20 Tests

CDL Class B Driving Test Online | South Dakota 2021

Train for FREE online with our South Dakota 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 SD CDL class B permit in 2021, practice as much as.. Read More

Train for FREE online with our South Dakota 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 SD 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 . How can you check hydraulic brakes?

Check hydraulic brakes by pumping the brake pedal three times before applying firm pressure to the pedal for five seconds. The pedal should not move. If it does, there may be a leak or some other problem in the braking system.

2 . When completing an offset back/left parking maneuver, a driver should:

If you are asked to complete an offset back/left parking maneuver, you should first pull straight forward, then back up to the left. Your vehicle must be parked completely within the boundaries of the parking space.

3 . A Class 1 hazardous material is:

Explosives are placed in hazardous materials Class 1.

4 . When driving a vehicle equipped with an Anti-Lock Braking System (ABS), you should:

Brake with less force than you would in a vehicle not equipped with ABS. When driving a tractor-trailer combination that is equipped with an Anti-Lock Braking System (ABS), you should brake in the same manner that you would if the vehicle was not equipped with ABS.

5 . How much distance will an air brake-equipped vehicle need to come to a complete stop if it is traveling at 55 mph under ideal driving conditions?

A vehicle's total stopping distance is made up of perception distance, reaction distance, brake lag distance, and braking distance. With all of these factors included, an air brake-equipped vehicle traveling at a speed of 55 mph under ideal driving conditions will need approximately 450 feet to come to a complete stop.

6 . In a vehicle with dual air brakes, a leak in one system ____ the second system.

A dual air brake system is made up of two separate air brake systems. If there is an air leak in one system, it may not affect the other.

7 . During the steering box portion of the vehicle inspection test, you should not:

Assume all cotter keys are present. Before a trip, ensure that the steering box is securely mounted. Check for missing nuts, bolts, and cotter keys. Be sure that there are no power steering fluid leaks and that there is no damage to power steering hoses.

Wait, before you go

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