CDL HAZMAT PRACTICE TEST COLORADO

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Any driver, regardless of the vehicle Class, who wants to haul hazardous materials, must add an “H” endorsement to their CDL. In order to obtain the Hazmat endorsement drivers are required to pass a Transportation Security Administration background check and a knowledge test. The Colorado hazmat test consists of 30 questions. To pass, you must correctly answer at least 24 questions (80%). The CO CDL hazmat test covers the information found in the Colorado CDL Manual. Study the chapter covering hazardous materials to learn how to recognize, handle, and transport Hazmat, then take this practice test to prepare for your exam!
1. Hazardous materials can be recognized by looking at the container's:
label.
type.
shape.
color.
2. If your placarded trailer has dual tires, you should check the tires:
once a year.
once every 24 hours.
at the beginning of each trip and each time the vehicle is parked.
once every hundred miles.
3. Before moving a tank of hazardous materials, you must:
close all manholes and valves.
call the Chemical Transportation Emergency Center and tell them your destination.
send the shipping papers to the shipper.
All of the above.
4. When loading hazardous materials:
wrap leaking packages in plastic before loading them.
do not use hooks or other tools which might damage containers or other packaging.
make sure that the containers are not braced.
do not load hazardous materials away from heat sources.
5. Which of the following statements about portable tanks is TRUE?
The product is loaded or unloaded while the portable tanks are off the vehicle
They must show the lessee or owner's name
They are not permanently attached to a vehicle
All of the above.
6. What should you do if you doubt you have safe space to pass under a low bridge?
Increase the weight of your vehicle to clearing under the bridge.
If no warnings are posted, assume there is enough clearance under the bridge and proceed slowly.
Assume that the height posted at the bridges is correct.
Go slowly, and take another route if you are not sure you can make it.
7. A shipping paper for hazardous materials must include:
a proper shipping description for each hazardous material.
page numbers if the shipping paper has more than 1 page.
a shipper's certification, signed by the shipper, saying they prepared the shipment according to the regulations.
All of the above.
8. Drivers involved in transporting hazardous materials must:
keep hazardous materials shipping papers and emergency response information in the proper place.
make sure the shipper has identified, marked, and labeled the hazardous materials properly.
safely transport the shipment without delay.
All of the above.
9. You are transporting hazarous materials. During your en-route inspection, you find an overheated tire. What should you do?
use water to cool the tire, then check it every 50 miles.
wait at least 30 minutes before continuing your trip.
remove the tire and place it a safe distance from your vehicle.
None of the above.
10. When driving at night, you should dim your lights within ______ of an oncoming vehicle.
500 feet.
300 feet.
400 feet.
250 feet.
 
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Frequently Asked Questions

In Colorado, you must be at least 15 years old to apply for a minor instruction permit. Once you reach the age of 16 and have held the permit for 12 months, you become eligible for a minor license. Instead, if you are between 18 and 21 and already possess a permit, you can directly apply for a minor license. Finally, at the age of 21, you can obtain a class R driver's license.

To take the DMV written test in Colorado, you have three options:
  1. You can schedule an appointment online and take the test at any Colorado driver license office.
  2. You can contact an Arizona driving school.
  3. You can take the test at home using the official Colorado knowledge testing platform @HOME. Pre-register and take the test whenever you want. After passing, you'll be required to schedule an appointment to visit a Colorado driver license office and obtain your permit.
You need to bring the following required documents:
  • Proof of identity/lawful presence.
  • Two proofs of residence. Examples of acceptable documents include utility bills, credit card statements, or bank statements.
  • Proof of Social Security Number.

Extra documents for minors:
  • Certificate of driver education course completion (30 hours if you're between 15 and 15 ½, and either 30 hours or a 4-hour driver awareness program if you're 15 ½ to 16.
  • Driving Knowledge Test completion form from your driver education school (if applicable).
  • A parent, guardian, or Colorado driver over 21 must sign the Affidavit of Identity and the Affidavit of Liability and they must come with you to the appointment.
The DMV written test in Colorado is available in both English and Spanish. If you encounter difficulty reading, you can connect speakers to your computer, and the exam will be read aloud in either English or Spanish.

To prepare for the DMV written test, read the Colorado Driver’s Handbook. Pay attention to road signs, parallel parking, turning, passing a vehicle, yielding the right of way, etc. Verify your knowledge with our free practice tests or sign up for Premium, which offers extra resources to get ready for your exam.

The DMV written test consists of 25 questions, covering various aspects of road rules and safe driving practices. You have 60 minutes to complete it. Take your time during the test to make sure you understand the questions well.

You can make up to 5 mistakes on the DMV written test. To pass, you need to answer at least 20 questions correctly, achieving an 80% accuracy rate. Take your time to read each question accurately.
For new drivers under 18 years old, Colorado imposes specific restrictions:
  • They cannot drive unless accompanied by a licensed adult 21 or older in the front seat.
  • During the first six months, they cannot transport passengers under 21, except for a parent or adult over 21. After this period, one passenger under age 21 is allowed (except for medical emergencies).
  • Drivers and passengers must wear seat belts.
  • They cannot use a cell phone while driving, except for emergencies.
  • During the first year, drivers cannot operate a motor vehicle between midnight and 5 a.m., unless with an instructor, parent, or guardian. Exceptions include school/work travel, emergencies, and emancipated minors.
  • Driving after drinking alcohol is prohibited (Zero Tolerance law).

In Colorado, an instruction permit remains valid for three years. Now that you have your instruction permit, it's time to start practicing your driving skills before the road test.
If you fail your online DMV written test in Colorado, you can retake it as many times as necessary, but with a maximum of two attempts in a day. After the first attempt, an additional fee is required. If you choose to take the exam at a third-party location, you may be subject to extra fees imposed by that business. 

CO CDL Hazmat Test

Number of questions: 30
Correct answers to pass:24
Passing score:80%
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