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200+ Free Washington CDL HazMat Endorsement Test Practice Questions

Pass your Washington CDL Hazardous Materials Endorsement Test exam on the first try — instant access, no signup required.

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Key Facts: Washington CDL HazMat Endorsement Test Exam

30

Washington HazMat Knowledge-Test Questions

Washington DOL CDL Knowledge Test

24

Correct Answers Required to Pass

Washington DOL CDL Knowledge Test

$35

Washington CDL Knowledge Test Fee

Washington DOL Driver Licensing Fees

$85.25

TSA HME Threat Assessment Fee

TSA HAZMAT Endorsement enrollment information

45 days

Washington DOL Stated TSA Assessment Processing Window

Washington DOL Hazardous Materials Endorsement

Washington HazMat endorsement applicants take a 30-question DOL knowledge test and need 24 correct to pass. DOL also requires a valid TSA HME threat assessment before issuing, renewing, or transferring the endorsement, and first-time HazMat applicants must have required training or ELDT completion on record before the knowledge test.

Sample Washington CDL HazMat Endorsement Test Practice Questions

Try these sample questions to test your Washington CDL HazMat Endorsement Test exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 200+ question experience with AI tutoring.

1Which Washington DOL HazMat knowledge-test result is officially listed?
A.30 questions with 24 correct required
B.20 questions with 16 correct required
C.50 questions with 40 correct required
D.25 questions with 20 correct required
Explanation: Washington DOL lists the Hazardous Materials CDL knowledge test as 30 questions with 24 correct required to pass.
2Before Washington DOL can issue a CDL with a HazMat endorsement, what clearance must be complete?
A.A carrier road test
B.TSA HME threat assessment
C.EPA generator certification
D.OSHA forklift evaluation
Explanation: Washington DOL requires a valid TSA HME threat assessment before it can issue, renew, or transfer a HazMat endorsement.
3For a first-time Washington HME applicant, when must HazMat training be on record?
A.Only before hauling explosives
B.Only at the next CDL renewal
C.Before taking the HazMat knowledge test
D.Only after passing the knowledge test
Explanation: Washington DOL says first-time HazMat training must be on record before the HazMat knowledge test.
4Where does Washington DOL direct applicants to take the CDL HazMat knowledge test?
A.Only on the TSA website
B.Only at a PHMSA field office
C.By mailing answers to FMCSA
D.At a driver licensing office that offers testing
Explanation: Washington DOL says the CDL knowledge test is taken by appointment at a driver licensing office that offers testing.
5Which fee does Washington DOL list for the CDL knowledge test?
A.$35
B.$85.25
C.$175
D.$0 for every attempt
Explanation: Washington DOL lists a $35 CDL knowledge test fee; TSA and endorsement transaction fees are separate.
6How long is a passed Washington CDL knowledge-test score generally valid?
A.Forever
B.180 days
C.One day
D.Five years
Explanation: Washington DOL says CDL knowledge test scores are valid for 180 days, and hazardous materials scores cannot be extended through CLP renewal.
7Why should a Washington HazMat applicant start the TSA assessment early?
A.TSA issues the CDL card immediately
B.TSA waives all DOL fees
C.Processing can take up to 45 days
D.TSA gives the DOL knowledge test
Explanation: Washington DOL says TSA HME assessments can take up to 45 days to process.
8How should a Washington applicant treat a TWIC threat assessment for HME issuance?
A.It always replaces the HME assessment
B.It replaces the knowledge test only
C.It is required only for Class 9 loads
D.It does not satisfy the Washington HME threat-assessment requirement
Explanation: Washington DOL says a TWIC threat assessment does not meet the HME threat-assessment requirement.
9What can happen to the Washington CDL expiration when HME clearance expires earlier?
A.The license may be set to expire with the HME clearance
B.The CDL automatically extends ten years
C.Only the placards expire
D.The clearance date is ignored
Explanation: Washington DOL says the license may be set to expire when the HME clearance expires.
10Which official sources are most relevant to Washington CDL HazMat preparation?
A.Only local fire departments
B.Washington DOL, FMCSA, TSA, and PHMSA/DOT rules
C.Only private practice-test publishers
D.Only county tax offices
Explanation: FMCSA sets CDL standards, TSA screens HME applicants, PHMSA/DOT rules govern HazMat transportation, and Washington DOL administers the state license process.

About the Washington CDL HazMat Endorsement Test Exam

The Washington CDL HazMat endorsement test checks whether drivers understand hazardous materials transportation before DOL adds the H endorsement. Washington uses the Commercial Driver Guide hazardous materials section and federal 49 CFR rules covering shipping papers, markings and labels, placards, hazard classes, loading and unloading, segregation, emergency response, route and parking rules, and security awareness. Applicants must also satisfy Washington DOL administrative steps, including first-time HazMat training on record before the test and TSA HME clearance before the endorsement is issued.

Assessment

Washington DOL Hazardous Materials CDL knowledge test with 30 multiple-choice questions; DOL lists 24 correct answers required and no skills test needed for the endorsement.

Time Limit

No separate official Washington HazMat-only time limit published by DOL

Passing Score

24 of 30 correct (80%)

Exam Fee

$35 Washington CDL knowledge test; separate endorsement transaction fee and $85.25 TSA HME threat assessment; training provider costs vary (Washington State Department of Licensing under FMCSA CDL standards, with TSA security threat assessment for HME eligibility)

Washington CDL HazMat Endorsement Test Exam Content Outline

20%

Shipping Papers and Emergency Communication

Basic description order, UN/NA identification numbers, packing groups, reportable quantities, emergency response information, emergency contacts, and shipping-paper location.

25%

Placards, Labels, Markings, and Hazard Classes

Class and division recognition, package labels, proper shipping name and ID markings, placard placement, Table 1 versus Table 2 rules, DANGEROUS placards, and bulk-package communication.

25%

Loading, Unloading, Segregation, and Bulk Packaging

Parking brake, package protection, no hooks, ignition and heat controls, leaking packages, compatibility, poison/food separation, cargo tanks, portable tanks, residue, outage, and transfer precautions.

15%

Emergency Response and Incident Handling

ERG use, safe positioning, spill and vapor precautions, emergency notification, exposure response, responder access to papers, and incident reporting.

15%

Security, Route, Parking, and Washington Requirements

Security awareness, suspicious activity, route and parking precautions, TSA HME assessment, first-time HazMat training/ELDT, DOL in-person testing, fees, score validity, and endorsement issuance.

How to Pass the Washington CDL HazMat Endorsement Test Exam

What You Need to Know

  • Passing score: 24 of 30 correct (80%)
  • Assessment: Washington DOL Hazardous Materials CDL knowledge test with 30 multiple-choice questions; DOL lists 24 correct answers required and no skills test needed for the endorsement.
  • Time limit: No separate official Washington HazMat-only time limit published by DOL
  • Exam fee: $35 Washington CDL knowledge test; separate endorsement transaction fee and $85.25 TSA HME threat assessment; training provider costs vary

Keys to Passing

  • Complete 500+ practice questions
  • Score 80%+ consistently before scheduling
  • Focus on highest-weighted sections
  • Use our AI tutor for tough concepts

Washington CDL HazMat Endorsement Test Study Tips from Top Performers

1Study the Washington Commercial Driver Guide hazardous materials section before drilling practice questions.
2Memorize the links among shipping papers, package markings, labels, vehicle placards, emergency response information, and the ERG.
3Practice Table 1 versus Table 2 placarding rules, especially any-quantity placards and the 1,001-pound Table 2 threshold.
4Review loading and segregation examples involving acids and cyanides, poison near food, heat-sensitive materials, dangerous-when-wet materials, and radioactive transport index.
5Start TSA threat assessment and first-time HazMat training early because administrative clearance can take longer than studying the handbook.

Frequently Asked Questions

How many questions are on the Washington CDL HazMat knowledge test?

Washington DOL lists the Hazardous Materials CDL knowledge test as 30 total questions. You need 24 correct answers to pass.

What score do I need to pass the Washington HazMat endorsement test?

Washington requires 24 correct out of 30, which matches the federal CDL knowledge-test standard of at least 80% correct under 49 CFR 383.135.

Do I need TSA approval for a Washington HazMat endorsement?

Yes. Washington DOL says you must have a valid TSA HME threat assessment before DOL can issue, renew, or transfer a hazardous materials endorsement.

Do I need HazMat training before the Washington knowledge test?

Yes for first-time HazMat endorsement applicants. Washington DOL says HazMat training must be on record before you take the knowledge test, and FMCSA ELDT theory applies to first-time H endorsement applicants.

How much does the Washington HazMat endorsement process cost?

Washington DOL lists $35 for the CDL knowledge test and separate endorsement transaction fees. TSA separately lists an $85.25 HME threat-assessment fee for new and renewing applicants, and training provider fees vary.

Where is the Washington HazMat knowledge test taken?

Washington DOL says the CDL knowledge test is taken in person by appointment at a driver licensing office location that offers testing.