Illinois cdl Class A Knowledge Test - 1
Number of questions: 50
Passing score: 80%
Acceptable number of errors: 10
This license is required for driving any legal combination of vehicles, with a gross combination weight rating of 26,001 pounds or more, provided the GVWR of a trailer exceeds 10,000 pounds. To receive this license, applicants must pass a 50-question test. Test questions come from the Illinois Commercial Drivers License Study Guide. To pass, applicants must answer 40 questions correctly. 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 A CDL are: Hazardous materials, Tank, Passenger, Doubles/Triples, HazMat, Tank, Air Brakes, School bus and Charter.
To DMV Handbooks43. When starting the engine of a truck with a trailer, how can you tell if the Anti-Lock Braking System (ABS) is not working?
The yellow light on the rear of the trailer will stay on.
The red light on the trailer will flash three times and then stay on.
All the rear lights on the trailer will flash and then shut off.
The blue light near the driver's door will light.