Oklahoma SOK Permit Practice Test 19
- Questions20
- Correct to pass15
- Passing score75%
- Minimum age15 years
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1. A yellow sign reads SOFT SHOULDER. What is it telling you?
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Answer C: The shoulder may not carry the weight of a vehicle
A soft shoulder is unpaved and can let a wheel sink, so a driver who leaves the pavement there may lose control or become stuck.
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2. A yellow diamond on an exit ramp shows a truck tipping over onto two wheels. Which drivers does it concern most?
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Answer D: Those in tall vehicles carrying a high load
The truck rollover sign warns that the curve can overturn a vehicle with a high center of gravity, so such drivers must slow well below the normal ramp speed.
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3. Cannabis is legal for adults in some states. What does that mean for driving?
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Answer C: Driving while impaired by it is still an offense
Legal possession has nothing to do with driving law, and every state treats driving while impaired by cannabis as an offense.
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4. You are entering an angle parking space on your right. What should you do?
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Answer C: Stay a little left of the space, then turn in between the lines
Keeping a little left of the space gives the front wheels the room to turn in cleanly and leaves your car centered between the lines.
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5. What is the main limit of stability and traction control systems?
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Answer B: They cannot create grip that the tires and the road do not have
These systems manage the grip that exists. If you enter a curve too fast for the surface, no amount of electronics will hold the vehicle on the road.
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6. A tractor-trailer is backing slowly across the roadway to enter a loading dock. What should you do?
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Answer C: Stop and wait until the truck has finished the maneuver
A backing truck driver has a very limited view and the trailer can swing unexpectedly. Trying to squeeze past in either direction risks being crushed.
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7. Why does the situation ahead of this sign deserve extra care from a motorcyclist?
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Answer C: Because a narrow machine is easy to overlook in a mirror or a blind spot
A motorcycle fills very little of a mirror and disappears easily into a blind spot, so the rider should adjust speed and lane position to stay visible where the streams come together.
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8. How does a lap and shoulder belt protect you in a crash?
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Answer B: It holds you to the seat and spreads the force over the strong bones
The belt keeps you with the vehicle as it slows and puts the load on the hips and the chest rather than on soft tissue.
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9. Besides motorist services and tourist information, a blue sign background is also used for
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Answer B: evacuation route signing
Blue is assigned to road user services, tourist information and evacuation routes, so hurricane and other evacuation routes are signed in blue.
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10. You are driving on the through road of a T-intersection and want to turn left into the side road. Oncoming traffic is approaching on the through road. What must you do?
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Answer C: Yield to the oncoming traffic before you turn
The vehicle waiting in the stem of the T yields to both of you, but you still owe the right of way to oncoming through traffic before turning across it.
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11. Lights set into the pavement along both edges of a crosswalk start to flash yellow as you approach. What do they tell you?
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Answer D: Someone is crossing and has to be given way
In-roadway warning lights flash only when a pedestrian activates the crossing, so a flashing pattern means somebody is in or entering the crosswalk.
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12. Your vehicle breaks down on a busy highway. What is the safest course of action?
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Answer D: Get it as far off the roadway as possible, switch on the hazard lights and keep clear of the traffic lanes
A vehicle left in or beside a travel lane is a hazard, so move it well off the road, make it conspicuous with hazard lights and keep yourself away from passing traffic.
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13. Where is passing prohibited even when no line is visible?
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Answer D: On a curve or near the crest of a hill, at intersections and at railroad crossings
Passing is prohibited wherever your view of oncoming traffic is blocked or where vehicles may cross your path, which includes hills, curves, intersections and rail crossings.
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14. Besides a chemical test, what else supports an impaired driving charge?
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Answer B: The officer's observations of the driving and the driver
Weaving, slow responses, speech and balance observed by the officer are evidence in their own right, which is why a driver can be charged on behavior alone.
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15. Four vehicles reach a four-way stop from all four directions at the same instant. How is the deadlock resolved?
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Answer C: Each driver yields to the vehicle on the right and they go one by one
Yielding to the right applies to every driver, so the group untangles itself as drivers take turns rather than moving together.
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16. Under Oklahoma statute, what is the maximum speed for a school bus on a paved two-lane road outside the state highway, interstate and turnpike systems?
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Answer B: 55 mph
Oklahoma statute caps a school bus at 55 mph on paved two-lane roads outside the state highway, interstate and turnpike systems, rising to 65 mph on those systems.
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17. You back into an unattended parked car in a lot and cause visible damage. What must you do?
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Answer A: Try to find the owner, or leave a note with your name and contact details, and report the crash
Hitting an unattended vehicle carries the same duties as any crash. Leaving without identifying yourself is a hit-and-run offense.
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18. How long should a glance at a mirror or an instrument take?
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Answer A: A brief glance of about a second, returning your eyes to the road at once
Checks should be quick flicks of the eyes. At highway speed, a few seconds with your eyes off the road covers a distance long enough for a hazard to appear.
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19. Why is a U-turn on a one-way street a problem?
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Answer A: You would end up facing the wrong way against all the traffic
Every lane of a one-way street runs the same way, so turning around leaves you driving head-on against all of the traffic.
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20. You are passing a tractor-trailer on a wet freeway and its wheels throw heavy spray. What is the best technique?
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Answer B: Increase your wipers and pass steadily without hesitating
Spray blinds you for as long as you stay beside the truck, so prepare the wipers first and then spend as little time in the spray as possible.