HazMat #1
Hazmat Test | Massachusetts 2025 #1 Page 3 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 MA CDL hazmat endorsement in 2025, 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 Massachusetts requirements for issuing a hazmat endorsement for CDL may vary from those established in other states.
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13 . A Class 7 hazardous material is:
Corrosive.
Radioactive materials are categorized as Class 7 hazardous materials.
14 . In the event of a cargo fire, opening trailer doors may cause a fire to expand because:
It will provide more light.
In the event of a cargo fire, you should not open the trailer doors. Doing this could cause the fire to flare up by giving it access to more oxygen.
15 . If you are transporting Class 3 flammable liquids and your cargo needs to be moved into another tank, the flammable liquids:
Should be transferred at night.
Flammable liquids should not be transferred from one vehicle to another on a public roadway, unless being moved due to an emergency. Always warn others of the hazards presented by the materials.
16 . When driving a vehicle with empty cargo tanks that are used to carry hazardous materials, the driver:
Should never drive over railroad tracks.
A vehicle with tanks that are used to transport hazardous materials must always be stopped before being driven over railroad tracks, even if the tanks are empty.
17 . If transporting chlorine, what must be kept in the vehicle?
Directions for emergency personnel
A driver transporting chlorine in cargo tanks must keep an approved gas mask and an emergency kit in their vehicle.
18 . What should a carrier do if hazardous materials are not properly prepared?
Refuse the shipment
