Tanker Vehicles CDL Practice Test
Practice with real Tanker exam questions and detailed explanations. Federally standardized — the same in all 50 states. Rated 4.8 stars by 1,000+ drivers.
Written by CDL holders and exam prep experts · Updated April 2026
Free Questions
10
Passing Score
80%
Time Limit
Typically 30 minutes; varies by testing location
Prerequisites
Valid CDL license required - can be added to any CDL class
What is the Tanker Vehicles Endorsement?
The Tanker endorsement is required for vehicles transporting liquid cargo in tanks of 1,000 gallons or more. This endorsement covers the unique challenges of liquid surge and weight distribution.
Required when transporting liquids/gases in individual tanks ≥119 gallons with aggregate rated capacity ≥1,000 gallons (including portable tanks)
Topic Breakdown
Vehicle Inspection
~6 questions
- Tank and piping inspection
- Emergency shut-off systems
- Leak detection procedures
Driving Techniques
~8 questions
- Liquid surge management
- Cornering and braking techniques
- Weight distribution awareness
Loading and Unloading
~4 questions
- Proper loading procedures
- Outage and weight calculations
- Unloading safety protocols
Emergency Procedures
~2 questions
- Spill response procedures
- Rollover prevention techniques
Free Practice Questions
10 questionsQuestion 1 of 10
A commercial motor vehicle that transports a bulk cargo of liquid or gas within one or more tanks that are either permanently or temporarily attached will primarily require a:
Browse Tanker Questions
- 1. A commercial motor vehicle that transports a bulk cargo of liquid or gas within one or more tanks that are either permanently or temporarily attached will primarily require a:
- 2. Which combination of endorsements is required to transport hazardous materials in a tanker?
- 3. At which fluid capacity does it become necessary to have a tank vehicle endorsement?
- 4. What does liquid surge do to the handling of a tanker?
- 5. Side-to-side surge can cause:
- 6. Which term is used to describe the movement of liquids in partially filled tanks?
- 7. Forward-to-back surge on a slippery surface can:
- 8. When your cargo tank has baffles, what handling effect do you expect?
- 9. Baffles in liquid cargo tanks do not usually prevent ____ surge.
- 10. Tanks transporting food products are required to be unbaffled because of:
Study Tips
- 1Understand liquid surge and its effects
- 2Practice weight calculation problems
- 3Know emergency shut-off procedures
- 4Master cornering techniques with liquid loads
- 5Review state tanker vehicle regulations and requirements
CDL Requirements by State
The Tanker knowledge test is federally standardized, so the questions are the same nationwide. Age, renewal, and training rules vary by state — find yours below.
| State | Min Age (Intra / Inter) | Renewal | ELDT |
|---|---|---|---|
| California | 18 / 21 | 5 yrs | Required |
| Texas | 18 / 21 | 4 yrs | Required |
| Florida | 18 / 21 | 4 yrs | Required |
| New York | 18 / 21 | 8 yrs | Required |
| Pennsylvania | 18 / 21 | 4 yrs | Required |
| Illinois | 18 / 21 | 4 yrs | Required |
| Ohio | 18 / 21 | 4 yrs | Required |
| Georgia | 18 / 21 | 5 yrs | Required |
| Michigan | 18 / 21 | 4 yrs | Required |
| North Carolina | 18 / 21 | 5 yrs | Required |
| Alabama | 18 / 21 | 4 yrs | Required |
| Alaska | 18 / 21 | 5 yrs | Required |
| Arizona | 18 / 21 | 5 yrs | Required |
| Arkansas | 18 / 21 | 4 yrs | Required |
| Colorado | 18 / 21 | 5 yrs | Required |
| Connecticut | 18 / 21 | 4 yrs | Required |
| Delaware | 18 / 21 | 8 yrs | Required |
| Hawaii | 18 / 21 | 4 yrs | Required |
| Idaho | 18 / 21 | 4 yrs | Required |
| Indiana | 18 / 21 | 4 yrs | Required |
| Iowa | 18 / 21 | 5 yrs | Required |
| Kansas | 18 / 21 | 4 yrs | Required |
| Kentucky | 18 / 21 | 4 yrs | Required |
| Louisiana | 18 / 21 | 4 yrs | Required |
| Maine | 18 / 21 | 6 yrs | Required |
| Maryland | 18 / 21 | 8 yrs | Required |
| Massachusetts | 18 / 21 | 5 yrs | Required |
| Minnesota | 18 / 21 | 4 yrs | Required |
| Mississippi | 18 / 21 | 4 yrs | Required |
| Missouri | 18 / 21 | 6 yrs | Required |
| Montana | 18 / 21 | 4 yrs | Required |
| Nebraska | 18 / 21 | 5 yrs | Required |
| Nevada | 18 / 21 | 4 yrs | Required |
| New Hampshire | 18 / 21 | 5 yrs | Required |
| New Jersey | 18 / 21 | 4 yrs | Required |
| New Mexico | 18 / 21 | 4 yrs | Required |
| North Dakota | 18 / 21 | 5 yrs | Required |
| Oklahoma | 18 / 21 | 4 yrs | Required |
| Oregon | 18 / 21 | 8 yrs | Required |
| Rhode Island | 18 / 21 | 5 yrs | Required |
| South Carolina | 18 / 21 | 5 yrs | Required |
| South Dakota | 18 / 21 | 5 yrs | Required |
| Tennessee | 18 / 21 | 5 yrs | Required |
| Utah | 18 / 21 | 5 yrs | Required |
| Vermont | 18 / 21 | 4 yrs | Required |
| Virginia | 18 / 21 | 8 yrs | Required |
| Washington | 18 / 21 | 5 yrs | Required |
| West Virginia | 18 / 21 | 5 yrs | Required |
| Wisconsin | 18 / 21 | 4 yrs | Required |
| Wyoming | 18 / 21 | 4 yrs | Required |
Career Opportunities
Want the full background on this endorsement?
Read the complete Tanker Vehicles endorsement guide →Frequently Asked Questions
You need a tanker endorsement when transporting liquids or gases in individual tanks of 119+ gallons with an aggregate rated capacity of 1,000+ gallons (including portable tanks).
Tanker Study Resources
Be Ready for Your Tanker Test
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