Michigan CDL Hazardous Materials Practice Test

The Michigan CDL Hazardous Materials test is a multiple-choice knowledge test you take for your commercial learner's permit. Michigan Department of State (Secretary of State offices) says you need 80% to pass (source).

Last updated Oct 18, 2026. FirstTry CDL is a CDL permit test prep site by Hive Asset Group, LLC.

By Scott Wilder, Editor

Last reviewed against the Michigan CDL manual on October 18, 2026

Scott Wilder on X | scottwilderhq.com

FirstTry CDL is a CDL permit test prep site by Hive Asset Group, LLC. It offers free exam-style practice tests built from the official CDL manual. FirstTry CDL is not affiliated with any DMV, FMCSA or government agency. Practice questions are exam-style questions built from the official CDL manual, not actual test questions.

Michigan CDL permit facts

What	What Michigan says	Source
Hazardous Materials pass mark	80%	Official page
Hazardous Materials test questions	30	Official page
CLP holding period	Drive with a CLP for at least 14 days before the skills test	Official page
Knowledge test retest wait	If you fail a knowledge test, you must wait one day to retake it. There is a one day wait before any later retest too	Official page
Test languages	Michigan's CDL pages do not state the languages for CDL knowledge tests. See notes.	Official page

20 question Hazardous Materials practice test

1. When you report an incident by phone, which cargo information should you give?
1. A. Classification, name, and quantity of the materials
2. B. Only the truck color
3. C. Only the driver's age
4. D. The price you paid for fuel
Show answer
Answer: A. Classification, name, and quantity of the materials
The caller should give the classification, name, and quantity of the hazardous materials, if known.
From the official CDL manual, section 9.7.5 Required Notification.
2. You are fueling a truck that carries hazardous materials. Who must be at the nozzle?
1. A. No one, if the nozzle locks open
2. B. Someone, controlling the fuel flow, at all times
3. C. Only the shipper
Show answer
Answer: B. Someone, controlling the fuel flow, at all times
Someone must always be at the nozzle, controlling fuel flow.
From the official CDL manual, section 9.6.7.
3. At what total weight do non-bulk Table B materials need placards?
1. A. 501 pounds or more
2. B. 1,001 pounds or more
3. C. 2,205 pounds or more
4. D. Any amount
Show answer
Answer: B. 1,001 pounds or more
Table B needs placards at 1,001 pounds or more, including the package.
From the official CDL manual, section 9.3.11 Placard Tables.
4. Uranium belongs to which hazard class?
1. A. Class 6, Poison
2. B. Class 7, Radioactive
3. C. Class 8, Corrosives
4. D. Class 9, Miscellaneous
Show answer
Answer: B. Class 7, Radioactive
Table 9.1 lists uranium as a Class 7 radioactive material.
From the official CDL manual, section 9.3.1 Definitions.
5. How must you handle explosive packages?
1. A. Never drop, throw, or roll them
2. B. Roll them to the back
3. C. Throw them gently
4. D. Drop them on a mat
Show answer
Answer: A. Never drop, throw, or roll them
Never drop, throw, or roll packages of explosives.
From the official CDL manual, section 9.4.1.
6. INHALATION HAZARD is on the shipping paper. What placard must you add?
1. A. POISON GAS or POISON INHALATION
2. B. CORROSIVE
3. C. DANGEROUS
4. D. FLAMMABLE GAS
Show answer
Answer: A. POISON GAS or POISON INHALATION
These placards are needed in addition to other placards, and the 1,000 pound exception does not apply.
From the official CDL manual, section 9.3.11 Placard Tables.
7. When should you inspect your vehicle on a hazmat trip?
1. A. Only before the trip
2. B. Only after the trip
3. C. Only when police stop you
4. D. Before and during each trip
Show answer
Answer: D. Before and during each trip
The manual says to inspect before and during each trip.
From the official CDL manual, section 9.1.3 Assure Safe Drivers and Equipment.
8. How far must a placard be from other markings?
1. A. At least one inch
2. B. At least three inches
3. C. At least six inches
4. D. At least twelve inches
Show answer
Answer: B. At least three inches
A placard must be at least three inches from other markings.
From the official CDL manual, section 9.3.10 Placarding.
9. When must you examine each tire on a placarded motor vehicle?
1. A. Only at the start of the day
2. B. Once a week
3. C. Only when a tire looks low
4. D. At the start of each trip and each time it is parked
Show answer
Answer: D. At the start of each trip and each time it is parked
You must examine each tire at the beginning of each trip and each time the vehicle is parked.
From the official CDL manual, section 9.6.9.
10. What is the least number of identical placards a placarded vehicle must have?
1. A. Two
2. B. Four
3. C. Three
4. D. Six
Show answer
Answer: B. Four
A placarded vehicle must have at least four identical placards.
From the official CDL manual, section 9.3.3 Lists of Regulated Products.
11. You arrive to pick up a load. Which is a clue the shipper handles hazmat?
1. A. A clean loading dock
2. B. Many parked trucks
3. C. Tanks with diamond labels or placards on the premises
4. D. A large office building
Show answer
Answer: C. Tanks with diamond labels or placards on the premises
Tanks with diamond labels or placards on the premises are a clue.
From the official CDL manual, section 9.3.8 Recognizing Hazardous Materials.
12. How many different hazard classes are there?
1. A. Five
2. B. Seven
3. C. Nine
4. D. Twelve
Show answer
Answer: C. Nine
The manual says there are nine different hazard classes.
From the official CDL manual, section 9.3.1 Definitions.
13. You deliver Division 1.1, 1.2, or 1.3 explosives. Where may you leave the shipment?
1. A. In an unlocked loading dock
2. B. With an authorized person or in a locked room made for explosives
3. C. In any open storage area
Show answer
Answer: B. With an authorized person or in a locked room made for explosives
For Division 1.1, 1.2, or 1.3 explosives, deliver only to authorized persons or leave the shipment in locked rooms designed for explosives storage.
From the official CDL manual, section 9.6.5.
14. What book may a motor carrier keep on each hazmat vehicle to help shippers?
1. A. The Hazardous Waste Manifest
2. B. The Driver's Logbook
3. C. The Emergency Response Guidebook (ERG)
4. D. The Placard Handbook
Show answer
Answer: C. The Emergency Response Guidebook (ERG)
A carrier may keep an ERG on each vehicle to help shippers with emergency response information.
From the official CDL manual, section 9.3.5 The Item Description.
15. What must be done to hazmat containers during transport?
1. A. They must be stacked unsecured
2. B. They must be tied to the cab door
3. C. They must be left loose
4. D. They must be braced to prevent movement
Show answer
Answer: D. They must be braced to prevent movement
Containers must be braced to prevent movement during transportation.
From the official CDL manual, section 9.4.1.
16. You leave the cab. Where do you leave the shipping papers?
1. A. Under the bunk
2. B. In the door pouch or on the driver's seat
3. C. In the trailer
4. D. In your pocket
Show answer
Answer: B. In the door pouch or on the driver's seat
Leave them in the driver's door pouch or on the driver's seat.
From the official CDL manual, section 9.6.10 Where to Keep Shipping Papers and Emergency Response Information.
17. Where are placards put on a vehicle?
1. A. Only on the sides
2. B. Only on the front and rear
3. C. Only on the cab doors
4. D. Front, rear, and both sides
Show answer
Answer: D. Front, rear, and both sides
Placards go on the front, rear, and both sides.
From the official CDL manual, section 9.3.3 Lists of Regulated Products.
18. Which bulk package does NOT need to show the owner's name or shipping name?
1. A. An intermediate bulk container (IBC)
2. B. A portable tank
3. C. A cargo tank
Show answer
Answer: A. An intermediate bulk container (IBC)
IBCs are bulk packages, but they are not required to have the owner's name or shipping name.
From the official CDL manual, section 9.5.1.
19. When may you accept the shipper's certification about packaging?
1. A. Only after you open every package
2. B. Never, the driver must repack it
3. C. Only if the load is under 1,001 pounds
4. D. Unless the package is clearly unsafe or breaks the rules
Show answer
Answer: D. Unless the package is clearly unsafe or breaks the rules
You may accept the certification unless the package is clearly unsafe or does not comply.
From the official CDL manual, section 9.3.6 Shipper's Certification.
20. Under the hazmat rules, who must package the materials safely?
1. A. The driver
2. B. The shipper
3. C. The police
4. D. The receiver
Show answer
Answer: B. The shipper
The rules tell shippers how to package materials safely.
From the official CDL manual, section 9.1.1 Contain the Material.

Michigan CDL Hazardous Materials questions

What score do you need to pass the Michigan CDL Hazardous Materials test?

Michigan says you need 80% to pass the Hazardous Materials test.

Is the Michigan CDL Hazardous Materials test the same as other states?

The Hazardous Materials test is built on the same federal knowledge standards in every state, so the topics match the CDL manual. Michigan uses its own handbook: https://www.michigan.gov/sos/-/media/Project/Websites/sos/Resources/Forms-and-publications/CDL-Manual/cdlmanual.pdf

What languages is the Michigan CDL knowledge test offered in?

Michigan's CDL pages do not state the languages for CDL knowledge tests. See notes.

Sources

https://www.michigan.gov/sos/all-services/cdl-apply
https://www.michigan.gov/sos/-/media/Project/Websites/sos/Resources/Forms-and-publications/CDL-Manual/cdlmanual.pdf
Manual sections used in this test: 9.1.1 Contain the Material; 9.1.3 Assure Safe Drivers and Equipment; 9.3.1 Definitions; 9.3.10 Placarding; 9.3.11 Placard Tables; 9.3.3 Lists of Regulated Products; 9.3.5 The Item Description; 9.3.6 Shipper's Certification; 9.3.8 Recognizing Hazardous Materials; 9.4.1; 9.5.1; 9.6.10 Where to Keep Shipping Papers and Emergency Response Information; 9.6.5; 9.6.7; 9.6.9; 9.7.5 Required Notification

Hazardous Materials practice test in nearby states