Iowa DOT Motorcycle Practice Test 27
- Questions25
- Correct to pass20
- Passing score80%
- Minimum age14 years
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1. Your right-turn lane shows a green arrow while the through lanes face a red ball. What does that mean?
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Answer C: Only the right turn is allowed, and it is protected while the arrow lasts
A green arrow gives a protected movement in that direction only; the red ball still stops the through traffic in the other lanes.
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2. A curb lane is marked BUS ONLY 7 AM TO 9 AM. What may the driver of a car do?
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Answer A: Use the lane outside those hours
A part-time bus lane is reserved only during the posted period, and outside it the lane serves general traffic like any other.
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3. You are circulating in the inner lane of a two-lane roundabout, your exit is next, and a vehicle is beside you in the outer lane. What should you do?
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Answer C: Keep circulating around the island and take that same exit on your next time around
You may not cut across a vehicle in the outer lane; if you cannot exit safely, continue around the circle and try again.
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4. According to national crash research, how effective are helmets at preventing fatal injuries to motorcycle riders?
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Answer C: About 37 percent effective
Federal estimates put helmet effectiveness at roughly 37 percent for riders and about 41 percent for passengers in preventing fatal injuries.
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5. Apart from a crash, when do helmet makers generally advise replacing a helmet?
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Answer A: After several years of use, as the liner and materials age
Liners, glues and straps degrade with sweat, sunlight and time, so manufacturers commonly recommend replacing a helmet after several years even if it looks fine.
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6. The signal ahead turns yellow while you are approaching it. What does the yellow light mean?
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Answer C: The red is coming; stop if you can do so safely
A steady yellow warns that the red is next. Stop if you can do so safely; enter the intersection only when stopping would be dangerous.
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7. A rider chooses an open face helmet. What does that choice make necessary?
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Answer A: Separate goggles or a face shield, because the face is uncovered
An open face helmet gives no eye or face protection, so the rider must add goggles or a face shield that will not shatter and that seals against the wind.
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8. You are in the open lane where another lane is merging into yours. What is your part in the merge?
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Answer A: Keep a steady speed and leave a gap for one vehicle to come in
A merge works when each driver in the through lane lets one vehicle in, which keeps both lines moving instead of stopping them both.
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9. A sign at the start of an exit ramp shows a speed much lower than the highway limit. What does it apply to?
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Answer C: The curve of the ramp itself, once you have left the highway
The ramp speed is set by the sharpness of the ramp curve, so you slow to it inside the deceleration lane rather than out on the highway.
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10. What does the Iowa DOT do to the original suspension period when a driver is convicted of driving while suspended?
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Answer C: It extends the period by an additional like period or by one year, whichever is shorter
Iowa Code section 321.218 requires the department to extend the suspension or revocation for an additional like period or for one year, whichever period is shorter.
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11. A bicyclist stops at a four-way stop just before you do. Who goes first?
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Answer B: The bicyclist, who reached the intersection and stopped there before you did
A bicyclist on the roadway follows the same right of way rules as a driver, so arrival order decides the turn.
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12. How should a passenger behave through a turn?
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Answer B: Look over the operator's shoulder in the direction of the turn and avoid sudden movement
Looking over the operator's shoulder into the turn keeps the passenger aligned with the motorcycle, and avoiding sudden movement prevents unexpected changes in balance.
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13. What is a driver being warned about here?
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Answer B: The pavement ahead carries vehicles traveling in the opposite direction
Beyond this point vehicles come the other way on the same pavement, which commonly happens where a one-way section or a separated stretch comes to an end.
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14. How does driving on overinflated tires affect the vehicle?
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Answer D: It gives a harsher ride and a smaller contact patch
An overinflated tire bulges in the middle, so less rubber touches the road, grip suffers and the ride becomes hard. The center of the tread wears first.
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15. What protective gear should a passenger wear?
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Answer C: The same protective gear recommended for the operator
A passenger is exposed to the same crash forces, weather and road debris as the operator, so the same head, eye, hand, body and foot protection applies.
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16. It is hot and a rider wants to ride without gloves. Why is that a poor idea?
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Answer D: Sweating hands slip on the grips, and bare skin has no protection
Hands go out first in a fall and are hard to repair, and sweaty palms lose their grip on the controls, so wear ventilated summer gloves rather than none.
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17. You and the driver facing you both have stop signs at a two-way stop. You are going straight and that driver is turning left. Who has the right of way?
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Answer B: You do, and the turning driver must wait
Between two opposing drivers who both stopped, the one going straight goes first and the left-turning driver yields.
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18. When should you turn on your signal before a turn or a lane change?
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Answer C: Well before the maneuver, so other drivers have time to react
A signal is a warning to others, so it has to be given far enough ahead of the maneuver that drivers and pedestrians can adjust.
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19. You are passing a crash on the other side of a divided highway. What should you do?
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Answer D: Keep your eyes on your own lane and the traffic around you
Staring at a crash scene, often called rubbernecking, causes sudden slowing and secondary collisions. Your attention belongs on the traffic in front of you.
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20. How many usable riding paths does a single traffic lane offer a motorcycle?
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Answer C: Three
A lane is normally treated as a left, center and right path, and the rider picks the one that gives the best visibility and the largest space cushion.
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21. In most states, when are headlights required apart from times of poor visibility?
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Answer A: From about half an hour after sunset to half an hour before sunrise
Most states require lights from about half an hour after sunset until about half an hour before sunrise, and some simply say sunset to sunrise; lights are also required whenever visibility is poor.
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22. You realize you have driven several miles without remembering any of it. What kind of distraction is this?
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Answer C: Cognitive distraction, because your mind was not on driving
Daydreaming or being lost in thought is a cognitive distraction. Your eyes may be on the road, but your brain is not processing what they see.
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23. What do yellow lines painted on a roadway separate?
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Answer D: Traffic moving in opposite directions
Yellow markings separate opposing streams of traffic, and they also mark the left edge of a divided highway or a one-way roadway.
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24. How should cargo be carried on a motorcycle?
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Answer D: Kept low, in saddlebags or at about seat level
Keeping the load low preserves the center of gravity and the normal handling of the motorcycle, while a high load makes it top heavy and unstable.
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25. Why is the front brake avoided during a very slow, tightly leaned turn?
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Answer D: It can upset the balance of a leaned machine and drop it at low speed
At low speed and full lock there is little momentum holding the motorcycle up, and the sudden weight shift from the front brake easily topples it.