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FREE Double Triple Test Online | Ohio 2024

Train for FREE with our Ohio CDL double triple practice test online. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a OH CDL double triple license in 2021, practice as much as..

Train for FREE with our Ohio CDL double triple practice test online. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a OH CDL double triple license in 2021, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that DMV requirements may vary from state to state.

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1 . If unable to tell if the road is becoming icy and slippery, a driver:

If you think the road surface may be becoming icy but you are not certain, you can open your window and feel the front of the side mirror, mirror support, or antenna. If ice has formed on any of these items, the road is likely becoming icy as well.

2 . Failing to drain air tanks could result in:

In an air brake system, the air tanks must be periodically drained to remove accumulations of water and compressor oil. If water is not removed, it could freeze in cold weather and cause brake failure.

3 . If an unusual noise or feeling occurs in a vehicle while it is being driven, the driver should:

If you see, hear, smell, or feel anything while driving that does not feel right, you should have it checked out.

4 . Hydroplaning usually occurs:

Hydroplaning occurs on surfaces where water has collected. If there is enough water, vehicles can hydroplane at speeds as low as 30 mph. Hydroplaning becomes more likely if tires are under-inflated or if the tread is worn.

5 . When backing a truck, you should:

When backing a truck, always use the mirrors on both sides of the vehicle. Have someone help you whenever possible.

6 . The trailer hand valve should be used:

The trailer hand valve (also referred to as the "trolley valve" or "Johnson bar") works the trailer brakes and should be used only when testing them. Using the trailer hand valve while driving could result in a skid.

7 . When transporting cargo, drivers must check the securement of the cargo every:

The securement of cargo must be checked within the first 50 miles of a trip, and then again every three hours or 150 miles.

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