Missouri CDL Combination case studies
Missouri CDL Combination · Put your knowledge to work in context.
The Missouri CDL Combination credential is the Class A commercial driving qualification for drivers who operate tractor-trailers and other combination vehicles on Missouri roads. It is issued through the Missouri Department of Revenue's driver licensing process, and the Department's Commercial Drivers page is the starting point for requirements, medical certification, and links to the Missouri Driver Guide and testing-site locator. The Missouri CDL Combination case studies are 5 cases and about 2,983 words.
1Coupling a Loaded Trailer With a Height Mismatch
You are picking up a loaded 53-foot van trailer at a Missouri distribution center. The tractor is a day cab with a sliding fifth wheel; the trailer's kingpin plate sits about 3 inches higher than the tractor's fifth wheel.
670 words, about 3 min2Cold-Morning Air Brake Pre-Trip on a Combination
You are doing a pre-trip inspection on a tractor-semitrailer in Springfield, Missouri, on an 18°F morning. The air system is charged to 120 psi.
584 words, about 3 min3Right Turn at a Tight Corner With a 75-Foot Combination
You are driving a 75-foot tractor-trailer with a 53-foot trailer through a small Missouri town. You need to turn right from a two-lane road onto a narrower street.
579 words, about 3 min4Brake Fade on a Missouri Downgrade
You are driving a 78,000-lb tractor-trailer south on I-44 near Rolla, Missouri, on a 6% downgrade posted 45 mph for trucks. You started down at 45 mph in 8th gear, but traffic slowed to about 30 mph.
568 words, about 3 min5Overweight Axles at a Missouri Weigh Station
You are at a Missouri weigh station with a 3-axle tractor and a tandem-axle trailer. The scale reads: steer axle 12,500 lb (limit 12,000), drive tandems 34,500 lb (limit 34,000), trailer tandems 33,000 lb (limit 34,000).
582 words, about 3 min