Hazardous Materials Practice Test

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Prior to loading or unloading hazardous materials, you should always:

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Before loading or unloading, set the parking brake before unloading or loading hazardous materials. Ensure that the vehicle will not move while the process is on-going.

Which of the following package should have a COMBUSTIBLE placard?

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Kerosene. Kerosene is a combustible liquid so you must use combustible placard to indicate that you are carrying a combustible material in your truck. Sulfuric acid, propane, and activated carbon are of hazard different classes.

Which of the following hazard classes should not be loaded into a trailer that has a heater/air conditioner

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Class 1 (Explosives), Class 2.1 (Flammable Gas), Class 3 (Flammable Liquids) are the hazard classes prohibited to be loaded into a trailer that has a heater/ air conditioner unit.

When checking the containers of the sulfuric acid, you confirmed that it has complete papers and fire-resistant casing. But you notice a leak when you lift the containers up to the truck. Should you still proceed to transportation?

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No, you must refuse the shipment if there is a leaking package. Do not transport it because you and your truck could be in danger.

The following are the responsibilities of the carrier EXCEPT:

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Placarding the vehicle while loading the cargo is a driver's responsibility.

These are bulk packaging that is not permanently fastened to a vehicle.

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Portable tanks are bulk packaging that is not permanently fastened to a vehicle.

Choose the correct marking to be placed on liquid hazardous materials packages.

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This way up / this side up marking must be shown on the cartons with liquid hazardous materials container.

These tanks contain bulkheads with holes to allow the liquid to flow through and help control forward and backward liquid surge.

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Baffled tanks contain bulkheads with holes to allow the liquid to flow through and help control forward and backward liquid surge.

What does it mean when you see a truck carrying combustible liquids with reflective triangles on the side of the road.

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When you see reflective triangles on the roadside, It warns that there is a hazard ahead. The truck might have crashed or breakdown.

Placarded vehicles should have at least four identical placards. Those placards should be placed on any part of the vehicle as long as it is visible to other drivers.

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False. Placards should be placed on the front, rear, and both sides of the vehicle.

Within how many feet of any vehicle carrying Class 1, Class 3, Class 4, and Class 5 hazardous materials should you not smoke or carry a lighted cigarette, cigar, or pipe?

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You should not smoke or carry a lighted cigarette, cigar, or pipe within 25 feet of a vehicle carrying explosives (Class 1), flammable liquids (Class 3), flammable solids (Class 4), and oxidizers (Class 5).

You are about to use a placarded vehicle to deliver highly combustible materials. Which type of extinguisher should you carry?

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The tractor or power unit or placarded vehicles must have a fire extinguisher with a UL rating of 10 B:C or more. So you should carry that type of fire extinguisher.

If you see a label being tagged and wired into the compressed gas container instead of doing the usual package labeling, it means that:

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If the diamond label will not fit a package, shippers may put the label on a tag securely wired to the package instead.

What should you NOT do if you discover a leak in your vehicle?

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If you discover a leak in your vehicle, never identify the material by smelling or touching it because toxic gases can damage your sense of smell. It may injure you or kill you even if they do not smell.

If you are an operator of a vehicle that transports hazardous materials, you must be trained and retested every _______.

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If you are an operator of a vehicle that transports hazardous materials, you must be trained and retested every 2 years.

Which of the following statement is TRUE?

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You can see a hazardous materials table organized alphabetically by the proper shipping name. On the other hand, the hazardous materials table does not show all the list of hazardous materials.

When parking placarded vehicle carrying a gun powder packages, you must not park within 300 feet of:

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When you need to park your vehicle that is carrying a gun powder packages or any hazardous materials under Division 1.1, 1.2, or 1.3 (Class A or B) explosives, do not park within 300 feet of an open fire, a place where people gather, or a building, bridge, or tunnel.

___________ are hazardous materials that react (including fire and explosion) to water, heat, and air or even react spontaneously.

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Hazardous materials that react (including fire and explosion) to water, heat, and air or even react spontaneously are called flammable solids.

If you are transporting chlorine in cargo tanks, you must have ______ in your vehicle.

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You must have an approved gas mask in your vehicle when transporting chlorine in cargo tanks because you might inhale chlorine fumes. Besides, you must also have an emergency kit for controlling leaks in dome-cover plate fittings on the cargo tank.

What is the most important package marking?

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The most important package marking is the name of the hazardous material.

The technical name accompanies the generic shipping name on the shipping paper. What is a technical name?

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A technical name is a specific chemical that defines the product as hazardous.

Where should the shipping papers be located in your vehicle?

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When you are behind the wheels, keep shipping papers within your reach while still wearing your seatbelt. It can also be placed in a pouch on the driver's door and in a place where the shipping papers are visible to someone entering the cab.

You should see the hazardous materials _______ on the shipping paper and on the package.

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The hazardous materials identification number (ID number) should be located on the shipping paper and on the package. It may also appear on cargo tanks and other bulk packaging.

You cannot drive a vehicle that carries hazardous materials if you do not have Hazardous Materials Endorsement on your commercial driver license.

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If you do not have Hazardous Materials Endorsement on your commercial driver license, you can still drive a vehicle that carries hazardous materials as long as it does not require placards.

What does RQ mean in hazardous materials?

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RQ means reportable quantity.

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