OH CDL DOUBLES TRIPLES TEST - PRACTICE TEST
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Safely pulling double and triple trailers requires knowledge and skill. If you want to pull double or triple trailers, you must add the Doubles/Triples (T) endorsement to your Class A CDL. The Ohio doubles triples test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The OH CDL doubles triples test covers the following sections of the Ohio CDL Manual: Driving Safely, Air Brakes (if you plan to operate vehicles equipped with air brakes), Combination Vehicles, Doubles and Triples. Take this OH CDL practice test now to prepare for the actual test! Important: Triple trailers are not legal in Ohio.
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1.
No matter how small the cargo is, it should have at least:
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4 tie-downs.
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1 tie-down.
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2 tie-downs.
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2.
The trailer hand valve should:
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be used in driving.
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never be used to test the trailer brakes.
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never be used for parking.
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3.
ABS:
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helps you avoid skids caused by over braking.
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improves your visibility at night.
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helps you stop faster.
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4.
Which of the following is NOT a reason for hydraulic brake failure?
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Loss of hydraulic pressure
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Stab braking
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Brake fade on long hills
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5.
Your vehicle has air brakes. To stop, you should:
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push the brake pedal down.
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pull the parking brake control knob out.
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release the accelerator, push in the clutch, and shift to Neutral at the same time.
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6.
Before operating the vehicle, the driver should:
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review the last vehicle inspection report.
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rely on the last vehicle inspection and skip the pre-trip inspection.
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should not review the vehicle inspection report and immediately try to find any vehicle defects.
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7.
You must have at least 4/32 inch tread depth in every major groove on front tires and at least ___ inch on other tires.
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1/32
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4/32
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2/32
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8.
Which of the following is not proper tie-down equipment:
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Chains
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Ropes
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Bungee cords
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9.
Retarders:
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improve gas mileage.
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reduce braking distance.
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help slow a vehicle, reducing the need for using brakes.
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10.
Regardless of its size, cargo should have at least ___ tie-downs.
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2
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3
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1
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OH Doubles Triples Test
| Number of questions: | 20 |
| Correct answers to pass: | 16 |
| Passing score: | 80% |
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