Oklahoma SOK Permit Practice Test 18
- Questions20
- Correct to pass15
- Passing score75%
- Minimum age15 years
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1. You are traveling at the same speed as a vehicle in the next lane, just behind its rear door. What should you do?
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Answer B: Change your speed so that you leave that driver's blind spot
That position is the classic blind spot. Slow slightly or move ahead so the other driver can see you before deciding to change lanes.
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2. The tire pressure monitoring symbol lights up on your dashboard. What is the system telling you?
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Answer A: At least one tire is significantly underinflated
The system warns when a tire falls well below the recommended pressure. Check all four with a gauge and inflate to the placard figure while they are cold.
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3. How many points does a conviction for following too closely add to an Oklahoma driving record?
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Answer A: 2 points
Following too close or improperly is assessed 2 points under Oklahoma's mandatory point system.
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4. Where are signs of this kind placed at an intersection?
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Answer C: At the near right and far left corners, facing drivers on the intersecting street
They are installed at the corners of the intersecting street so that a driver about to turn in sees the restriction before committing to the turn.
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5. 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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6. How often can an approved Oklahoma defensive driving course be used to reduce points?
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Answer B: Once every 24 months
Completing an approved Service Oklahoma driver compliance or defensive driving course removes two points, and that credit may be claimed only once every 24 months.
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7. You have a green light and an ambulance with lights and siren enters the intersection against its red. What should you do?
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Answer B: Stop and let the ambulance go through
An emergency vehicle answering a call may cross against a red, and every other driver yields to it whatever their own signal shows.
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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. From which lane should a permitted U-turn be started?
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Answer A: The lane nearest the center line, the same one used for a left turn
A U-turn is begun from the far left lane for your direction, the same position used for a left turn, so you do not cut across traffic beside you.
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10. You reach a T intersection where the cross street has a ONE WAY sign pointing to the right. What may you do?
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Answer B: Turn right only, because the street carries traffic in that direction
The arrow shows the only direction traffic may travel, so the only legal movement from the terminating road is a right turn.
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11. A signal beside a fire station stays dark until apparatus is about to leave, when it shows yellow and then red. What must a driver do?
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Answer B: Stop on the red and wait until the signal goes dark again
An emergency vehicle signal is a real traffic signal, so its red indication must be obeyed while the apparatus pulls out into the street.
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12. Why is passing on a curve prohibited even when the traffic seems light?
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Answer C: You cannot see far enough around it to know the lane is clear
A pass is only as safe as the distance you can see, and a curve hides the very lane the maneuver uses.
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13. 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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14. When may you stop on the shoulder of a freeway?
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Answer A: Only in an emergency, moving completely off the travel lanes and switching on your hazard lights
The freeway shoulder is reserved for emergencies and for disabled vehicles, and a vehicle stopped there must be clear of the travel lanes with hazard lights on.
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15. How should a lap and shoulder belt be positioned?
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Answer A: Lap belt low across the hips and shoulder belt across the chest and collarbone
The lap belt must bear against the strong pelvic bones rather than soft organs, and the shoulder belt must cross the rib cage and collarbone so crash forces spread over the skeleton.
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16. How long must an ignition interlock device remain installed for a first-time Oklahoma DUI offender required to use one?
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Answer A: 18 months
A first-time Oklahoma DUI offender required to install an ignition interlock device must keep it installed for 18 months.
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17. Which sign tells you that the vehicles ahead are part of a funeral procession?
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Answer C: Headlights burning in daylight, with small flags or markers on the vehicles
Processions are normally identified by daytime headlights, hazard lights and flags or windshield markers, not by emergency lights or sirens.
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18. Unless otherwise posted, what is Oklahoma's default maximum speed limit on an undivided state highway?
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Answer D: 65 mph
Oklahoma sets a default maximum of 65 mph on an undivided state highway, lower than the defaults for controlled access highways and turnpikes.
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19. You are about to descend a long steep grade. How should you control your speed?
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Answer D: Select a lower gear before starting down and use the brakes in firm, brief applications
Engine braking in a lower gear carries most of the load down the grade, while continuous brake pressure overheats the brakes and reduces their effectiveness.
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20. What is the driver expected to do after passing this sign?
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Answer A: Begin slowing so that a complete stop can be made at the intersection ahead
It is used where the control at the intersection stays hidden until late, so braking should begin here rather than at the stop line.