Washington Tanker Vehicles CDL Practice Test
Practice with real WA Tanker exam questions and detailed explanations. 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
What does liquid surge do to the handling of a tanker?
Browse Washington Tanker Questions
- 1. What does liquid surge do to the handling of a tanker?
- 2. Which term is used to describe the movement of liquids in partially filled tanks?
- 3. Which combination of endorsements is required to transport hazardous materials in a tanker?
- 4. When your cargo tank has baffles, what handling effect do you expect?
- 5. Which of the following properly describes a baffled tanker?
- 6. If you are driving a tanker and need to steer quickly to avoid a hazard you:
- 7. Baffles in liquid cargo tanks do not usually prevent ____ surge.
- 8. Which term refers to the expansion or contraction of a liquid due to changes in temperature?
- 9. Side-to-side surge can cause:
- 10. Each of the following is a concern for smooth bore tankers, EXCEPT:
Study Tips for Washington
- 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
Washington CDL Information
Age Requirements
Intrastate: 18+ · Interstate: 21+
CDL Renewal
Every 5 years
ELDT Required
Yes — ELDT (Entry-Level Driver Training) from FMCSA-registered provider
Washington DOL
Official CDL Portal →Career Opportunities
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 Washington Tanker Test
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