Impaired Driving & Penalties — Delaware
Delaware CDL practice test: 443 free practice questions (Based on the official driver handbook). The official format is not yet verified; check the official site before your test. Impaired Driving & Penalties: 15 questions.
Blood alcohol limits, drugs and fatigue, licence suspensions, demerit points and fines.
This topic page is still being reviewed against the official handbook. Until review is finished it is hidden from search engines.
| Topic / Metric | Value |
|---|---|
| Topic | Impaired Driving & Penalties |
| License test | Delaware CDL permit (CLP) knowledge tests |
| Topic questions | 15 (3% of 443 total) |
| Review status | This topic page is still being reviewed against the official handbook. Until review is finished it is hidden from search engines. |
Official handbook
Not yet verified
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Questions (15)
1. The more alcohol in the body:
- The quicker the liver will digest the alcohol.
- The less effect the alcohol will have on the individual.
- The longer it will take to remove the alcohol from the body. ✓
Answer: C. The longer it will take to remove the alcohol from the body.
The more alcohol in the body, the longer it will take to remove it, so choose the answer saying removal takes longer. The handbook explains that the liver handles alcohol at a fixed rate — only about one-third of an ounce per hour, which is less than what a standard drink contains. Because that rate does not speed up, drinking faster than the body can clear alcohol means more of it builds up in your blood. The handbook states plainly that only time, not black coffee or a cold shower, sobers you up. So a larger amount of alcohol in the body simply means a longer wait before it is gone.
2. Which of the following indicates drowsy driving?
- Eyes going out of focus by themselves
- Having trouble keeping your head up
- Drifting from lane to lane
- All of the above ✓
Answer: D. All of the above
3. A fatigued driver:
- Is extra alert.
- Should take over-the-counter remedies to wake them up.
- May make critical decisions too slowly. ✓
- Is usually more conscientious than a typical driver.
Answer: C. May make critical decisions too slowly.
A fatigued driver may make critical decisions too slowly. The handbook describes fatigue as physical or mental tiredness from strain, repetitive tasks, illness, or lack of sleep. It says fatigue impairs your vision and judgment much like alcohol and drugs, and that it affects your ability to make critical decisions. It also slows how quickly you see and react to hazards and makes you more likely to misjudge speed and distance. So a tired driver does not simply feel sleepy; the thinking behind driving choices gets worse.
4. When driving, you should stop and take a break ____ to avoid becoming too tired.
- Every half hour
- Every hour
- Every two hours ✓
- Every six hours
Answer: C. Every two hours
You should stop and take a break about every two hours during a long trip to keep from getting too tired. The handbook's list of ways to stay alert on the road includes taking periodic breaks, and it puts the timing at roughly every 100 miles or 2 hours on long trips. The same section warns that trying to push on while tired is a major cause of fatal accidents, and it tells you to stop driving and rest or nap once you notice signs of fatigue. So the two-hour mark is the book's own break interval, not a guess.
5. When driving, you should stop every ____ to take a break to avoid becoming too tired.
- Half hour
- Two hours ✓
- Six hours
Answer: B. Two hours
You should stop about every two hours during a long trip to take a break. The handbook's list of ways to stay alert behind the wheel includes taking periodic breaks, roughly every 100 miles or 2 hours on long trips. It also warns that pushing on while tired is more dangerous than most drivers realize. A two-hour break interval fits that guidance directly, while the other intervals listed in the choices do not appear anywhere in the handbook's fatigue advice.
6. Over-the-counter medication:
- Poses no safety risks to a driver.
- Is not referenced by any laws regarding driving under the influence.
- Cannot impair a driver.
- Can affect a person’s ability to drive safely. ✓
Answer: D. Can affect a person’s ability to drive safely.
Over-the-counter medication can affect a person’s ability to drive safely. The handbook lists prescription and over-the-counter drugs, such as cold medicines, among substances that can make a driver unsafe. It says these medicines may make you drowsy or otherwise affect your ability to drive safely. It also tells drivers to pay attention to warning labels and doctor's orders about possible effects. That is why the bank answer treats OTC medication as something that can change how safely you drive, not as a harmless product.
7. To best reduce the distractions of a cell phone, you should:
- Stay on a single call for an entire trip.
- Turn the phone off before driving. ✓
- Only us the phone to accept incoming calls.
- Use the phone to text rather than talk.
Answer: B. Turn the phone off before driving.
8. If approaching a vehicle with a distracted driver, you should:
- Quickly pass the vehicle.
- Maintain a safe distance from the vehicle. ✓
- Closely follow the vehicle.
Answer: B. Maintain a safe distance from the vehicle.
When you approach a vehicle whose driver seems distracted, keep a safe distance back from it. The handbook tells you to give a distracted driver plenty of room and hold your normal safe following distance. It also warns that these drivers drift over lane lines or within their lane and run at inconsistent speeds, so staying back gives you room to see and react. The handbook adds that passing such a driver calls for extra care, because they may not notice you and may drift in front of you. Space is the protection it recommends, so holding a safe distance is the right choice.
9. Distracted drivers may be:
- Staying within their lanes.
- Traveling at consistent speeds.
- Preoccupied with using their cell phones. ✓
- Not talking to anyone else in their vehicles.
Answer: C. Preoccupied with using their cell phones.
Distracted drivers may be preoccupied with using their cell phones. The handbook tells you to watch for other drivers who are busy with things like maps, food, cigarettes, or a phone. It lists that kind of preoccupation as a sign of a distracted driver, along with drifting and uneven speed. That matches the choice about cell phone use. Recognizing distraction early helps you perceive and react in time to avoid a crash, and you should give that driver room.
10. To prevent fatigue while driving, you should:
- Keep the cab warm.
- Keep the cab cool. ✓
- Keep the cab poorly ventilated.
- Close the vents.
Answer: B. Keep the cab cool.
Keep the cab cool — the handbook's alertness list says to keep cool by opening a window or running the air conditioner. The fatigue section of the handbook gives a short list of things you can do to stay alert behind the wheel, and one of those items is to keep cool by opening the window or using the air conditioner. That cooling advice sits right alongside other alertness habits such as wearing sunglasses against glare and eyestrain, taking periodic breaks, and stopping to rest or nap. Since the handbook names keeping cool as the way to help maintain alertness, keeping the cab cool is the choice that matches it.
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Last checked: 2026-10-17 · Not yet verified
Updated: · Based on the official driver handbook