After a vehicle is started, the warning lights and buzzers should go out after a few seconds. If the warning signals do not turn off, there may be something wrong with the vehicle.

Warning lights should come on and then quickly turn off.

The brakes should be locked up.

Warning lights should come on and then quickly turn off.

The coolant temperature will decrease.

Always check your mirrors and use the proper signal when changing lanes. Be sure there is enough space for your entire vehicle in the next lane before you begin moving.

Quickly swerve your vehicle into the other lane.

If cargo is covered, the cover should not flap in the wind in transit. The cover could tear loose, uncovering the cargo while potentially blocking your view or the view of others.

Allows air to keep the cargo cool.

Cargo and its securing devices must be inspected before starting a trip. After beginning a trip, the driver should check the load and securing devices within the first 50 miles on the road, every three hours or 150 miles traveled, and after every break.

Stop and check on the cargo within the first 50 miles of the trip.

Ask other drivers about the condition of their load.

Use the side mirrors only to check on the cargo.

Not check on the cargo if it was secured properly before starting the trip.

Retarders help to slow vehicles, reducing drivers' need to use brakes.

A device that prevents a vehicle from going too fast

A device that prevents a vehicle from being too loud

A device that improves a vehicle's gas mileage

A header board protects a driver from moving cargo in the event of a crash or emergency stop.

Protect drivers from being hit by cargo.

Protect drivers' heads when they are entering the cab of a truck.

Class A Driving Test | South Dakota 2024 #2 Page 7 of 7

Train for FREE online with our South Dakota class A 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 A permit in 2024, 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 A requirements may vary from state to state.

Number of Question 50

Passing Score 40

Number of Tests 20

Class A Driving Test | South Dakota 2024 #2 Page 7 of 7

43 . When an engine is started:

44 . When changing lanes, you should:

45 . A cargo cover that flaps while you are driving:

46 . When driving with a load, the driver should:

47 . When driving at highway speeds, you should watch the road about ____ ahead of your vehicle.

48 . What is a retarder?

49 . Header boards:

50 . What kind of force do emergency brakes use?

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