CDL Tanker study materials
CDL Tanker study resources

CDL Tanker case studies

CDL Tanker · Put your knowledge to work in context.

The CDL Tanker (N) endorsement is a knowledge-test endorsement added to a Commercial Driver's License that allows a driver to operate tank vehicles - cargo tanks, portable tanks, and other bulk-liquid containers - on public roads. It is aimed at drivers moving fuel, chemicals, food-grade liquids, milk, water, asphalt, and similar bulk commodities, and it is typically pursued alongside hazmat training by drivers who will haul placarded loads. The CDL Tanker case studies are 5 cases and about 4,476 words.

1

Four Trip Sheets, One Class A CDL

You hold a Class A CDL with no tank (N) and no hazardous materials (H) endorsement. On Monday a dispatcher at a small environmental-services yard hands you four trip sheets and says, 'They're all just tanks - your Class A covers you.' 1.

813 words, about 4 min
2

Cold, Dark Pre-Trip on a Vapor-Rich Tanker

you pre-trip a DOT-406 tanker: 9,000 gallons, four compartments, last load gasoline, now empty and vapor-rich. It is 28 degrees F, the yard is dark, and you are working by flashlight.

898 words, about 4 min
3

The Meter Is Set to 6,480 Gallons

You are loading a 6,500-gallon smooth-bore (unbaffled) single-compartment tank with gasoline at a terminal. Company policy calls for 1% outage.

888 words, about 4 min
4

Three Miles of 6% With 30,000 Pounds Behind You

You are driving an 8,000-gallon smooth-bore tanker at about 60% capacity - roughly 4,800 gallons, about 30,000 lb of product - down a 6% grade that runs 3 miles. The road is wet, the posted limit is 55 mph for cars, and a yellow advisory sign reads 45 mph for trucks.

970 words, about 5 min
5

The Ground Clamp That Will Not Bite

and you are delivering 3,000 gallons of gasoline to a retail station from a four-compartment tanker. The station's grounding connection is a rusty, painted rod, and your bonding clamp will not bite clean metal.

907 words, about 5 min