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Practice for your HazMat CDL exam with questions based on the official South Dakota CDL handbook
The shippers package hazardous materials, they must certify that this was done according to the regulations. The only exception is when:
When companies send out dangerous goods, they must follow rules to pack them safely. The only time they don't have to is if the company is moving its own products and not selling the service.
How many hazard classes are there?
There are 9 different types of dangers or hazard classes that truck drivers need to know about when they are carrying goods. These classes help them understand what kind of special care or rules they need to follow to keep the roads safe.
Apart from the shipping papers and the packages, what other two locations must display the hazardous material identification number?
Beyond shipping papers and packages, the hazardous material identification number is also required to be shown on cargo tanks and on all bulk packaging.
A driver places placards on their vehicle in order to:
Placards are exterior signs on a vehicle that alert others to the presence of hazardous materials and indicate the hazard class of the load.
Why is the shipper required to sign the shipping paper?
The shipping paper has to contain the shipper’s certification, signed by the shipper, confirming the shipment was prepared in compliance with the applicable regulations.
Carriers must provide each driver who hauls Division 1.1, 1.2, or 1.3 materials with:
Carriers are required to give drivers transporting explosives a copy of 49 CFR 397, “Transportation of Hazardous Materials; Driving and Parking Rules.” This part includes rules on hazardous materials routing, including factors to consider when selecting an appropriate route.
Hazardous material identification numbers must be shown on portable tanks, cargo tanks, and other bulk packages. Regulations require black ______ numbers.
Hazardous material identification numbers must appear on portable tanks, cargo tanks, and other bulk packaging. The rules specify black 100 mm (3.9 inch) numbers on orange panels, placards, or on a white diamond-shaped background when placards are not required.
Helium is classified as a Class ____ hazardous material.
A hazardous material’s class indicates the type of risk it presents. There are nine hazard classes in total. Class 2 covers gases, including flammable gases (2.1) like propane, non-flammable gases (2.2) like helium, and toxic gases (2.3) such as compressed fluorine.
Who must select the safest route when transporting placarded radioactive materials?
If placarded radioactive materials have to be transported, the carrier is responsible for choosing the safest route. Once the route is selected, the carrier must inform the driver about the radioactive materials and provide the driver with the planned route.
With most hazardous materials, you may park within 5 feet of the road briefly. If your work requires it. The materials that are the exception and do not allow parking this close to the road are?
When it comes to parking near the road with hazardous materials, you usually can if it's quick and needed for work. But, don't do this with very explosive materials (like fireworks or dynamite), flammable stuff (like gasoline or propane), because it's too dangerous.
A truck as hazardous material, when can it be moved without the placards on the truck?
If a truck is carrying dangerous materials, it usually must have special signs (placards) on it to show that it is hazardous. However, there is one exception to this rule. The truck can be moved without these signs only if it is necessary to protect people's lives or to prevent property from being damaged. This means safety is the top priority, and in an emergency situation, the truck can be moved even without the placards.
Which option lists a required criterion for a package to qualify as non-bulk packaging?
Non-bulk packaging must meet defined limits when used as a container for solids, liquids, or gases. It qualifies as non-bulk if it is: 450 L (119 gallons) or less for liquids; 400 kg (882 pounds) or less and 450 L (119 gallons) or less for solids; and 454 kg (1,000 pounds) or less for gases.
If you are transporting Division 1.2 or 1.3 materials, what is the minimum distance you must park from a bridge, tunnel, or building?
With a load of Division 1.2 or 1.3 explosives, you are required to park no closer than 300 feet from any bridge, tunnel, or other structure.
Under what circumstances may a shipper shorten (abbreviate) the proper shipping name or hazardous material identification number on a shipping paper?
A shipper is not allowed to abbreviate a hazardous material’s identification number, hazard class, or proper shipping name unless the regulations explicitly permit that abbreviation. Abbreviations can interfere with correct identification and create safety risks.
You must stop before a railroad crossing if your vehicle is transporting _______ of chlorine.
If you are transporting any quantity of chlorine gas, you are required to stop at every railroad crossing and use extra caution before crossing. A train collision could cause a chlorine release, which is very dangerous because chlorine gas is poisonous. (If chlorine is being hauled in cargo tanks, a gas mask must be available in the cab.) Chlorine is also a strong oxidizer and can react with flammables to start fires, which may spread corrosive or toxic gases.
You may allow another person to watch your vehicle only when it is…
You may let someone else watch your vehicle only when you are on the property of the shipper, carrier, or consignee/receiver, since those parties understand the hazards and how to handle them.
Which hazard class covers both flammable gases and non-flammable gases?
A material’s hazard class indicates the type of risk it presents. There are nine hazard classes. Hazard Class 2 is for gases, including flammable gases (2.1) like propane, non-flammable gases (2.2) like helium, and toxic gases (2.3) such as compressed fluorine.
If you think there may be a cargo fire in your trailer and the cargo doors feel hot, what should you do?
Hot cargo doors make it more likely a fire is burning inside. Opening the doors would add oxygen and can intensify the fire. Keeping the doors shut limits oxygen, so the fire may only smolder until firefighters arrive.
By law, how regularly must employees involved in transporting hazardous materials be tested?
People who transport dangerous stuff must be tested within 90 days of starting their job and then every 3 years to make sure they know how to handle these materials safely.
Symbol column, the letter "G" stands for?
The letter "G" means you need to write the hazardous material's specific name next to its general name when shipping it.
The HazMat endorsement test is required in South Dakota for drivers who transport hazardous materials. It covers placarding, labeling, loading procedures, emergency response, and compliance with federal hazmat regulations. A TSA background check is also required.
The HazMat test is part of the CDL written exam administered by the South Dakota Department of Motor Vehicles. You must pass this test along with the other required written tests to receive your Commercial Learner's Permit (CLP) in South Dakota.
Our practice questions are built from the official South Dakota CDL handbook and federal FMCSA regulations. Each question includes a detailed explanation to help you understand the material, not just memorize answers.
