The School Bus endorsement (S) is only available with a Class A or B CDL, while the Doubles/Triples endorsement (T) is only available with a Class A CDL. With a Class A, B, or C CDL, you can utilise the following endorsements: HazMat (H), Tank Vehicles (N), Tank Vehicles Transporting Hazardous Materials (X), and Passenger Transport (P). Certain types of automobiles also need a particular endorsement. You must pass one or more knowledge examinations depending on the kind of licence (A, B, or C) and endorsements you require.

General Knowledge, Passenger Transport, Air Brakes, Combination Vehicles, Hazardous Materials, Tanker Vehicles, Doubles/Triples, School Bus, and Firefighter are all CDL knowledge examinations. Take this CDL practise test right now to get ready for the real CA general knowledge exam! You must pass both the knowledge and skills examinations to obtain your CDL. The California CDL General Knowledge written test study material is covered in Section 1: Introduction, Section 2: Driving Safely, and Section 3: Transporting Cargo of the Free California CDL Handbook (Commercial Drivers License Manual). In addition, questions from the Combination Vehicles section will be included on the Class A CDL test. Transporting Cargo: Inspecting Cargo, Cargo Weight and Balance, Securing Cargo, Handling Other Cargo. All CDL candidates (Class A, B, and C) must complete the following courses: Driving Safely, Transporting Cargo Safely, Air Brakes (if you want to drive vehicles equipped with air brakes), Vehicle Inspection Test, Basic Control Skills Test, and Road Test. The California CDL Manual is covered in the general knowledge test. To pass, you must answer at least 40 questions properly (80 percent ). The CDL test in California consists of 50 questions. All CDL candidates are required to take the CDL general knowledge test.

California cdl knowledge test