The marine pollutant symbol is the image of a fish in a white triangle with an X through through the fish.

The image of a fish in a white triangle with an X through through the fish

The image of a bird in a red octagon

The image of a fish in a white triangle with an X through through the fish

A light blue square with a dark blue X through the square

If you need to refuel a vehicle carrying hazardous materials, you must first turn off the engine. While refueling, someone must be at the nozzle and controlling the fuel flow at all times.

The engine should be turned off.

The gas nozzle may be left unattended.

A person attending a parked placarded vehicle must be either awake inside the vehicle or they must be within 100 feet of it. If not inside the vehicle itself, the person must have a clear view of the vehicle. The person attending may not be inside the sleeper berth.

Within 100 feet of the vehicle.

Either awake or asleep inside the vehicle.

Within 100 feet of the vehicle.

FREE Online Hazmat Test | DMV Iowa 2024 Page 2 of 5

On our website, we provide FREE practice - CDL hazmat test online! The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a IA CDL hazmat endorsement in 2021, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that Iowa requirements for issuing a hazmat endorsement for CDL may vary from those established in other states.

Number of Question 30

Passing Score 24

Number of Tests 20

FREE Online Hazmat Test | DMV Iowa 2024 Page 2 of 5

7 . Many products classed as poison are also:

8 . A placard indicating hazardous materials is which shape?

9 . What is the symbol for a marine pollutant?

10 . When refueling a vehicle carrying hazardous materials:

11 . The power unit of a placarded vehicle must carry a fire extinguisher with a minimum rating of:

12 . A person attending a placarded vehicle may be:

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