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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 Hawaii hazmat test consists of 30 questions. To pass, you must correctly answer at least 24 questions (80%). The HI CDL hazmat test covers the information found in the Hawaii 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. After starting the engine the coolant temperature should:
slowly decrease.
rise quickly.
rise gradually.
2. Which of the following statements is true?
Poor cargo ventilation is a common cause of fire.
Carrying a properly charged and rated fire extinguisher will help prevent fires.
There is no way that short circuits due to damaged insulation can cause a vehicle fire.
3. When driving at night, to avoid glare from oncoming vehicles you should:
put your own high beams on when other drivers do not put their low beams on.
look slightly to the right at a right lane or edge marking.
look directly at lights of oncoming vehicles.
4. Checking the automatic transmission fluid level may require:
the engine to be running.
the 4-way emergency flashers to be activated.
the vehicle to be parked downhill.
5. Before unloading explosive materials, you should:
keep the engine running.
turn your engine off.
connect heater power sources.
6. When driving in hot weather, drivers should inspect tires:
every 3 hours or every 75 miles.
every 2 hours or every 100 miles.
every 4 hours or every 200 miles.
7. What should you do if you doubt you have safe space to pass under a low bridge?
Go slowly, and take another route if you are not sure you can make it.
Increase the weight of your vehicle to clearing under the bridge.
If no warnings are posted, assume there is enough clearance under the bridge and proceed slowly.
8. When crossing railroad tracks, you should:
stop on the tracks.
shift gears while crossing the tracks.
stay in your lane.
9. Drivers involved in transporting hazardous materials must:
keep hazardous materials shipping papers and emergency response information in the proper place.
safely transport the shipment without delay.
All of the above.
10. Placards are used:
to warn other drivers when the load on the vehicle extends 4 feet or more beyond the rear of the body.
to warn others of hazardous materials.
to warn other drivers about the risks of tailgating.
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HI CDL Hazmat Test

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