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These 10 free AL-CDL questions are organized by exam domain, so you can see how each part of the Alabama CDL Permit Test blueprint is tested. Reveal the answer and explanation under each question.
A carrier assigns a driver to a truck with a 24,500-lb GVWR towing a trailer with a 12,500-lb GVWR. The manufacturer lists the combination at a 37,000-lb GCWR. The vehicle is not carrying placarded hazardous materials or 16 or more people. What class of CDL is required?
Correct answer: C - Class A
After the required first-50-mile cargo check at 8:05 a.m., a driver travels another 142 miles without a break. At 11:10 a.m., no further inspection has been made. Which assessment is correct?
Correct answer: A - The inspection is overdue because the three-hour limit came first
A 60-foot tractor-trailer is traveling at 55 mph on a dry, level highway. Traffic is steady, and the driver has a six-second following gap. Under the CDL following-distance rule, the driver should:
Correct answer: D - Increase the gap to at least seven seconds
At highway speed, the right front tire suddenly blows. The vehicle pulls sharply toward the shoulder, but the lane ahead is clear. The driver's first response should be to:
Correct answer: B - Grip the wheel firmly and avoid braking at first
An H-endorsed driver approaches a railroad crossing with a placarded load. The crossing is not marked EXEMPT. The gates are up, but stopped traffic beyond the tracks leaves only 35 feet of clear pavement for a 62-foot vehicle. What should the driver do?
Correct answer: B - Stop 15-50 feet from the rail and wait for clearance
At 5:00 p.m., a property-carrying driver has been on duty since 6:00 a.m. after 10 consecutive hours off. The driver has accumulated 7.5 hours of driving and has just completed a qualifying 30-minute on-duty, non-driving break. The 60/70-hour limit is not a factor, and no exception applies. How much longer may the driver legally drive?
Correct answer: D - 3 hours
A 14,600-lb machine will be secured with identical tiedowns rated at 2,000 lb WLL each. The machine's length and placement do not require a greater number. What is the minimum number needed to satisfy the aggregate WLL rule?
Correct answer: A - Four
During a pre-trip inspection, a driver measures 3/32 inch of tread in the major grooves of both steer tires and 3/32 inch on every drive tire. No cords, bulges, or other damage are visible. Which finding requires correction before the trip?
Correct answer: C - The steer tires only
During a dual-air inspection, the low-air warning buzzer activates at 62 psi and the parking-brake controls pop out at 34 psi. How should the driver evaluate these results?
Correct answer: B - Both tests pass
With the wheels chocked, engine off, parking brakes released, and system stabilized, a tractor-semitrailer loses 3.5 psi in one minute while the service brake is fully applied. No other defect is observed. Under the combination-vehicle applied-leak standard, this result:
Correct answer: A - Passes; 3.5 psi is within the applied limit
The AL-CDL exam also covers these domains. Drill them in the full free practice test:
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