Ohio CDL General Knowledge study materials
Ohio CDL General Knowledge study resources

Ohio CDL General Knowledge case studies

Ohio CDL General Knowledge · Put your knowledge to work in context.

The Ohio CDL General Knowledge test is the written knowledge exam the Ohio Bureau of Motor Vehicles uses as the entry point for a commercial driver's license. It is aimed at drivers who intend to operate commercial motor vehicles in Ohio - tractor-trailers, straight trucks, tank vehicles, buses and similar - and who must first demonstrate core knowledge before adding endorsements or taking skills tests. The Ohio CDL General Knowledge case studies are 5 cases and about 3,588 words.

1

The Scale Ticket the Shipper Calls 'Close Enough'

You are assigned a 3-axle straight truck: 12,000 lb front axle, 34,000 lb rear tandem (20,000 lb per axle), 50,000 lb GVWR. At the shipper, 12 pallets at 2,100 lb each are loaded nose-to-tail, and you pull onto a certified scale before leaving the property.

739 words, about 4 min
2

Four Miles of Six Percent with the Brakes Already Smelling

You are driving a 5-axle tractor-semitrailer at 78,000 lb gross down a 6% grade posted "4 MILES - TRUCKS USE LOW GEAR." At the top you are in 9th of a 10-speed manual, engine brake on high, doing 48 mph; the posted truck advisory is 35 mph. You chose 9th because traffic behind you was moving fast and the engine was already near the governor.

713 words, about 4 min
3

72 Feet of Trailer and 50 Feet of Clear Space

on a two-lane rural Ohio road. You are driving a 72-foot tractor-semitrailer with 42,000 lb of bagged feed.

739 words, about 4 min
4

Sixty-Two Miles, a Closing Dock, and Ice in the Forecast

You came on duty at 5:00 a.m. and have driven 9 hours 15 minutes of your 11-hour limit; your last 30-minute break ended at 9:30 a.m.

661 words, about 3 min
5

Steer Tire at 65 with the Cruise Set

You are on I-71 in the right lane at 65 mph with the cruise control set, grossing 78,500 lb. The right front steer tire blows.

736 words, about 4 min