Florida CDL General Knowledge Practice Test

Practice the full General Knowledge question set for the Florida CDL knowledge test. Every question comes with an instant explanation and its manual topic, so you learn the rule behind the answer instead of memorizing letters.

Free and unlimited. Every answer is explained, and your progress is saved only in your browser — no account needed.

How it works

Answer one question at a time. You will see immediately whether you were right, plus a short explanation and the manual topic for every question. At the end you get your score and can re-drill only the questions you missed.

400 questions · Topics: Vehicle Inspection, Space & Speed Management, Safe Driving & Hazard Perception, Impairment, Fatigue & Distraction, Cargo Handling & Securement, Emergencies & Skid Control, Special Driving Conditions, Railroad Crossings & Other, Powertrain & Brake System Basics, Coupling Basics, Accident Procedures, Alcohol & Drug Rules, Fire & Emergency Response, Tire & Suspension Faults, Brake Failure & Runaway Ramps, Fatigue & Hours-of-Service Awareness, Backing & Blind Spots, Winter & Cold-Weather Driving, Hot Weather & Tire Heat, Hazardous Materials Basics, Shifting, Gauges & Engine Controls, Cargo Securement Deep-Dive & Roadside Inspections.

About this practice test

This set drills the General Knowledge topics from the official CDL manual: vehicle inspection, space & speed management, safe driving & hazard perception, impairment, fatigue & distraction, cargo handling & securement, emergencies & skid control, special driving conditions, railroad crossings & other, powertrain & brake system basics, coupling basics, accident procedures, alcohol & drug rules, fire & emergency response, tire & suspension faults, brake failure & runaway ramps, fatigue & hours-of-service awareness, backing & blind spots, winter & cold-weather driving, hot weather & tire heat, hazardous materials basics, shifting, gauges & engine controls, cargo securement deep-dive & roadside inspections. The real Florida test is given by the Florida Department of Highway Safety and Motor Vehicles (DHSMV); format and passing scores are summarized on the Florida CDL hub page.

When this set feels easy, switch to the Exam Simulator for a timed, no-feedback run, or review with flashcards.

Frequently asked questions

How many questions are on the Florida General Knowledge test?

The General Knowledge test is typically 50 multiple-choice questions, and most states allow about an hour. Endorsement tests are shorter.

What score do I need to pass?

Most states, including the typical Florida standard, require about 80% correct on CDL knowledge tests. Confirm the current rule in the official manual.

Are these the actual test questions?

No. These are original practice questions written from the same public manual topics the real test covers. They are designed to teach the material, not to reproduce the exam.