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200+ Free WI CDL Hazmat Practice Questions

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

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On a shipping paper, where can you find the emergency contact number for a hazardous material?

A
B
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D
to track
2026 Statistics

Key Facts: WI CDL Hazmat Exam

30

Wisconsin H - Hazardous Materials Knowledge Test questions

WisDOT Requirement to Obtain a CDL

80%

Minimum passing grade for Wisconsin CDL knowledge tests

WisDOT Requirement to Obtain a CDL

English only

Wisconsin H knowledge test language availability

WisDOT Requirement to Obtain a CDL

7 days

Deadline for Wisconsin Fieldprint fingerprinting after passing H test

WisDOT H Endorsement Requirements

$67.25

Wisconsin HME DMV fee, not with CDL renewal

WisDOT DMV Fees

$23.75

Wisconsin Fieldprint fingerprinting fee

WisDOT DMV Fees

Wisconsin HME applicants take a 30-question English-only Hazmat Knowledge Test from CDL Manual Section 9 and need 80% or more correct answers. First-time H endorsement applicants must complete ELDT before testing. After passing, Wisconsin requires Fieldprint fingerprinting within 7 days and TSA security threat assessment clearance before DMV mails the CDL with the HME endorsement.

Sample WI CDL Hazmat Practice Questions

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

1In Wisconsin, which CDL endorsement is required to transport hazardous materials that require placards?
A.H endorsement
B.P endorsement
C.T endorsement
D.S endorsement
Explanation: The H endorsement is the hazardous materials endorsement used when placarded hazardous materials are transported. In Wisconsin, the X endorsement combines tank vehicle and hazmat authority when both apply.
2How many questions does WisDOT list for the Hazardous Materials knowledge test?
A.20
B.25
C.30
D.50
Explanation: WisDOT lists the H - Hazardous Materials endorsement knowledge test as 30 questions from Section 9 of the Wisconsin Commercial Driver Manual.
3What minimum score is required to pass a Wisconsin CDL knowledge test?
A.60%
B.70%
C.75%
D.80%
Explanation: WisDOT states that a passing grade on CDL knowledge tests is 80% or more correct answers, consistent with federal CDL standards.
4Wisconsin says the Hazardous Materials Knowledge Test is offered in which language?
A.English only
B.English or Spanish
C.Any language with a translator
D.English with audio assist only
Explanation: WisDOT lists the H - Hazardous Materials Knowledge Test as only offered in English.
5Before a first-time Wisconsin H endorsement applicant is eligible for knowledge testing, what training must be completed?
A.Entry-Level Driver Training for the H endorsement
B.A passenger endorsement skills course
C.A state motorcycle safety course
D.A school bus driving test
Explanation: WisDOT and FMCSA require first-time H endorsement applicants to complete applicable ELDT before taking the H knowledge test.
6Within how many days after passing the Wisconsin H knowledge test must the driver be fingerprinted at a Wisconsin Fieldprint location?
A.3 days
B.7 days
C.14 days
D.30 days
Explanation: WisDOT instructs drivers to complete fingerprinting at a Wisconsin-based Fieldprint location within 7 days of passing the H knowledge test.
7Who reviews Wisconsin HME background check results after fingerprints are submitted?
A.Transportation Security Administration
B.Occupational Safety and Health Administration
C.Environmental Protection Agency
D.Local zoning board
Explanation: WisDOT says fingerprints are submitted for processing and results are reviewed by TSA; TSA may deny an HME if a driver poses a security threat.
8What is a placard?
A.A diamond-shaped, square-on-point warning sign
B.A driver medical certificate
C.A bill for the shipment
D.A tire-pressure label
Explanation: Placards are diamond-shaped, square-on-point signs used to warn others about hazardous materials in transportation.
9Which hazard class covers explosives?
A.Class 1
B.Class 3
C.Class 6
D.Class 8
Explanation: Class 1 is the hazard class for explosives.
10Which hazard class covers flammable liquids such as gasoline?
A.Class 2
B.Class 3
C.Class 5
D.Class 9
Explanation: Class 3 is the hazard class for flammable liquids.

About the WI CDL Hazmat Exam

The Wisconsin CDL Hazardous Materials Endorsement Test is the knowledge exam for drivers who need an H endorsement, or an X endorsement when combined with tank vehicle authority, to transport hazardous materials in quantities or types requiring placards. WisDOT lists the H test as a 30-question English-only knowledge test from Section 9 of the Wisconsin Commercial Driver Manual, requires 80% or more correct answers, and requires first-time H endorsement applicants to complete ELDT before knowledge testing. Applicants complete Wisconsin HME forms and proof-of-status steps at a DMV customer service center, pass the H knowledge test, complete Fieldprint fingerprinting within 7 days, and wait for TSA security threat assessment review before the endorsed CDL is issued.

Assessment

Multiple-choice Wisconsin H - Hazardous Materials Knowledge Test from Section 9 of the Wisconsin Commercial Driver Manual, covering hazardous materials communication, placards, markings, labels, hazard classes, loading and unloading, segregation, bulk packaging, driving and parking rules, emergencies, and security awareness.

Time Limit

WisDOT says CDL knowledge tests take at least 1 to 1.5 hours; no appointment is necessary for knowledge tests.

Passing Score

80% or more correct answers

Exam Fee

$0 knowledge test; $67.25 Wisconsin HME payable to DMV, or $57.25 with CDL renewal; $23.75 Fieldprint fingerprinting fee; other CDL/CLP fees may apply (Wisconsin Department of Transportation Division of Motor Vehicles under FMCSA, TSA, and DOT hazardous materials rules)

WI CDL Hazmat Exam Content Outline

20%

Shipping Papers and Emergency Information

Basic description order, proper shipping names, UN/NA identification numbers, packing groups, reportable quantities, technical names, emergency phone numbers, emergency response information, and required paper location.

18%

Placards, Markings, and Labels

Table 1 and Table 2 placarding, aggregate weight thresholds, four-side display, DANGEROUS placard limits, package labels, subsidiary hazards, orientation arrows, ID numbers, and bulk package markings.

16%

Hazard Classes and Identification

Classes 1 through 9, divisions for gases, flammable solids, oxidizers, organic peroxides, poisonous and infectious substances, radioactive materials, corrosives, miscellaneous materials, and packing group severity.

18%

Loading, Unloading, and Segregation

Package inspection, damaged or leaking packages, blocking and bracing, smoking and engine restrictions, cargo tank attendance, segregation table symbols, oxidizer/flammable compatibility, and poison-foodstuff separation.

16%

Emergency Response and Communication

Leaks, spills, fires, tire overheating, warning devices, uphill and upwind positioning, responder communication, ERG use, and when not to attempt cleanup.

12%

Security, Routing, Parking, and Wisconsin Context

Suspicious activity, shipment information control, security plans, route and tunnel restrictions, parking and attendance, railroad crossings, Wisconsin HME fees, Fieldprint, TSA review, English-only testing, and ELDT.

How to Pass the WI CDL Hazmat Exam

What You Need to Know

  • Passing score: 80% or more correct answers
  • Assessment: Multiple-choice Wisconsin H - Hazardous Materials Knowledge Test from Section 9 of the Wisconsin Commercial Driver Manual, covering hazardous materials communication, placards, markings, labels, hazard classes, loading and unloading, segregation, bulk packaging, driving and parking rules, emergencies, and security awareness.
  • Time limit: WisDOT says CDL knowledge tests take at least 1 to 1.5 hours; no appointment is necessary for knowledge tests.
  • Exam fee: $0 knowledge test; $67.25 Wisconsin HME payable to DMV, or $57.25 with CDL renewal; $23.75 Fieldprint fingerprinting fee; other CDL/CLP fees may apply

Keys to Passing

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

WI CDL Hazmat Study Tips from Top Performers

1Study Wisconsin CDL Manual Section 9 first; it is the section WisDOT maps to the 30-question H test.
2Memorize the basic shipping description order: identification number, proper shipping name, hazard class, and packing group when one applies.
3Practice placarding decisions separately for Table 1 any-quantity materials and common Table 2 aggregate-weight situations.
4Treat shipping papers, emergency response information, markings, labels, and placards as one communication system; resolve mismatches before transport.
5Review segregation table symbols and common compatibility risks, especially oxidizers with flammables and poison materials near foodstuffs.
6Plan Wisconsin logistics early: first-time H endorsement ELDT, English-only testing, DMV HME fees, Fieldprint fingerprinting within 7 days, and TSA processing time.

Frequently Asked Questions

How many questions are on the Wisconsin CDL Hazmat test?

WisDOT lists the H - Hazardous Materials Knowledge Test as 30 questions from Section 9 of the Wisconsin Commercial Driver Manual.

What score do I need to pass the Wisconsin CDL Hazmat test?

WisDOT says CDL knowledge tests require a passing grade of 80% or more correct answers.

Is the Wisconsin Hazmat Knowledge Test available in Spanish?

No. WisDOT lists the Hazardous Materials Knowledge Test as only offered in English.

Do I need ELDT before the Wisconsin H knowledge test?

Yes, if you are adding the H endorsement for the first time. WisDOT and FMCSA require first-time H endorsement ELDT before the H knowledge test.

Do I need a TSA background check for a Wisconsin HME?

Yes. After passing the H knowledge test, Wisconsin requires Fieldprint fingerprinting within 7 days, and TSA reviews the results for a security threat determination.