Delaware CDL General Knowledge case studies
Delaware CDL General Knowledge · Put your knowledge to work in context.
The Delaware CDL General Knowledge test is the minimum written knowledge exam that every Delaware Commercial Driver License applicant must pass before moving on to skills testing. It is administered by the Delaware Division of Motor Vehicles at any Division facility, and it is taken walk-in only - no appointment is needed for knowledge testing. The Delaware CDL General Knowledge case studies are 5 cases and about 3,364 words.
1Brake Fade on a 6% Descent with 78,000 lb Aboard
You are driving a five-axle tractor-semitrailer loaded with 44,000 lb of bagged sand through the Appalachian Mountains. Gross weight is about 78,000 lb.
709 words, about 4 min2Overweight Drive Tandem and Short Tie-Down Count at a Delaware Scale
You are at a Delaware weigh station on I-95 with a 48-foot flatbed loaded with 24 bundles of lumber, each about 2,000 lb. The load is stacked two tiers high, 8 feet tall, and spans the full 48 feet of the deck.
674 words, about 3 min3Trailer Tire Blowout Beside a Barrier in the Rain
You are driving a three-axle tractor pulling a 53-foot empty van at 60 mph in the right lane of a three-lane divided highway. It has been raining for an hour and the pavement is wet.
650 words, about 3 min4Lowboy High-Centered on a Crowned Railroad Crossing
You are pulling a lowboy loaded with a track excavator. The deck sits about 14 inches above the pavement, and the rear ramp overhang extends 4 feet behind the last axle.
658 words, about 3 min5Drowsy at 19:40 with 40 Miles and a 22:00 Appointment
You came on duty at 08:00 and have logged 10 hours 10 minutes of driving, including a 30-minute break and a 30-minute fuel stop. Forty miles remain on a two-lane road with no lighting, light rain, and deer-crossing signs every few miles - about 50 minutes at a safe speed for these conditions.
673 words, about 3 min