New Hampshire CDL practice test: 461 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: 6 questions. Updated
Blood alcohol limits, drugs and fatigue, licence suspensions, demerit points and fines.
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Official handbook
Not yet verifiedState CDL manual (based on the AAMVA model manual) link not yet collected
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Questions (6)
1. An open automobile window in cold weather may indicate that the driver is:
Driving impaired. ✓
Inappropriately dressed.
Using the heat inside their vehicle.
Enjoying the fresh air.
Answer: A. Driving impaired.
An open window in cold weather may mean the driver is driving impaired. The handbook puts an open window in cold weather in the same short list as speeding up or slowing down suddenly and driving too fast or too slow, right before it tells you to watch for drunk and sleepy drivers late at night. In that section the open window is treated as a clue about the driver's condition, not as a comfort choice, so the handbook answer is that it points to impairment. The passage does not explain the reason behind the clue, only that you should notice it.
Because it creates both mental and physical distractions. ✓
Because a message may be upsetting to the driver.
Because the texts may be more interesting than the task of driving.
Because it is less efficient than a phone call.
Answer: A. Because it creates both mental and physical distractions.
Texting while driving is worrisome because it creates both mental and physical distractions at the same time. The handbook says texting is the most alarming distraction because it involves physical and mental distraction simultaneously. It explains that you look at a small screen and work the keypad with your hands, while your mind is also pulled away from the road. That combination is why the handbook calls texting riskier than a phone call and ties it to a much greater chance of a safety-critical event. The answer that names both kinds of distraction matches that explanation.
Is usually aware of what is happening around them.
Is a good person to follow.
Answer: B. Usually has slowed perception.
A distracted driver usually has slowed perception, so they may notice hazards late or miss them entirely. The handbook lists slowed perception as an effect of distracted driving. It says this can delay you in perceiving an important traffic event or make you fail to perceive it at all. The same section also mentions delayed decision making and improper action, which means distraction affects how you take in and respond to what is happening. Because the handbook ties distracted driving to slowed perception and increased risk, the answer that says perception is usually slowed fits directly.
A distracted driver usually has slowed perception. The handbook lists slowed perception as one effect of distracted driving. It explains that this can make a driver late to notice, or miss entirely, something important happening in traffic. The same section also mentions delayed decisions and wrong inputs to steering, accelerator, or brakes. Because the manual ties distraction to slowed perception, the statement about slowed perception fits.
Can be caused by physical and/or mental distractions. ✓
Can only be caused by cell phone use.
Answer: C. Can be caused by physical and/or mental distractions.
Distracted driving can be caused by physical and/or mental distractions. The handbook separates physical distraction, such as reaching for an object, from mental distraction, such as talking with a passenger or thinking about the day. It also describes activities that combine both, including phone use and texting. Because the handbook treats both kinds as distractions, the answer that includes physical and/or mental distractions fits. The listing of many different in-vehicle and outside-vehicle distractions further supports that distraction is not limited to one source.
6. 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.