Knowledge Test Class B #2
Class B Driving Test | South Dakota 2024 #2 Page 7 of 7
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 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 B requirements may vary from state to state.
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43 . Which of the following is not a reason to cover cargo?
You should cover your cargo to protect people from the cargo if it spills, as well as to protect the cargo from the weather.
44 . A low air pressure warning signal should activate:
When tank pressure falls below 5 psi.
In an air brake system, a low air pressure warning signal must come on if air pressure in the tanks falls below 60 psi. This warning signal may come in the form of a light, a buzzer, or a wig wag.
45 . You must have an air brake endorsement:
You must take an air brakes knowledge test to become licensed to operate a vehicle that is equipped with air brakes, including an air over hydraulic braking system.
46 . Rust around wheel nuts may mean:
Rust around wheel nuts can indicate that the nuts are loose. If you find rust near the wheel nuts, check their tightness before beginning to drive.
47 . When approaching a vehicle for a pre-trip inspection, a driver should look under the vehicle:
To see if the vehicle is on a decline.
When approaching your vehicle to conduct an inspection, you should look underneath it to make sure there are no fresh oil, coolant, grease, or fuel leaks on the ground. Leaks can indicate unsafe defects on a vehicle.
48 . Bridges usually:
Bridges tend to freeze before other parts of the road surface. You should be especially careful on bridges when temperatures are near the freezing point.
49 . 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.
50 . If the spring brakes are activated, you should never:
Open the door to the cab.
