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 ME-CDL questions are organized by exam domain, so you can see how each part of the Maine CDL Permit Test blueprint is tested. Reveal the answer and explanation under each question.
A contractor operates commercially with a straight truck rated at 28,000 lb gross vehicle weight rating (GVWR) while towing a utility trailer rated at 9,000 lb GVWR. The vehicle carries no placarded hazardous material and is not designed to transport passengers. Which CDL class is required?
Correct answer: B - Class B, because the power unit is at least 26,001 lb and the trailer is 10,000 lb or less
A 60-foot combination vehicle is traveling at 50 mph on dry pavement. The driver measures a 5-second gap behind the vehicle ahead. Which statement correctly applies the standard CDL following-distance rule?
Correct answer: B - The minimum is 7 seconds, so the driver should ease off until that gap is restored
During a pretrip inspection, all tires are otherwise sound. A front steering tire measures 3/32 inch in every major groove, and a drive-axle tire also measures 3/32 inch. The correct departure decision is:
Correct answer: C - Replace the steering tire before driving; the drive tire meets the tread minimum
A tractor-trailer approaches a tight urban right turn while cars are close behind. To reduce the chance that a car will squeeze into the right-side offtracking path, the driver should:
Correct answer: B - Keep the rear wheels close to the curb, then swing wide only after entering while checking mirrors
A box truck is disabled just beyond the crest of a hill on a two-way road. The usual 100-foot placement on the hidden approach side would not be visible until drivers are about 70 feet away. How should that far warning triangle be repositioned?
Correct answer: D - Move it 100 to 500 feet toward approaching traffic, where it is visible before the crest
A fully loaded truck begins a long downgrade after the driver has selected a safe speed of 40 mph and chosen a low gear. Which brake-use pattern best controls speed while limiting brake fade?
Correct answer: A - Apply firm braking to about 35 mph, release, and repeat when speed returns to 40 mph
On an icy curve, the tractor continues moving nearly straight even though the driver has turned the steering wheel. The slide began during braking. These findings most strongly indicate:
Correct answer: D - A front-wheel skid; reduce braking and steering demand until the front tires regain traction
At highway speed, a loud bang is followed by heavy steering and rapid vibration from the left front of a truck that is still tracking in its lane. The driver should first:
Correct answer: D - Grip the wheel firmly, stay off the brake initially, and ease off the accelerator
A 24-foot crated industrial component weighing 12,000 lb is blocked against forward movement. It is secured by four properly placed over-the-top tiedowns, each running from one vehicle anchor point to another and rated at a 1,750-lb working load limit (WLL). All components are undamaged and equally rated. This securement:
Correct answer: A - Meets both the tiedown-count rule and the minimum aggregate WLL requirement
A loaded axle weighs 18,600 lb. Its gross axle weight rating (GAWR) and the route limit are both 20,000 lb, but the combined load rating of the tires on that axle is 18,000 lb. Departure is lawful only after the driver:
Correct answer: C - Reduces or redistributes the load until the axle is at or below 18,000 lb
The ME-CDL exam also covers these domains. Drill them in the full free practice test:
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