10 exam-style questions with answers and explanations, straight from our 1,030-question bank. Tap an answer to check yourself. When you're ready, take the scored version in the free practice test.
These 10 free AK-CDL questions are organized by exam domain, so you can see how each part of the Alaska CDL Permit Test blueprint is tested. Reveal the answer and explanation under each question.
A commercial driver is found to have a BAC of 0.02% while operating a CMV. There is no crash or other major offense. What consequence applies under the commercial alcohol rule?
Correct answer: B - Be placed out of service for 24 hours
During a pre-trip inspection, a driver measures 3/32 inch of tread in every major groove of both a steering-axle tire and a drive-axle tire. Neither tire has other damage. What should the driver do?
Correct answer: C - Replace the steering tire before driving; the drive tire meets the minimum
A 70-foot combination vehicle is traveling at 55 mph on a dry, level road with a 7-second following gap. What adjustment is required?
Correct answer: B - Increase the gap by at least one second
The left front tire blows out on a loaded straight truck at highway speed, and the steering wheel pulls sharply. Which response should come first?
Correct answer: D - Hold the wheel firmly, avoid braking initially, then slow under control
At startup, the ABS warning lamp remains on after its normal bulb check, but the service-brake test is normal and no other brake defect is found. How should the vehicle be handled?
Correct answer: A - Drive cautiously and arrange prompt ABS service
After several hours of night driving, a driver has heavy eyelids, drifts within the lane, and cannot remember the last few miles. The terminal is 30 miles away. The best next action is to:
Correct answer: C - Pull off at a safe place and sleep before continuing
A load was inspected before departure and again 48 miles into the trip. Ninety miles and two hours later, the driver stops for a meal. Before pulling back into traffic, the driver must:
Correct answer: A - Recheck the cargo and securing devices
An 18,000-pound machine is secured by four undamaged tiedowns, each contributing 2,000 pounds of working load limit. The tiedown count and anchor points otherwise comply. Which proposed correction produces a compliant aggregate WLL?
Correct answer: A - Add one properly attached tiedown contributing 2,000 pounds of WLL
A motorcoach approaches a drawbridge controlled by a green traffic signal. The draw appears fully closed and no attendant is giving contrary instructions. What is the proper approach?
Correct answer: B - Slow, confirm the draw is closed, and proceed when safe
During a static air-loss check on a fully charged tractor-semitrailer, the engine is off and both the parking and service brakes are released. Pressure drops 3.2 psi in one minute. How should this result be interpreted?
Correct answer: D - It fails the static test and requires repair before operation
The AK-CDL exam also covers these domains. Drill them in the full free practice test:
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