OH CDL GENERAL KNOWLEDGE TEST - CDL PRACTICE TEST
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The CDL general knowledge test is required to be taken by all CDL applicants. The Ohio CDL test consists of 50 questions. To pass, you must correctly answer at least 40 questions (80%). The general knowledge test covers the contents of the Ohio CDL Manual.
All CDL applicants (Class A, B and C) must study the following sections: Driving Safely, Transporting Cargo Safely, Air Brakes (if you plan to operate vehicles equipped with air brakes), Vehicle Inspection Test, Basic Control Skills Test, Road Test. In addition, the Class A CDL test will include questions based on the Combination Vehicles section. Take this CDL practice test now to prepare for the actual OH general knowledge test!
To get your CDL, you must pass both the knowledge and skills tests. CDL knowledge tests include: General Knowledge, Passenger Transport, Air Brakes, Combination Vehicles, Hazardous Materials, Tanker Vehicles, Doubles/Triples, School Bus, Firefighter. Depending on what class of license (A, B or C) and endorsements you need, you must take one or more knowledge tests. A special endorsement is also required to drive certain types of vehicles. The following endorsements may be used with a Class A, B or C CDL: HazMat (H), Tank Vehicles (N), Tank Vehicles Transporting Hazardous Materials (X) and Passenger Transport (P). The School Bus endorsement (S) is only available for Class A or B CDL, and the Doubles/Triples endorsement (T) is only available for Class A driver's licenses.
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1.
When driving a modern truck, the gear you should be in before starting down a hill is usually_____ the gear required to climb the same hill.
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lower than
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higher than
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the same as
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2.
Which of the following statements about engine overheating is true?
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You should never remove the radiator cap or any part of the pressurized system until the system has cooled.
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You should never shut off an overheated engine until it cools.
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Low speeds create more heat for the engine.
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3.
When your drive wheels have poor traction, retarders:
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will stop working.
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will help you regain traction.
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can cause your wheels to skid.
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4.
If your tires are hot, you should NOT:
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let air out of the tires so the pressure goes back to normal.
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stop to let the tires cool down.
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drive until you correct the cause of the overheating.
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5.
When backing, you should back and turn toward the driver's side:
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so you can back in a straight line.
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so you can see the shoulder of the road.
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so you can see better.
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6.
If you are being tailgated, you should:
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increase your speed very gradually.
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make quick changes.
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open up room in front of you.
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7.
Fatigue:
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increases the chance of an accident.
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does not impair vision and judgment.
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can easily be prevented by drinking coffee.
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8.
Which of the following is most likely to get stuck on raised railroad crossings?
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A single-axle tractor pulling a small trailer
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A low slung unit
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A single-axle tractor with no trailer
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9.
Confused drivers can be very hazardous. Clues to confusion include:
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changing direction suddenly.
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driving very slowly.
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All of the above.
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10.
Which of the following statements about using turn signals is true?
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You should use your turn signals when your vehicle is parked at the side of the road.
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To keep others from trying to pass you, you should signal just before you turn.
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None of the above.
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OH CDL Practice Test
| Number of questions: | 50 |
| Correct answers to pass: | 40 |
| Passing score: | 80% |
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