CDL Permit Quiz

General Knowledge 2 CDL Test Nebraska
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1. If your brakes fail on a downgrade, you must first:
  • Look outside your vehicle for another means of slowing it.

  • Hit some object in order to stop your vehicle.

  • Wait until you find an escape ramp to exit the roadway.

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2. Which of these statements about speed management is true?
  • Empty trucks always stop in a shorter distance than fully loaded ones.

  • When you double your speed (go twice as fast), it will take twice the distance to stop.

  • You should choose a speed that lets you stop within the distance that you can see ahead.

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3. Perception distance is the distance your vehicle travels from the time:
  • The eyes see a hazard to the time your foot pushes to the brake pedal.

  • The brain tells the foot to push the brake pedal to time the foot responses.

  • The eyes see a hazard to the time the brain knows it is a hazard.

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4. Which of these lights cannot be checked at the same time?
  • Turn signals, taillights, and clearance lights.

  • Turn signals, brake lights, and four-way flashers.

  • Headlights, brake lights, and clearance lights.

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5. A round, black on yellow warning sign means: (X)
  • Slow down, look and listen, and be prepared to stop if a train is ind be prepared approaching.

  • Low overpass ahead.

  • School crossing ahead.

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6. When loading a trailer, if the cargo is loaded all to the rear, it may result in:
  • Wheel lockup.

  • Damage to steering axle.

  • Poor traction on drive wheels.

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7. The bridge formula:
  • Permit less maximum axle weight weight for for the axles that are close together.

  • Permit less maximum axle weight for the axles that are far apart.

  • Permit the same maximum axle weight for any axle spacing.

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8. There are two types of jackknife, they are:
  • Trailer.

  • Tractor.

  • Both A and B.

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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?
  • Pumping the brake pedal may bring the pressing up so you can stop the vehicle.

  • The parking brake will not work either because it is a part of the same hydraulic system.

  • Shifting into neutral will help to slow the vehicle.

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10. Which of these statements about acceleration is true?
  • When traction is poor, more power should be applied to the accelerator.

  • Rough acceleration can cause mechanical damage.

  • You should feel a "jerking" motion if you are accelerating your vehicle properly.

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11. Fatigue:
  • It will go away by itself over period of time

  • It can only be paid off by sleeping.

  • Overcome it with willpower abd non-sleep aids.

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12. Which of these statements about shipping hazardous materials is true?
  • Gas cylinders that will not hold a label must be shipped under cover.

  • A diamond-shaped hazardous materials label must be on the container.

  • A circular, red hazardous material label must be on the container.

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13. Why tourists may be a hazard?
  • Police officers will not give then a ticket.

  • They often drive rental cars.

  • They may drive slowly and and make make sudde sudden stops or lane changes.

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14. You should use your mirrors to check _______.
  • blind spots

  • if you running lights are working properly

  • where the rear of your vehicle is while make turns ehicle is while you

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15. Which of the following is a sign of an aggressive driver?
  • Driving 10 or more miles-per-hour over the speed limit.

  • Changing lines frequently and abruptly without notice.

  • Driving in the center line.

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16. Which of these statements about downshifting is true?
  • When you downshift for a curve, you should do so before you enter the curve.

  • When you downshift for a curve, you should do so just after you enter the curve.

  • When double-clutching, you should let the rpms decrease while the clutch is released and the shift lever is in neutral.

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17. What should you do when you see a hazard in the roadway ahead of you?
  • Swerve around it and get back in your lane.

  • Stop quickly and pull to the side of the road.

  • Use your 4-way flashers or brake lights to warn others.

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18. How does vehicle weight affect stopping?
  • Fully loaded trucks take longer to stop or the buses loaded with passengers take less distance than empty ones.

  • It doesn't, brakes work the same no matter the weight of the vehicle for both trucks and buses.

  • Empty trucks take longer to stop than if loaded, but this is not the normally case for buses.

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19. Which of the following is a good way to react to an aggressive driver?
  • Give the driver the benefit of the doubt.

  • Changing the CD or have a snack.

  • Smoke a cigarette to relax.

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20. Your vehicle will be put out of service if _________ or more leaves in any leaf spring are missing.
  • One fourth (1/4).

  • One third (1/3).

  • One-half (1/2).

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21. Which of these is the most important thing to remember about emergency braking?
  • Never do it without downshifting first.

  • If the wheels are skidding, you cannot control your vehicle.

  • Disconnecting the steering axle brakes will help keep your vehicle in a straight line during emergency braking.

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22. You are checking your brakes and suspension system for a pre-trip inspection. Which of these statements is true?
  • Just one missing leaf spring is not dangerous.

  • Spring hangers that are cracked but still tight are not dangerous.

  • Brake shoes should not have oil , grease, or brake fluid on them.

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23. You must park on the side of a level, straight, four-lane divided highway. Where should you place the reflective triangles?
  • 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.

  • 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.

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

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24. What is the best advice for drivers when a heavy fog occurs?
  • Do not drive too slowly, or other drivers may hit you.

  • Park at a rest area or truck stop until the fog has gone.

  • Alternate your low and high beams to improve your vision.

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25. You are driving a heavy vehicle. You must exit a highway using an off-ramp that curves downhill. You should:
  • Slow to the posted speed limit for the off- ramp.

  • Slow down to 5 mph below the posted speed limit.

  • Slow down to 15 mph below the posted speed limit.

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26. You drive through the heavy rain or snow. You can hardly see what is going on outside. You can let the other drivers know about you by:
  • Using your horn.

  • Turning on inside cab lights.

  • Turning on the low-beam headlights.

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27. Which of these is a good thing to do when steering to avoid a crash?
  • Apply the brakes while turning.

  • Don't turn any more then needed to clear what is in you way.

  • Avoid countersteering.

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28. Which of these is NOT something you should do if your headlights are not working properly?
  • Leave on your high beams.

  • Clean the headlights.

  • Adjust the headlights.

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29. You are checking your wheels and rims for a pre-trip inspection. Which of these statements is true?
  • Rust around wheel nuts may mean that they are loose.

  • A vehicle can be safely driven with one missing lug nut on a wheel.

  • Mismatched lock rings can be used on the same vehicle.

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30. Which of these statements about driving in fog is true?
  • Stay as close behind a vehicle as possible so you can always see the vehicle.

  • Use high-beam headlights.

  • Assume that the fog will become thicker after you enter it.

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31. Controlled braking is:
  • Slamming on the brakes hard and making wheels lock up.

  • Squeezing the brakes firmly without locking them up.

  • Pressing brakes until wheel lock-up occurs, releasing and then reapplying.

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32. Which of these is NOT true?
  • Alcohol goes directly from the stomach to blood stream.

  • A drinker can control how fast his or her body absorbs and gets rid of alcohol.

  • BAC is determined by how fast you drink, how much you drink, and your weight.

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33. You are driving a car with ABS brakes, and see yellow light on a dashboard starts flashing during driving. It means:
  • Your vehicle ABS may not be functioning properly.

  • Your brake fluid may be low.

  • The roadway may be slick.

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34. How far should a driver look ahead of the vehicle while driving?
  • 5-8 seconds.

  • 12-15 seconds.

  • 18-21 seconds.

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35. When should you test you parking brake?
  • While moving at a very low speed.

  • While the vehicle is parked.

  • When backing.

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36. A vehicle is loaded with very little weight on the drive axle. What may happen?
  • Poor traction.

  • Damage to drive axle tires.

  • Better handling.

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37. When you passing the other vehicle, pedestrian, or bicycle, you should assume that:
  • They may move into your traffic lane.

  • They know you want to pass.

  • They see your vehicle.

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38. When driving a commercial vehicle with a height over 13 feet, you should:
  • Not worry about height clearance as long as you stay on state or federal highways.

  • Assume all clearances are high enough.

  • Stop and make sure that a clearance is high enough.

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39. You should use your horn when:
  • It may help avoid a crash.

  • A car is in your way.

  • You want to change lanes.

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40. Which of these statements about vehicle fire is true?
  • If cargo in a van or box trailer catches on fire, you should open the cargo door as soon as you can.

  • If your engine is on fire, you should open the hood as soon as you can.

  • A burning tire should be cooled with water.

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41. Retarders can be used:
  • Only where they are permitted by law.

  • Only for downhill braking.

  • Only on roads with poor traction.

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42. In the event of a rear tire failure, dual rear tire:
  • Will usually prevent fishtail.

  • May prevent vibration or thumping.

  • Will allow you to brake immediately.

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43. A full stop is required at a railroad crossing when:
  • There are no flagmen, warning signals, or gates at the crossing.

  • The nature of the cargo makes a stopT mandatory under state or federal regulations.

  • The crossing is located in a city or town with frequent train traffic.

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44. When you are starting to move up a hill from a stop:
  • Release the parking brakes as you apply engine power.

  • Engage the clutch and accelerate quickly.

  • Keep the trailer brake hand valve applied until you reach 20 mph.

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45. Drivers of trucks and tractors-trailers with cargo must check that the cargo well secured within the first _____ miles of the trip.
  • 25

  • 10

  • 50

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46. What is NOT true about bad weather and driving conditions?
  • When the temperature drops, the bridges will freeze before roads will.

  • The road is more slippery as rain continues than when rain begins.

  • Driving conditions became more dangerous as the temperature rises above freezing.

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47. You are driving a long vehicle that makes wide turns. You want to turn left from one street onto another. Both are two-lane two-way streets. You should:
  • Begin turning your vehicle as soon as you enter the intersection.

  • Begin turning your vehicle when you are halfway through the intersection.

  • Turn into the left lane of Poplar Street and then move to the right lane when the traffic is clear.

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48. You must stop on a hill or curve on a two-lane two-way road. How far should you place reflective triangles?
  • As far back as necessary so others can see you.

  • Within 200 feet behind you.

  • Within 500 feet behind you.

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49. 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?
  • Hard braking.

  • Steer to the right.

  • Steer onto the left shoulder.

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50. Which of these statements about cargo loading is true?
  • If cargo is loaded by the shipper, the driver is not responsible for overloading.

  • The legal maximum weight allowed by a state can be considered safe for all driving conditions.

  • State laws dictate legal weight limits.

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