Decrease your speed even further for adverse weather.

  • Adjust your speed to traffic.

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49. Which of these is NOT required knowledge for drivers needing the hazardous material endorsement?
  • Basic chemistry.

  • Which products can be loaded together.

  • When to use the placards.

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50. Containerized loads:
  • Are not required to be inspected by a driver.

  • Should be supplied with their own tiedown devices or locks.

  • Generally used when freight is carried part way by rail or ship.

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