Ohio CDL Tanker Test study materials
Ohio CDL Tanker Test study resources

Ohio CDL Tanker Test case studies

Ohio CDL Tanker Test · Put your knowledge to work in context.

The Ohio CDL Tanker Test is the knowledge exam that adds the tank vehicle endorsement (N) to an Ohio commercial driver license, allowing a driver to operate a commercial motor vehicle that carries liquid or gaseous cargo in a permanently or temporarily attached tank. It is written for CDL holders and CDL applicants who plan to haul fuel, chemicals, milk, water, or other bulk liquids, and it is normally taken alongside or after the general CDL knowledge tests. The Ohio CDL Tanker Test case studies are 5 cases and about 2,693 words.

1

Dome Cover Leak, Missing Placard, and Expired Tank Tests

At a Columbus terminal you are assigned a 2012 DOT 406 cargo tank, 9,000-gallon capacity, to load 7,500 gallons of gasoline. The tank is a single compartment with no internal baffles.

610 words, about 3 min
2

Partially Loaded Smooth-Bore Tank on a 25 mph Off-Ramp

You are driving a 7,000-gallon smooth-bore tank trailer loaded with 3,200 gallons of liquid fertilizer-about 46 percent full. The trailer has a high center of gravity and no baffles.

569 words, about 3 min
3

Stop-and-Go Surge in a Smooth-Bore Milk Tanker

You are driving a 6,200-gallon smooth-bore tanker carrying 3,000 gallons of milk-just under half full. The tank is a single compartment with no bulkheads.

483 words, about 2 min
4

Unloading Gasoline With a Damaged Bonding Cable

You arrive at a retail station to unload 2,500 gallons of regular gasoline from a 3-compartment tanker into a 10,000-gallon underground tank. The station has a vapor-recovery system.

537 words, about 3 min
5

Brake Fade on a 6% Downgrade With 7,000 Gallons

You are driving a 9,000-gallon tanker loaded with 7,000 gallons of water-based drilling fluid-about 78 percent full-down a 6 percent grade that runs for 4 miles. The posted truck speed is 35 mph.

494 words, about 2 min