ND CDL General Knowledge case studies
ND CDL General Knowledge · Put your knowledge to work in context.
The North Dakota Commercial Driver License (CDL) General Knowledge Test is the written knowledge exam that NDDOT administers as part of the CDL process. It is intended for drivers who operate or plan to operate commercial motor vehicles - tractor-trailers, straight trucks, tank vehicles, buses, and other heavy combinations - on North Dakota roads and across state lines. The ND CDL General Knowledge case studies are 5 cases and about 3,459 words.
1Steer Tire Blowout at 62 mph After a Written-Off Defect
At 06:40 you leave a terminal outside Bakersfield with a five-axle tractor-trailer, gross weight 76,400 pounds, 3,100 of it on the steer axle. Last night's inspection of the left steer tire found 92 psi against a 110 psi specification, 4/32 inch of tread in the outer groove, and a golf-ball-sized bulge on the sidewall.
714 words, about 4 min2Air Leak Test Fails the Applied Test - Dispatch Wants the Load
You are assigned a 300-mile run with a 62,000-pound dry van and a 15-minute window to make your appointment. Before leaving, you run the air brake checks with the system fully charged to 120 psi and the engine off.
700 words, about 4 min353-Foot Trailer, Tight Right Turn, Curb Strike and a Load Shift
You are driving a 53-foot van, 13 feet 6 inches high, gross 78,900 pounds, with 42,000 pounds of palletized beverage. You need to turn right from a four-lane arterial onto a two-lane street.
702 words, about 4 min4Placards, a Tunnel Restriction, and a Seeping Drum
at a chemical distributor. Your load: 2,600 pounds net of UN1263, Paint, Class 3, PG II, in 55-gallon steel drums; 900 pounds net of UN1789, Hydrochloric acid, Class 8, PG II, in 13-gallon carboys; and 300 pounds net of UN1066, Nitrogen, compressed, Class 2.2, in cylinders.
668 words, about 3 min5Trailer Air Supply Knob Pops Out - Bungee It and Go?
At 03:20 in a drop yard you back under a loaded 48-foot trailer. You hear the fifth-wheel jaws close and do a tug test; the trailer holds.
675 words, about 3 min