20 Tests

CDL Class B Driving Test Online | Oklahoma 2021

Train for FREE online with our Oklahoma class B license test. 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 OK CDL class B permit in 2021, practice as much as.. Read More

Train for FREE online with our Oklahoma class B license test. 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 OK CDL class B permit 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 CDL class B requirements may vary from state to state.

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1 . Braking mechanisms are located inside:

Drum brakes are attached to the wheels and located on the axles of a vehicle. The braking mechanisms that cause the vehicle to stop can be found inside of a drum brake.

2 . Wheel rims that have been welded should:

Wheels or rims that have had welding repairs are not safe to be used.

3 . Which of the following is not a type of tie-down equipment?

You must use the proper number of tie-downs when securing cargo on a flatbed trailer. Examples of tie-down equipment includes ropes, straps, and chains.

4 . If you plan to transport hazardous materials, you will:

You must have a hazardous materials endorsement to transport any hazardous materials that require the vehicle to be placarded.

5 . When starting your vehicle, the coolant temperature should:

Watch the gauges in your vehicle before starting a trip. After starting your vehicle's engine, the coolant temperature should begin a gradual rise to the normal operating range.

6 . When loading a trailer, the heaviest cargo should be placed:

It is important that vehicles are not top-heavy, if at all possible. A top-heavy vehicle is at an increased risk of rollover. Place the heaviest pieces of cargo underneath lighter pieces of cargo.

7 . If you are driving in fog, you should not:

If you must drive in fog, be sure to slow down. Turn on your flashers and low beam headlights.

Wait, before you go

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