Maine CDL General Knowledge case studies
Maine CDL General Knowledge · Put your knowledge to work in context.
The Maine CDL General Knowledge test is the written knowledge exam that the Maine Bureau of Motor Vehicles requires before a commercial learner's permit or commercial driver's license can be issued. It is aimed at anyone planning to drive a Class A, B, or C commercial vehicle on public roads, whether for a trucking employer, a bus or passenger operation, or a business that runs its own trucks. The Maine CDL General Knowledge case studies are 5 cases and about 3,056 words.
1Air Leak at the Loading Dock
in January, a driver is assigned a 2018 tandem-axle tractor pulling a 53-foot dry van loaded to 78,000 pounds. During the pre-trip, the engine is off and the system is fully charged; the governor cut out at 122 psi.
684 words, about 3 min2Right Turn With a Car in the Blind Spot
At 3:30 p.m., a 75-foot tractor-trailer is delivering to a downtown store. The driver must turn right from a two-lane street onto a 24-foot-wide cross street.
619 words, about 3 min3Fog on a Two-Lane at 2 A.M.
At 2:10 a.m., a driver is 90 miles from the terminal in a 26,000-pound box truck on a two-lane state route. The posted speed is 45 mph, the pavement is wet, and patches of fog reduce visibility to 100–150 feet, then clear without warning.
610 words, about 3 min4Scale Ticket Doesn't Match the Axle Limits
A 48-foot flatbed is loaded with 24-foot lumber bundles totaling 44,000 pounds. The tractor has a 12,000-pound steer axle, 34,000-pound drive tandems, and the trailer has 34,000-pound tandems; gross limit is 80,000 pounds.
577 words, about 3 min5Brake Smell on a Charter Run
At 3:00 p.m., a 47-passenger motorcoach is descending a 6% grade in western Maine. There are 42 passengers aboard, including six children and two wheelchair users; luggage is loaded in the lower bays.
566 words, about 3 min