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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 Idaho hazmat test consists of 30 questions. To pass, you must correctly answer at least 24 questions (80%). The ID CDL hazmat test covers the information found in the Idaho 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. What is Gross Vehicle Weight?
The total weight of a single vehicle, excluding its load
The total weight of the cargo
The total weight of a single vehicle, including its load
2. The parking brake:
should be used when you need to apply the brakes firmly.
should be used whenever you park.
should be used when driving in bad weather.
3. When moving Division 1.1 or 1.2 materials, the floor liner you use must be:
either non-metallic material or non-ferrous metal.
ferrous metal.
metallic.
4. Which of the following is not a place where the shipping papers may be kept?
In a pouch on the passenger's door
In a pouch on the driver's door
In clear view within reach while driving.
5. If your placarded trailer has dual tires, you should check the tires:
at the beginning of each trip and each time the vehicle is parked.
once every 500 miles.
once every 3 months.
6. To prevent getting sleepy while driving, you should:
keep cool by opening the window.
drive alone whenever possible.
keep the cab warm.
7. Which of the following is a common cause of truck fires?
Short circuits due to loose connections.
Under-inflated tires and duals that touch.
All of the above.
8. If the diamond-shaped hazard warning label won't fit on a package, shippers may label the hazardous materials:
using a bar code instead.
with a tag.
by placing the package in a hazmat container.
9. If your vehicle is placarded, carries any amount of chlorine or has cargo tanks used for hazardous materials, you must stop _______ feet before the nearest railroad track.
15 to 50
5 to 15
50 to 100
10. One way to prevent hydroplaning is to:
have less than 4/32 inch tread depth in every major groove on front tires.
take curves at higher speeds.
make sure you have enough tread on your tires.
 
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ID CDL Hazmat Test

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