Pennsylvania CDL Tanker Test case studies
Pennsylvania CDL Tanker Test · Put your knowledge to work in context.
The tank vehicle (N) endorsement is added to a Pennsylvania CDL when a driver will operate a vehicle designed to carry liquid or gaseous cargo in a permanently attached tank, or a portable tank of 1,000 gallons or more. It applies to fuel delivery drivers, chemical and food-grade haulers, vacuum and septic operators, and anyone pulling a tank trailer. The endorsement is knowledge-only; the skills you need on the road are learned in the yard and on the job. PennDOT's tanker knowledge test draws on the tank vehicle chapter of the Pennsylvania CDL manual. The Pennsylvania CDL Tanker Test case studies are 5 cases and about 2,599 words.
1The Weeping Weld on a Repaired MC-306
At 06:10 on a 28°F morning, you are doing the pre-trip on a 4,900-gallon aluminum MC-306 tanker that came back from a shop yesterday. The repair order says a mounting-bracket weld was reworked at the tank shell near the right rear axle.
585 words, about 3 min2Partial Ethanol Load on a Decreasing-Radius Ramp
You are assigned a 6,200-gallon insulated stainless-steel tanker with three compartments. Dispatch loads 3,000 gallons of ethanol (about 6.6 lb/gal), split as 1,000 gallons in each compartment, because the customer needs a split delivery later.
526 words, about 3 min3Half-Full Compartment on a 5% Downgrade
You are driving an 8,000-gallon tanker with four 2,000-gallon compartments. The load sheet shows: front full (2,000 gal), second empty, third half full (1,000 gal), rear full (2,000 gal).
492 words, about 2 min4Freezing Drizzle on the Shaded Bridge
It is 05:30 in central Pennsylvania. Temperature is 28°F with freezing drizzle.
501 words, about 3 min5Gasoline Tanker Rupture Near a Creek and School
A 5,000-gallon MC-307 tanker carrying 4,200 gallons of gasoline strikes a guardrail on a two-lane road. The rear compartment is ruptured near the bottom, and gasoline is pooling in a shallow ditch that drains toward a creek 150 feet away.
495 words, about 2 min