CDL Exam Coach

CDL Tanker (N) endorsement knowledge test study guide

CDL Tanker (N) endorsement knowledge test, administered by state DMV/DOT under FMCSA, is mapped here as 7 topic areas; the heaviest are Surge Physics (22%), Tank Types (20%) and Definition & Scope (16%).

About this course: Understand liquid surge, tank types, inspections and safer driving decisions.

Topic areas and weights

Topic areaWeightConceptsGuide
Definition & Scope16%0Section below
Surge Physics22%0Section below
Tank Types20%0Section below
Outage & Filling12%0Section below
Braking & Stopping16%0Section below
Curves & Rollover9%0Section below
Inspection & Emergencies5%0Section below

Study plan in this course

  1. Do I Even Need the N? — the 119/1,000 rule: Definition & Scope — 5 cards · free
  2. The Surge Story — feel the load move: Surge Physics — 6 cards · free
  3. Baffled, Bulkhead, Smooth Bore — the memorization wall: Tank Types — 6 cards · full course
  4. Outage — leave the liquid room to grow: Outage & Filling — 4 cards · full course
  5. Braking — early, even, easy off: Braking & Stopping — 5 cards · full course
  6. High and Tippy — curves and rollover: Curves & Rollover — 3 cards · full course
  7. Inspection & Emergencies — keep it sealed, keep it safe: Inspection & Emergencies — 3 cards · full course

Definition & Scope

Definition & Scope carries 16% of the CDL Tanker (N) endorsement knowledge test blueprint used in this course, the third-largest of its 7 weighted areas. The course teaches it in 1 study unit: Definition & Scope.

In the app this area comes with 5 memory cards and 7 module-quiz questions and is part of the free starting modules.

Surge Physics

Surge Physics carries 22% of the CDL Tanker (N) endorsement knowledge test blueprint used in this course, the largest of its 7 weighted areas. The course teaches it in 1 study unit: Surge Physics.

In the app this area comes with 6 memory cards and 8 module-quiz questions and is part of the free starting modules.

Tank Types

Tank Types carries 20% of the CDL Tanker (N) endorsement knowledge test blueprint used in this course, the second-largest of its 7 weighted areas. The course teaches it in 1 study unit: Tank Types.

In the app this area comes with 6 memory cards and 7 module-quiz questions in the full course.

Outage & Filling

Outage & Filling carries 12% of the CDL Tanker (N) endorsement knowledge test blueprint used in this course, the 5th-largest of its 7 weighted areas. The course teaches it in 1 study unit: Outage & Filling.

In the app this area comes with 4 memory cards and 5 module-quiz questions in the full course.

Braking & Stopping

Braking & Stopping carries 16% of the CDL Tanker (N) endorsement knowledge test blueprint used in this course, the 4th-largest of its 7 weighted areas. The course teaches it in 1 study unit: Braking & Stopping.

In the app this area comes with 5 memory cards and 7 module-quiz questions in the full course.

Curves & Rollover

Curves & Rollover carries 9% of the CDL Tanker (N) endorsement knowledge test blueprint used in this course, the 6th-largest of its 7 weighted areas. The course teaches it in 1 study unit: Curves & Rollover.

In the app this area comes with 3 memory cards and 4 module-quiz questions in the full course.

Inspection & Emergencies

Inspection & Emergencies carries 5% of the CDL Tanker (N) endorsement knowledge test blueprint used in this course, the 7th-largest of its 7 weighted areas. The course teaches it in 1 study unit: Inspection & Emergencies.

In the app this area comes with 3 memory cards and 7 module-quiz questions in the full course.

Official references

  • 49 CFR: 383.5
  • State CDL Manual
  • AAMVA CDL model manual

Start the free CDL Tanker (N) endorsement knowledge test modules → · Pricing · FAQ