FREE South Carolina CDL Doubles & Triples Practice Test (2023)

1. Which of the following statements about drivers fixing an engine or changing a tire is true?

They often do not pay attention to roadway traffic.
They usually pay attention to the danger roadway traffic is to them.
Roadway traffic is not a danger to them.
They must park within 5 feet of the roadway.

2. You should be especially alert for drunk drivers:

3. You have two tie-downs on a 15 foot load. How many more tie-downs do you need to secure cargo and keep it from shifting or falling?

4. When coupling double trailers, you can secure the second trailer by:

setting the trailer emergency brakes.
chocking the wheels.
using the trailer spring brakes.
All of the above.

5. Truck tractors with air brakes built after March 1, 1997, are required to be equipped with:

6. Placards are:

a type of safety equipment.
devices placed below a vehicle to improve traction.
signs put inside a vehicle used to warn others of hazardous materials.
signs placed on a vehicle to identify the hazard class of the cargo.

7. Another name for front-end header boards is:

8. Rims with welding repairs:

are not safe.
can be used for tires in the front of the vehicle.
are acceptable only when carrying a heavy load.
can be used for tires in the rear of the vehicle.

9. Fully loaded rigs:

are just as likely to roll over as empty rigs.
are much more likely to roll over than empty rigs.
are less likely to roll over than empty rigs.
None of the above.

10. Pre-trip inspections are:

recommended.
required by law
required only for trips of more than 100 miles.
required only for trips of more than 50 miles.

CDL DOUBLES TRIPLES PRACTICE TEST SOUTH CAROLINA