DMV Cartedefr · California · CDL · Class B Knowledge Test 1

California cdl Class B Knowledge Test - 1

Number of questions: 50

Passing score: 80%

Acceptable number of errors: 10

This license is required for driving a single vehicle with a GVWR of more than 26,000 pounds, a 3-axle vehicle weighing over 6,000 pounds, a bus (except a trailer bus), with endorsement or any farm labor vehicle, with endorsement. To receive this license, applicants must pass a 50-question test. Each question has three answer choices. To pass, applicants must answer 40 questions correctly. Test questions come from the California Commercial Driver Handbook. Questions come from chapters covering: Introduction, Driving Safely, Transporting Cargo Safely, Air Brakes (if applicable), Combination Vehicles, Pre-Trip Vehicle Inspection Test, Basic Vehicle Control Skills Test and On-Road Driving. Endorsements that may be used with a Class B CDL are: Hazardous materials, Tank, Passenger, HazMat and Tank, Air Brakes and School bus.

To DMV Handbooks

48. Having ABS on only one axle:

A ×

Can be dangerous.

B

Still allows you additional control when braking.

C ×

Slows the vehicle, but cannot stop it.

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