Colorado CDL General Knowledge case studies
Colorado CDL General Knowledge · Put your knowledge to work in context.
The Colorado CDL General Knowledge test is the written knowledge exam that the Colorado DMV uses within its Commercial Driver License program. The Colorado DMV lists Commercial Driver License as a service line under Driver/ID Services, and CDL-related transactions can be started through myDMV online services or handled at a driver license office. The Colorado CDL General Knowledge case studies are 5 cases and about 3,748 words.
1Fog, a Slow Tractor, and 200 Feet of Visibility
You are driving a three-axle straight truck rated at 54,000 lb GVW, loaded with 21 skids of bagged fertilizer, eastbound on a two-lane state highway at 9:40 p.m. The posted limit is 55 mph and you are holding 50 mph.
777 words, about 4 min2Four Air Brake Checks, Two Failures, One Deadline
Pre-trip on a 2019 three-axle tractor pulling a 53-ft van, in a terminal yard at 70 degrees F, engine at fast idle. You run the air brake checks in order.
729 words, about 4 min3Right Turn, Tight Corner, and a 53-Foot Trailer
and you are turning right from a four-lane arterial onto a two-lane street in a mountain town. The lanes are 12 ft wide and you are in the right lane.
785 words, about 4 min4The Leaking Acid Drum and the Carbide
At a chemical distributor's dock you are handed a shipping paper and a load for a 300-mile run. The paper lists four entries: 1,100 lb of UN 1993, Flammable liquid n.o.s., Class 3, PG II; 600 lb of UN 1789, Hydrochloric acid, Class 8, PG II; 400 lb of UN 1479, Oxidizing solid n.o.s., Class 5.1, PG III; and 5 lb of UN 1402, Calcium carbide, Class 4.3, PG I.
744 words, about 4 min5Half-Full Smooth-Bore on a Wet Loop Ramp
You are assigned a 6,000-gallon smooth-bore tanker with a single un-baffled barrel. Today it is loaded to 3,100 gallons - about 52 percent - of a liquid weighing 7.5 lb per gallon, roughly 23,000 lb of product.
713 words, about 4 min