#1
Which of the following is NOT a class of hazardous materials as per the Hazmat classification?
Organics
ExplanationOrganics are not a class; the other classes include explosives, gases, flammable liquids, and more.
#2
Which Hazmat class includes materials with the potential for causing temporary incapacitation or residual injury?
Class 6
ExplanationClass 6 includes toxic and infectious substances that can cause temporary incapacitation or residual injury.
#3
Which regulatory agency oversees hazardous materials transportation in the United States?
PHMSA
ExplanationPHMSA, the Pipeline and Hazardous Materials Safety Administration, oversees hazardous materials transportation in the United States.
#4
Which hazard class includes materials capable of causing death or serious injury upon contact or inhalation?
Class 8
ExplanationClass 8 includes materials capable of causing severe injury or death upon contact or inhalation.
#5
Which hazard class includes materials capable of causing spontaneous combustion?
Class 4
ExplanationClass 4 includes materials capable of causing spontaneous combustion, such as flammable solids.
#6
What does the 'NFPA 704' diamond-shaped placard primarily indicate?
Flammability
ExplanationThe NFPA 704 placard primarily indicates the degree of flammability of hazardous materials.
#7
What does 'IDLH' stand for in hazardous materials management?
Immediate Danger to Life and Health
ExplanationIDLH stands for Immediate Danger to Life and Health, referring to conditions that pose a threat of severe exposure.
#8
What does the 'DOT' stand for in the context of hazardous materials transportation regulations?
Department of Transportation
ExplanationDOT stands for the Department of Transportation, which regulates hazardous materials transportation.
#9
Which hazard class does 'cyanide' primarily belong to?
Class 8
ExplanationCyanide primarily belongs to Hazard Class 8, which includes corrosive substances.
#10
What does the abbreviation 'MSDS' stand for in the context of hazardous materials?
Material Safety Data Sheet
ExplanationMSDS stands for Material Safety Data Sheet, providing information on the properties and hazards of hazardous materials.
#11
Which class of hazardous materials includes substances liable to spontaneous combustion?
Class 4
ExplanationClass 4 includes substances that are liable to spontaneous combustion, such as flammable solids.
#12
What is the 'ERG' used for in hazardous materials incidents?
Emergency Response Guidebook
ExplanationThe ERG is used to provide guidance to emergency responders regarding hazardous materials incidents.
#13
What does the term 'flash point' refer to in Hazmat classification?
The lowest temperature at which a substance produces enough vapor to form an ignitable mixture in the air
ExplanationFlash point refers to the lowest temperature at which a substance produces enough vapor to form an ignitable mixture.
#14
In Hazmat response, what is the purpose of 'decontamination'?
To minimize the spread of contamination
ExplanationDecontamination is conducted to minimize the spread of hazardous materials contamination.
#15
What does the 'UN number' signify in hazardous materials transportation?
United Nations classification code
ExplanationThe UN number signifies the United Nations classification code for hazardous materials, aiding in their identification during transportation.