District of Columbia DC DMV motorcycle warm-up test
- Questions25
- Correct to pass20
- Passing score80%
- Minimum age16 years
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1. How does marijuana affect a driver?
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Answer C: It slows reaction time and impairs judgment of time and distance
Marijuana impairs coordination, attention and the ability to judge speed and distance. Driving while impaired by it is illegal everywhere, even where its use is legal.
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2. How does becoming chilled affect a rider before any shivering is obvious?
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Answer D: It slows reactions and clouds judgment while the rider still feels fine
Cooling degrades reaction time and decision making before the rider notices it, so dress for the coldest part of the ride and stop to warm up rather than pressing on.
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3. A sign with a green background and a white legend normally provides
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Answer A: directions, distances and destinations
Green is the background color of the guide sign series, which names routes and destinations and gives the distance to them.
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4. You are waiting to turn and the traffic ahead has stopped. Where must you not come to rest?
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Answer D: On the crosswalk, which people need in order to cross the street
Stopping on a crosswalk forces pedestrians out into the traffic lanes to get around you, so you hold back before it instead.
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5. How much should you normally reduce your speed on a road covered with packed snow compared with dry conditions?
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Answer C: By about half
Packed snow roughly doubles the distance needed to stop, so a common guideline is to cut speed by about half. On ice, slow to a crawl.
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6. Which clue best warns a rider that the door of a parked car is about to open?
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Answer B: Someone visible in the seat, or exhaust showing at the tailpipe
Occupied cars are the ones that open doors, so scan through rear windows and mirrors and look for exhaust or wheels turning as you approach.
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7. A diamond-shaped sign is used to
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Answer A: warn of a condition on or next to the road that may call for caution
The diamond is the standard shape of the warning series, which alerts drivers to conditions that would otherwise not be obvious in time to react.
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8. About how much alcohol can the body eliminate per hour?
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Answer A: About one standard drink
The liver removes alcohol at a nearly fixed rate of roughly one standard drink per hour. Drinking faster than that raises the blood alcohol level, and nothing speeds the process.
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9. A bag strapped to the back of your motorcycle works loose and starts to shift as you ride. What should you do?
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Answer C: Slow smoothly, pull off the road, and secure the load before riding on
A load that moves changes the balance of the motorcycle and can foul a wheel or the chain, so stop as soon as you safely can and fasten it properly.
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10. Someone stops drinking heavily at two in the morning and drives to work at eight. What is true?
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Answer A: They may still be impaired and over the limit
The body removes alcohol at a slow, fixed rate, so a heavy night can leave a driver impaired well into the next morning no matter how they feel.