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Tennessee TDOSHS permit practice test 11

25 questions written from the Tennessee Comprehensive Driver License Manual, covering alcohol and drugs, licensing laws and penalties, safe and defensive driving, road signs, signals and pavement markings and more. Pick an answer to see straight away whether you're right and why. The real Tennessee TDOSHS test has 30 questions and you need 24 right.

25 questions
  1. Question 1What happens when alcohol is combined with tranquilizers or sedatives?

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    D: The effects are multiplied, not just added. When alcohol is combined with another depressant like tranquilizers or sedatives, the effects are multiplied. Tennessee Comprehensive Driver License Manual: Section B-7 Alcohol, Other Drugs and Driving: Every Day Drugs, page 95.

  2. Question 2What late fee applies if your Tennessee license has been expired more than 30 days?

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    C: $5, doubling to $10 after six months. After 30 days expired there is a $5 late fee, which doubles to $10 after six months; after five years you also must retest. Tennessee Comprehensive Driver License Manual: Section A-2: Don't Let Your License Expire, page 27.

  3. Question 3How often does the Tennessee manual suggest stopping on long interstate drives?

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    B: At least every two hours or about every 100 miles. Take a break and get out of the car at least every two hours or every 100 miles or so. Tennessee Comprehensive Driver License Manual: Section B-5 Interstate Driving: Fight Interstate Hypnosis, page 85.

  4. Question 4What should you do as you drive past channeling devices like drums and cones in a work zone?

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    D: Keep your vehicle in the middle of the lane and obey the posted speed limit. Keep the vehicle in the middle of the lane, obey the posted speed, and do not change lanes until completely clear of the work zone. Tennessee Comprehensive Driver License Manual: Section B-3: Channeling Devices, page 53.

  5. Question 5Within what distance of an oncoming vehicle must you dim your high beams in Tennessee?

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    C: 500 feet. Dim high beams when an oncoming vehicle is within 500 feet, and also when following another vehicle within 500 feet. Tennessee Comprehensive Driver License Manual: Section B-4 Rules of the Road: Use of Headlights, page 59.

  6. Question 6About how far does a truck at 55 mph need to stop, compared with a car?

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    C: About 450+ feet, versus about 240 feet for a car. A car at 55 mph can stop in about 240 feet, but a truck at the same speed needs about 450+ feet. Tennessee Comprehensive Driver License Manual: Section C: Sharing the Road with Large Trucks and Buses, page 123.

  7. Question 7Who may use the emergency crossovers in an interstate median?

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    D: Only emergency vehicles and highway maintenance crews. Only emergency vehicles and highway maintenance crews may cross an interstate median; it is illegal for others to use crossovers to turn around. Tennessee Comprehensive Driver License Manual: Section B-5 Interstate Driving: Special Interstate Driving Instructions, page 84.

  8. Question 8What can continuous hard braking on snow and ice cause?

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    C: Locking the front brakes and losing steering. Continuous hard braking on snow and ice can lock the front brakes and cause loss of steering. Tennessee Comprehensive Driver License Manual: Section B-6: Driving in Winter Weather Conditions, page 92.

  9. Question 9Is having a doctor's prescription a legal defense for driving under the influence of that drug?

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    C: No, a prescription is no defense. Just because a drug is prescribed is no defense, by law, for driving under its influence. Tennessee Comprehensive Driver License Manual: Section B-7 Alcohol, Other Drugs and Driving: Every Day Drugs, page 95.

  10. Question 10If you let your Tennessee license go five years without renewing, what must you do?

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    D: Pay the $10 late fee and pass vision, knowledge and skills tests. After five years without renewing, you pay the $10 late fee and must pass the vision screening, knowledge and skills tests. Tennessee Comprehensive Driver License Manual: Section A-2: Don't Let Your License Expire, page 27.

  11. Question 11What is the maximum number of hours per day the manual says is safest to drive?

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    D: Eight. It is safest for you and others not to drive more than eight hours per day. Tennessee Comprehensive Driver License Manual: Section B-5 Interstate Driving: Fight Interstate Hypnosis, page 85.

  12. Question 12You see a flashing arrow panel showing a lane closure ahead. What should you do?

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    B: Begin merging into the open lane well in advance of the sign. Flashing arrow panels warn of lane closures; begin merging into the remaining open lanes well in advance. Tennessee Comprehensive Driver License Manual: Section B-3: Electronic Message or Arrow Signs, page 53.

  13. Question 13Why is driving at night with only parking lights on dangerous and illegal?

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    A: Other drivers may think your vehicle is farther away than it is. Small parking lights may make other drivers think your vehicle is farther away; using them alone in limited visibility is unsafe and illegal. Tennessee Comprehensive Driver License Manual: Section B-4 Rules of the Road: Use of Headlights, page 59.

  14. Question 14How much can a loaded tractor-trailer weigh?

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    D: Up to 80,000 pounds (40 tons). A typical loaded tractor-trailer may weigh up to 80,000 pounds, or 40 tons, and exceed 70 feet long. Tennessee Comprehensive Driver License Manual: Section C: Sharing the Road with Large Trucks and Buses, page 123.

  15. Question 15May you use the paved shoulder of the interstate for travel?

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    A: Only for deceleration when marked, or in an emergency. The paved shoulder is not for travel except for deceleration where marked or in an emergency. Tennessee Comprehensive Driver License Manual: Section B-5 Interstate Driving: Leaving/Exiting the Interstate, page 84.

  16. Question 16Your car is stuck in mud or snow. What technique does the manual describe?

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    C: Rock the car forward and backward in low gear without spinning the wheels. Shift to low gear, gently accelerate, avoid spinning, then back up slowly; repeat the forward-backward rocking until the car rolls free. Tennessee Comprehensive Driver License Manual: Section B-6: Driving in Inclement Weather Conditions: Getting Stuck in Mud or Snow, page 91.

  17. Question 17Can you be convicted of DUI in Tennessee with a BAC below .08?

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    A: Yes, even at .00 if impaired by drugs. A driver can register .00 BAC and still be convicted of DUI if impaired; a BAC below .08 does not clear a driver. Tennessee Comprehensive Driver License Manual: Section B-7 Alcohol, Other Drugs and Driving: Driving Under the Influence (DUI Law), page 95.

  18. Question 18What vision does Tennessee require for a driver license?

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    C: At least 20/40 in each eye individually and both eyes together, with or without lenses. Applicants must have at least 20/40 vision in each eye individually and both eyes together, with or without glasses or contacts. Tennessee Comprehensive Driver License Manual: Section A-4 The Examinations: Vision Screening, page 35.

  19. Question 19Which driving behavior does the manual call one of the most frustrating causes of congestion?

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    D: Rubbernecking—slowing down to look at crashes. Rubbernecking, slowing down to look at crashes or anything unusual, is one of the worst congestion offenders. Tennessee Comprehensive Driver License Manual: Section B-5 Interstate Driving: Dealing with Traffic Congestion, page 86.

  20. Question 20What does the orange and red triangular slow-moving vehicle emblem mean?

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    D: The vehicle moves slowly, such as farm or construction equipment or horse-drawn vehicles. The SMV emblem appears on slow-moving vehicles such as farm tractors, machinery, construction equipment and horse-drawn vehicles. Tennessee Comprehensive Driver License Manual: Section B-3: Slow-Moving Vehicle (SMV) Emblem, page 54.

  21. Question 21Which colors may steady-burning lights facing the front of a vehicle display in Tennessee (with some exceptions)?

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    B: Only white or amber. Since January 1, 2018, steady-burning front lights may only be white or amber, or a combination of the two, except for certain vehicles. Tennessee Comprehensive Driver License Manual: Section B-4 Rules of the Road: Use of Headlights, page 59.

  22. Question 22How far behind a truck can its rear blind spot extend?

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    D: Up to 200 feet. A truck's blind spots are immediately in front, on either side, and up to 200 feet in the rear. Tennessee Comprehensive Driver License Manual: Section C: Sharing the Road with Large Trucks and Buses, page 123.

  23. Question 23What causes most work zone crashes?

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    B: Rear-end collisions from tailgating. Most work zone accidents are caused by rear-end collisions, so don't tailgate. Tennessee Comprehensive Driver License Manual: Section C: Sharing the Road with Highway Work Zones, page 127.

  24. Question 24Under Tennessee's implied consent law, what is the likely result of refusing a requested test after arrest?

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    A: Court suspension of driving privileges for 12 months. Refusing the test after arrest will likely result in the court suspending your driving privileges for twelve months. Tennessee Comprehensive Driver License Manual: Section B-7 Alcohol, Other Drugs and Driving: Implied Consent Law, page 95.

  25. Question 25How long must you wait to retake the Tennessee knowledge test after failing it?

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    C: A mandatory 1-day waiting period. A mandatory 1-day waiting period is required after failing any knowledge test; no test may be repeated the same day. Tennessee Comprehensive Driver License Manual: Section A-4 The Examinations, page 35.

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Our own questions, written from the Tennessee Comprehensive Driver License Manual and checked against it. Not affiliated with the Tennessee Department of Safety and Homeland Security, Driver Services Division. Found a mistake? Tell us.