Alabama CDL General Knowledge study plan

Define the three most common causes of large-vehicle crashes and state the specific behavior that prevents each

List the minimum following distances for speeds from 25 to 60 mph and recite the 'one second per ten feet' rule

Explain how gross weight, road surface, and slope change stopping distance, using at least three concrete examples

Identify the four conditions that require reducing speed below the posted limit

Describe the correct response to a tire blowout, brake failure, and hydroplaning in sequence

State the rules for driving through fog, heavy rain, and high wind, including when to stop entirely

Explain night-driving adjustments for speed, following distance, and glare recovery

List the steps for safely descending a long steep grade, including gear selection and brake use

Distinguish between a hazard and a potential hazard, and classify 20 road situations into each category

Explain how to use mirrors, scanning, and traffic patterns to spot hazards early

Describe how to read other drivers' actions and road conditions as early warning signs

State the connection between early hazard recognition and required following distance

Describe the correct procedures for starting, warming up, and backing a large vehicle, including the use of a spotter

Explain when and how to use the clutch, and identify the consequences of coasting or riding the clutch

State the correct shifting sequence for upshifting and downshifting, including the role of rpm

Explain how to shift on a grade and how to recover from a missed gear

Identify the major components of an air brake system and state the function of each

Explain the low-air-pressure warning and the conditions that trigger emergency spring brakes

Describe the correct procedure for a static leak test and an applied-pressure leak test, including pass criteria

State the correct method for testing the slack adjusters and the parking brake

Explain the purpose of the fifth wheel, kingpin, and locking jaws, and describe how to verify coupling

Describe the correct procedure for uncoupling and for inspecting the coupling after connection

State the rules for turning, braking, and backing a combination vehicle, including off-tracking and rearward amplification

Explain how to check that the trailer air lines and electrical cord are properly connected and secured

State the cargo securement requirements for weight distribution, tiedowns, and load limits

Explain how to inspect cargo and the consequences of shifting or overloaded loads

List the seven-step vehicle inspection sequence and the items checked at each step

Describe what to check during the en-route and after-trip inspection

Identify the main sources of distracted driving and state the rules for phone and device use

Explain the required actions at a railroad-highway crossing, including when to stop and when to proceed

Describe the dangers of crossing gates, signals, and multiple-track crossings

Complete a timed mixed review across all ten domains and log every missed item by domain