8-Hour Refresher HAZWOPER Exam
Questions & Answers (Grade A+)
DOT Class 1 -
correct answer ✅Explosive
DOT Class 2 -
correct answer ✅Compressed Gases ( cylinders )
DOT Class 3 -
correct answer ✅Flammable liquids (FP < 140 degrees F)
DOT Class 4 -
correct answer ✅Flammable Solids
DOT Class 5 -
correct answer ✅Oxidizers
DOT Class 6 -
correct answer ✅Poison Solids & liquids
DOT Class 7 -
correct answer ✅Radioactive
,8-Hour Refresher HAZWOPER Exam
Questions & Answers (Grade A+)
DOT Class 8 -
correct answer ✅Corrosives
DOT Class 9 -
correct answer ✅Miscellaneous
Manufacturers Label Contains: -
correct answer ✅Product name, Chemical names, Hazards,
Precautions, Storage Info, etc.
DOT Hazard Class Labels Hazardous Materials Identification System
(HMIS) -
correct answer ✅RED, BLUE, ORANGE, WHITE
HMIS Red -
correct answer ✅Flammability Rating
HMIS Blue -
correct answer ✅Health Hazard Rating
HMIS Orange -
correct answer ✅Physical Hazard Rating
,8-Hour Refresher HAZWOPER Exam
Questions & Answers (Grade A+)
HMIS White -
correct answer ✅Special Hazard Rating
National Fire Protection Association (NFPA) Labels -
correct answer ✅RED, BLUE, YELLOW, WHITE
NFPA Red -
correct answer ✅Flammability rating
NFPA Blue -
correct answer ✅Health Hazard Rating
NFPA Yellow -
correct answer ✅Instability Hazard Rating
NFPA White -
correct answer ✅Special Hazard Rating
, 8-Hour Refresher HAZWOPER Exam
Questions & Answers (Grade A+)
Placards Identify: -
correct answer ✅The hazard class of the material and in some
cases identify the DOT identification number or UN Number
What weight of hazardous materials requires the vehicle to display
placards on all four sides? -
correct answer ✅1000+Lbs
Other factors, which may indicate hazardous substances -
correct answer ✅Locations, Colors, Container type or shape
Safety Data Sheet (SDS) -
correct answer ✅Information on a products hazardous
ingredients, physical properties, fire and explosion data, reactivity,
health hazard data, precautions and use. Required to be on hand
for every chemical used or stored on site.
Shipping Papers or Manifests -
correct answer ✅Reffered to as bill of landing, are required for
most hazardous material shipments. Gives information about what
it is and the hazards involved.
Questions & Answers (Grade A+)
DOT Class 1 -
correct answer ✅Explosive
DOT Class 2 -
correct answer ✅Compressed Gases ( cylinders )
DOT Class 3 -
correct answer ✅Flammable liquids (FP < 140 degrees F)
DOT Class 4 -
correct answer ✅Flammable Solids
DOT Class 5 -
correct answer ✅Oxidizers
DOT Class 6 -
correct answer ✅Poison Solids & liquids
DOT Class 7 -
correct answer ✅Radioactive
,8-Hour Refresher HAZWOPER Exam
Questions & Answers (Grade A+)
DOT Class 8 -
correct answer ✅Corrosives
DOT Class 9 -
correct answer ✅Miscellaneous
Manufacturers Label Contains: -
correct answer ✅Product name, Chemical names, Hazards,
Precautions, Storage Info, etc.
DOT Hazard Class Labels Hazardous Materials Identification System
(HMIS) -
correct answer ✅RED, BLUE, ORANGE, WHITE
HMIS Red -
correct answer ✅Flammability Rating
HMIS Blue -
correct answer ✅Health Hazard Rating
HMIS Orange -
correct answer ✅Physical Hazard Rating
,8-Hour Refresher HAZWOPER Exam
Questions & Answers (Grade A+)
HMIS White -
correct answer ✅Special Hazard Rating
National Fire Protection Association (NFPA) Labels -
correct answer ✅RED, BLUE, YELLOW, WHITE
NFPA Red -
correct answer ✅Flammability rating
NFPA Blue -
correct answer ✅Health Hazard Rating
NFPA Yellow -
correct answer ✅Instability Hazard Rating
NFPA White -
correct answer ✅Special Hazard Rating
, 8-Hour Refresher HAZWOPER Exam
Questions & Answers (Grade A+)
Placards Identify: -
correct answer ✅The hazard class of the material and in some
cases identify the DOT identification number or UN Number
What weight of hazardous materials requires the vehicle to display
placards on all four sides? -
correct answer ✅1000+Lbs
Other factors, which may indicate hazardous substances -
correct answer ✅Locations, Colors, Container type or shape
Safety Data Sheet (SDS) -
correct answer ✅Information on a products hazardous
ingredients, physical properties, fire and explosion data, reactivity,
health hazard data, precautions and use. Required to be on hand
for every chemical used or stored on site.
Shipping Papers or Manifests -
correct answer ✅Reffered to as bill of landing, are required for
most hazardous material shipments. Gives information about what
it is and the hazards involved.
