Florida CDL Practice Test: Class A - Test 2 2026
Based on
2026 FL CDL Handbook
Instruction: When applying for this license, applicants must pass a 50-question test. And applicants must score 80% to pass the test. The following questions are based on the details provided in the FL CDL Handbook. Endorsements that may be used with a Class A CDL include Hazardous Materials, Passenger, Double and Triples, HazMat and Tanker, Air Brakes and School bus. If you need additional information, please contact your local DMV office. You can find your nearest DMV office at Florida DMV locations.
5. The emergency line has two functions. It controls the emergency brakes on combination vehicles and what else?
A
To prevent your front wheels from turning toward the street.
B
To supply air to the trailer air tanks.
C
To prevent your rear wheels from turning toward the street.