20 Tests

CDL Combination Vehicles Practice Test Online | Minnesota 2021

Train for FREE online with our Minnesota CDL combination vehicle 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 MN combination license in 2021, practice as much as.. Read More

Train for FREE online with our Minnesota CDL combination vehicle 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 MN combination 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 for issuing a combination license may vary from state to state.

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1 . When traveling more slowly than 40 mph, maintain at least ____ of following distance per every 10 feet of your vehicle.

Four seconds At speeds below 40 mph, you should allow at least one second of following distance for every 10 feet of your vehicle. Follow the same formula when traveling at faster speeds, then add one additional second to your following distance. Remember that larger vehicles require more space to stop than smaller vehicles.

2 . If your trailer beings to drift off course while you are backing, you should:

Return the steering wheel to the 12 o’clock position. If your trailer begins to drift while you are backing, you should correct the drift immediately by turning the top of the steering wheel in the direction of the drift.

3 . If unsure if a trailer is equipped with ABS, you can:

Remove a tire and look for the ABS sensor on the axle. Trailers and converter dollies built on or after March 1, 1998 are required to have Anti-Lock Braking Systems (ABS). This will be indicated by the presence of a yellow malfunction lamp. You can determine if older trailers have ABS by checking under the trailers for ECU and wheel speed sensor wires coming from the back of the brakes.

4 . To prevent a trailer from rolling over, you should:

Drive slowly around corners. To reduce the risk of a rollover when driving a combination vehicle, you should keep the weight of the cargo as low to the ground as possible and drive slowly around turns.

5 . If a parked trailer does not have spring brakes, you should keep the trailer from moving by:

If a parked trailer does not have spring brakes, wheel chocks should be used to prevent it from moving.

6 . Rollovers happen when drivers:

Drive illegally. A rollover happens as a result of a driver taking a turn at too high a speed. Be sure to take turns and curves safely and slowly.

7 . Combination vehicles need extra space on the road because they:

Combination vehicles need more space on the road than other commercial vehicles because they are longer and need more space to turn and stop. It is especially important to properly manage space when you are operating a combination vehicle.

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