Oklahoma SOK Permit Practice Test 28
- Questions20
- Correct to pass15
- Passing score75%
- Minimum age15 years
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1. The brake pedal goes to the floor and the vehicle does not slow. What should you try first?
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Answer C: Pump the pedal quickly to try to build pressure
Most vehicles have a split braking system, so rapid pumping can often build enough pressure to slow you. If it does not, use the parking brake gradually.
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2. What happens when tires are driven underinflated for a long time?
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Answer D: They wear at the edges, they run hot and they are more likely to fail
An underinflated tire flexes too much, which wears the shoulders and builds up heat that can destroy the tire.
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3. Alcohol is classified as which kind of drug?
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Answer B: A depressant that slows the central nervous system
As a depressant, alcohol slows the brain and nervous system, which lengthens reaction time and dulls the coordination that driving depends on.
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4. On a long, straight highway you feel your attention fading. What helps you stay alert?
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Answer A: Keep your eyes moving, scan mirrors and signs, and take regular breaks
Staring at one point brings on highway hypnosis. Active scanning keeps the mind engaged, and a break every couple of hours restores alertness.
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5. Loose gravel has been swept into the middle of your lane on a downhill bend. Which controls are affected most?
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Answer D: Steering and braking, since the loose stones roll under the tires
Gravel rolls between rubber and pavement, so the tires can neither turn the vehicle nor slow it as they would on a clean surface.
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6. What should you do before you back out of your own driveway at home?
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Answer A: Walk around the vehicle and check behind it for children or objects
A small child, a bicycle or a toy can sit entirely inside the blind area behind a vehicle, and a walk-around is the only way to be sure it is clear.
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7. You are driving in the left lane at the posted speed limit and a line of vehicles has built up behind you. What should you do?
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Answer D: Move into a lane on your right when it is safe and let the traffic behind go by
Most states require traffic moving slower than the flow to keep right and reserve the left lane for passing, so a driver holding up a line of vehicles should move right when it is safe rather than block the lane.
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8. Loose items slide around your car and rattle every time you brake. What is the answer?
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Answer C: Secure them before you start driving
Sliding objects pull your attention and can roll under the pedals, so stow them in the trunk or wedge them before the trip rather than chasing them during it.
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9. A bus stopped at the corner hides the crosswalk you are about to turn across. What should you do?
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Answer C: Turn slowly, ready to stop for anyone stepping out in front of it
People often step into the road from in front of a stopped bus, so approach the hidden crosswalk slowly and be ready to stop.
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10. A delivery truck is parked in your lane and you must use the oncoming lane to get around it. Who has the right of way?
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Answer D: The oncoming traffic, because their lane is clear
The driver whose own lane is obstructed waits, because using the other lane is a favor from oncoming traffic, not a right.
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11. You want to turn left at an intersection with no signs or signals and a vehicle is coming straight toward you from the opposite direction. What must you do?
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Answer C: Yield and turn after the oncoming vehicle has passed
A driver turning left always gives way to oncoming traffic that is close enough to be a hazard, whether or not the intersection is controlled.
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12. What is the right speed for a normal right turn at a city corner?
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Answer C: Slow enough to hold your lane and stop for a pedestrian
A city right turn is tight and crosses a crosswalk, so the correct speed is one that keeps you inside your lane and still allows a stop.
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13. Why is it risky to brake hard and steer sharply at the same moment?
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Answer C: The tires have a limited amount of grip that braking and turning must share
Each tire can deliver only so much grip, and asking it to slow the vehicle and change direction at once can exceed that limit and start a skid.
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14. Traffic is entering the freeway from a ramp ahead of you and you are in the right lane. What should you do?
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Answer C: Move to another lane if it is safe, or adjust your speed to make room
Merging drivers may have little room to adjust. Helping them in by changing lanes or easing your speed prevents conflicts even though they must legally yield to you.
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15. May you stop in a marked bicycle lane to let a passenger out?
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Answer B: No, stopping there forces riders into the traffic lane
A vehicle stopped in a bike lane pushes riders out into moving traffic, which is exactly what the lane exists to prevent.
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16. How does Oklahoma law set the issuance period for a learner permit or intermediate Class D license, compared with a regular driver license?
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Answer A: They are issued for the same period as any other driver license
Oklahoma statute provides that learner permits and intermediate Class D licenses are issued for the same period as all other driver licenses, rather than a separate shorter credential period.
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17. A traffic signal is dark and you reach the intersection at the same moment as a vehicle on your right. Who goes first?
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Answer A: The vehicle on your right, as at any all-way stop
A dark signal is treated as an all-way stop, and the usual tie-breaker then applies: the vehicle on the right goes first.
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18. You arrive at an intersection where the traffic signals are completely dark after a power failure. What should you do?
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Answer A: Treat the intersection as an all-way stop and take turns
When a signal is dark or out of order, drivers on every approach must stop and proceed in turn, exactly as at a four-way stop.
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19. The passenger-side mirror on most vehicles is convex. What does this mean for the driver?
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Answer D: Vehicles in that mirror are closer than they appear
A convex mirror gives a wider view but shrinks what it shows, so a vehicle looks smaller and therefore farther away than it really is. Allow for this before changing lanes.
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20. When are the hazard warning lights properly used?
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Answer A: When your vehicle is stopped or barely moving and is a hazard
Hazard lights warn that your vehicle is an obstruction; they do not authorize illegal parking and they hide your turn signals while driving.