South Dakota DPS Motorcycle Practice Test 19
- Questions25
- Correct to pass20
- Passing score80%
- Minimum age14 years
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1. Why must a rider pay attention to the turn signal after completing a turn or lane change?
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Answer A: Many motorcycle signals do not cancel themselves and can mislead other drivers
A signal left flashing tells other drivers the rider is about to turn again, and a driver may pull out in front of the motorcycle because of it.
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2. A driver extends the left arm out the window and points it downward toward the road surface. What is being signaled?
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Answer A: Slowing down or stopping
The left arm extended downward is the standard hand signal for slowing or stopping.
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3. Two solid white lines are painted between your lane and the lane beside it. What do they mean?
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Answer D: Crossing from one lane to the other is prohibited
Double solid white lines separate lanes of traffic going the same way and may not be crossed.
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4. A driver is thinking about overtaking a slower vehicle and sees this sign a short distance ahead. What does it mean for that pass?
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Answer B: The pass must be finished before the restricted section begins
The sign marks the start of a section where passing is prohibited, so a driver may not be on the left side of the road beyond it; any pass has to be completed before that point or not started at all.
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5. How tight should the chin strap of a helmet be?
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Answer D: Snug under the jaw, tight enough that the helmet cannot be pulled off
A helmet only works if it stays on, so the strap must be fastened snugly under the jaw on every ride, including short ones.
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6. The vehicle you want to pass is traveling close to the speed limit. What should you do?
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Answer C: Stay behind, because a pass may not take you over the limit
The speed limit applies while passing too. If you cannot complete the pass without exceeding it, do not start the pass.
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7. You are in the right-hand of two left-turn lanes and the vehicle beside you starts to drift toward your lane during the turn. What should you do?
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Answer B: Slow slightly, keep to your own lane and give the other vehicle room
Drivers commonly drift wide in dual turn lanes, so hold your own line, ease off and leave space rather than racing or crowding the other vehicle.
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8. How does braking distance change if you double your speed?
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Answer D: It grows much more than twice as long
Braking distance increases with the square of speed, so doubling speed roughly quadruples the distance needed to stop.
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9. What must you do before changing lanes, in addition to signaling and checking your mirrors?
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Answer D: Glance over your shoulder to check the blind spot the mirrors do not cover
Mirrors leave an area beside and behind the vehicle that they cannot show, so a quick head check is needed before the vehicle moves sideways.
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10. Why should you avoid parking over tall dry grass or a pile of dead leaves?
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Answer B: Because the hot exhaust can set the dry material on fire
The exhaust system stays hot for a long time after a drive and can ignite dry vegetation underneath the vehicle.
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11. Where is the clutch lever located on a standard motorcycle?
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Answer D: On the left handlebar
Squeezing the lever on the left handlebar disengages the clutch and interrupts power between the engine and the rear wheel.
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12. You are ready to pull out of a parallel parking space into the traffic lane. What should you do?
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Answer C: Signal, check the mirror and blind spot, and wait for a gap
A driver leaving a parking space must yield to traffic already in the lane, so signal, look for the gap and only then move out.
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13. You reach a four-way stop after another driver has already stopped there. What should you do?
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Answer D: Let the driver who stopped first proceed before you go
At a four-way stop the vehicles proceed in the order they arrived, so a driver who stopped before you goes first.
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14. You are driving in fog so thick that you can barely see the vehicle ahead. Which pavement marking is the best guide for staying in your lane?
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Answer A: The white edge line on the right side of the road
The right edge line keeps you positioned away from oncoming traffic and is easy to follow at low speed. Following tail lights closely tempts you to drive faster than you can see.
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15. A driver reaches this sign and the intersecting roadway is completely clear. What is required?
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Answer D: Slowing to a speed that allows stopping, then going on without stopping if the way stays clear
This control asks the driver to slow down and be ready to stop, and a full stop becomes necessary only when traffic or pedestrians would otherwise be interfered with.
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16. While you are still on an entrance ramp, where should your attention be?
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Answer D: Along the ramp ahead and back at the highway traffic in the mirrors and over your shoulder
A merge needs both halves of the picture at once: the ramp curving ahead of you and the traffic you are about to join behind and to your left.
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17. Compared with dry pavement, how much room does a vehicle need to stop on packed snow?
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Answer D: Several times as much
Grip on packed snow is a fraction of that on dry pavement, so stopping distance grows several times over. Antilock brakes help you steer, not stop shorter.
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18. Why should a rider glance down at the sidestand before pulling away?
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Answer A: A stand left down can catch the road and lever the rear wheel off the ground
A sidestand that is still down will dig into the pavement in a left turn and can lift the rear tire clear of the road.
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19. South Dakota law sets a special speed limit for approaching a railroad grade crossing with an obstructed view. What is it?
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Answer B: 15 miles per hour
When a driver's view of an oncoming train is obstructed within the last 200 feet of approach, the maximum speed drops to 15 miles per hour.
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20. You are the first driver on a road just after a storm. What should you plan for?
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Answer B: Branches, mud and other debris hidden around the next bend
Storm debris lands where nobody has cleared it yet, often just beyond a curve or a crest, so reduce speed and look much further ahead.
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21. Does South Dakota generally require a moped, as legally defined, to be registered like a car?
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Answer B: No, mopeds are exempt from vehicle registration unless the owner chooses to register one
Mopeds meeting the statutory definition are exempt from the vehicle registration chapter, though an owner may choose to register one anyway.
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22. Beyond this sign, cones and temporary signs lead traffic along a path that does not agree with the lines painted on the pavement. Which one must the driver follow?
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Answer C: The temporary arrangement, because it replaces the permanent layout while the work lasts
Temporary traffic control set up for the work takes precedence over the permanent signs and markings, which no longer describe how the road is being used.
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23. You have had to leave the pavement onto a loose gravel shoulder and now need to stop. How should you brake?
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Answer D: Use both brakes gently and evenly, expecting a much longer stopping distance
Loose gravel cuts available traction sharply, so apply both brakes lightly and smoothly and allow far more room than you would need on pavement.
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24. Under South Dakota law, may an officer seize a driver's phone simply to prove a mobile device violation occurred?
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Answer D: No, seizure to establish the violation is not allowed unless standard search-and-seizure requirements are separately met
The statute bars using seizure of the device merely to prove a mobile-device violation, though seizure remains possible when ordinary search-and-seizure rules are independently satisfied.
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25. Which warning sign keeps its yellow background even when it is used inside a work zone?
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Answer D: The grade crossing advance warning sign
The round grade crossing advance warning sign keeps its black legend on yellow inside temporary traffic control zones because the railroad hazard it describes is not temporary.