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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 Delaware hazmat test consists of 30 questions. To pass, you must correctly answer at least 24 questions (80%). The DE CDL hazmat test covers the information found in the Delaware 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. Which of the following may be used to warn of a stopped vehicle carrying explosives?
Reflective triangles
Fire signals
Liquid burning flares
2. If the ABS is not working:
the truck will have no brakes.
the truck will still have normal brakes.
you should immediately reduce your speed.
All of the above.
3. When moving Division 1.1 or 1.2 materials, the floor liner you use must be:
ferrous metal.
either non-metallic material or non-ferrous metal.
None of the above.
4. As you approach off ramps and on ramps, remember:
to always brake and turn at the same time.
that the posted speed limit may not be safe for larger vehicles.
that downgrades make it easier to reduce speed.
to maintain your highway speed.
5. When driving a 50 foot vehicle at 50 mph, how much space should you keep in front of you?
4 seconds
6 seconds
5 seconds
3 seconds
6. Which of the following is NOT a good rule for using turn signals?
Cancel your signal after you have turned
Cancel the signal before completing the turn
Signal continuously
Signal early
7. To avoid rollbacks when you start, you should:
put on the parking brake whenever necessary.
release the parking brake only when you have applied enough engine power.
if you have manual transmission, partly engage the clutch before you take your right foot off the brake.
All of the above.
8. What is the main difference between portable tanks and cargo tanks?
The product is loaded or unloaded while the portable tanks are off the vehicle.
Portable tanks are not permanently attached to a vehicle.
Portable tanks must show the lessee or owner’s name.
All of the above.
9. To avoid a hazard:
stopping is always the best thing to do.
changing lanes is always the best thing to do.
steering away from what is ahead may be the best thing to do.
driving on the shoulder of the road is always the best thing to do.
10. To recognize if the shipment includes hazardous materials, you should look at the shipping paper and:
look at the shapes of containers.
know what business is the shipper is in.
see if there are tanks with diamond labels or placards on the premises.
All of the above.
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Hazmat CDL Test (DE)

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