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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 Ohio hazmat test consists of 30 questions. To pass, you must correctly answer at least 24 questions (80%). The OH CDL hazmat test covers the information found in the Ohio 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 the main difference between portable tanks and cargo tanks?
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The product is loaded or unloaded while the portable tanks are off the vehicle.
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Portable tanks are not permanently attached to a vehicle.
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All of the above.
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2.
A shipping paper for HazMat must include:
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a proper shipping description for each HazMat.
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page numbers if the shipping paper has more than 1 page.
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All of the above.
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3.
If you are driving on a slippery road, you should:
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apply the brakes during turns.
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adjust your speed to conditions.
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decrease your following distance.
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4.
Most heavy-duty vehicles use:
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solid brakes.
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hydraulic brakes.
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air brakes.
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5.
What shape are placards used for transporting hazardous materials?
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Diamond
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Triangle
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Circle
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6.
If a material is transported in a reportable quantity, the shipper displays the letters ___ on the shipping paper and package.
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RM
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RQ
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MT
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7.
Placards should be placed at least ______ away from any other markings.
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3 inches
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7 inches
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6 inches
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8.
When you discover a fire, if the trailer doors are hot you should not open them because:
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with air many fires do less damage.
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the temperature of the trailer should not be changed in any way.
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opening the doors lets air in and may make the fire flare up.
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9.
Which of the following is not a type of retarder?
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Hydraulic
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Exhaust
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Pressure
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10.
Hazardous materials are labelled with a __________ label.
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triangle-shaped
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diamond-shaped
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rectangular
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