Hazmat Operations Exam Prep – Study Guide
& Questions | Latest Update 2026 | Graded A+
Substances or materials in quantities or forms that may pose an unreasonable risk to
health safety, or property when transported, stored, or used in commerce is the
definition of a:
-Hazard Class
-Hazardous Chemical
-Hazardous Material
-Hazardous Substance - correct answerHazardous Material
Federal OSHA (#'s crossed out) and several states have required that local
establishments keep on file a Material Safety Data Sheet when:
-Wood products are used
-Personnel have not received specialized hazmat training
-Hazardous materials are used or stored on site
-Backup emergency power is not available - correct answerHazardous materials are
used or stored on site
The information paper developed by the manufacturer listing specific hazards of a
product is called:
-The Emergency Response Guidebook
-CHEMTREK
-The NFPA 704 System
-Materials Safety Data Sheet - correct answerMaterial Safety Data Sheet
A major difference between a hazardous materials incident and other types of
emergencies is the fact that hazmat incidents:
-can be more complex
-occur less frequently
-occur more frequently
-occur in specific locations - correct answerCan be more complex
The DOT hazard Class 8 consists of:
-Flammable liquids
-Explosives
-Corrosives
-Poisons - correct answerCorrosives
The primary hazard of a DOT hazard class 5 material is:
-Radiation
-Oxidation
,-Spontaneously combustible
-Poison - correct answerOxidation
A cylinder should be considered dangerous regardless of what type of hazardous
material it contains because the contents are:
-Flammable
-Pressurized
-Toxic
-Asphyxiating - correct answerPressurized
The four digit number appearing on a placard or an orange panel of a tank car is the:
-UN product identification number
-Capacity of the tank car
-Last date the tank car was pressure tested
-Tank car registration number - correct answerUN product Identification number
The NFPA 704 system for identifying hazardous materials gives:
-General hazard and degree of severity
-Specific product identification
-The DOT hazard class
-The UN hazard class - correct answerGeneral hazard and degree of severity
A number 4 in the blue quadrant of the NFPA 704 system indicates that there is
_______ ris in this caregory from the chemical involved:
-Great
-A slight
-No
-Moderate - correct answerGreat
The white quadrant of the NFPA 704 system is used to indicate:
-Health Hazards
-Flammability
-Additional Information
-Reactivity - correct answerAdditional Information
The fact that a product is water reactive would be indicated in the ______ quadrant of
the NFPA 704 system:
-Blue
-Red
-White
-Yellow - correct answerWhite
The type of hazardous material identification method required for shipping some
products over 1001 pounds is the:
-DOT system
-Labeling method
, -NFPA 704 Method
-Stamping method - correct answerDOT system
Placards or labels indicate general hazard recognition by:
-The numbers 0-4 indicating relative risk
-Always indicating the product by name
-Giving the UN hazard class number
-the number in the bottom quadrant on the diamond - correct answerGiving the UN
hazard class number
A Bill of Lading contains valuable information about the origin of the product and is the
type of shipping paper used when transporting product via:
-Truck
-Railway Car
-Barge
-Aircraft - correct answerTruck
Care and Control of the Waybill/consist is the responsibility of the:
-Truck driver
-Train conductor/engineer
-Ship captain or master
-Aircraft pilot - correct answerTrain Conductor/Engineer
The normal location for the Bill of Lading is in the:
-Wheelhouse
-Cockpit
-Conductor's possession
-Cab of the truck - correct answerCab of the truck
During an incident involving a train, you should look for the shipping papers in any of the
following EXCEPT:
-Engine or Caboose
-Conductor's Possession
-Rail cars carrying the products
-Engineers Possession - correct answerRail cars carrying the products
Using the human senses of smell or taste to determine the presence of a hazardous
material is:
-The best first step
-Not reliable if the product is heavier than air
-Unreliable, unacceptable, and unsafe
-Recommended unless you have a head cold - correct answerUnreliable, Unacceptable,
and Unsafe
Hazardous occupancies and problem locations should be identified and evaluated:
-En route to an emergency
& Questions | Latest Update 2026 | Graded A+
Substances or materials in quantities or forms that may pose an unreasonable risk to
health safety, or property when transported, stored, or used in commerce is the
definition of a:
-Hazard Class
-Hazardous Chemical
-Hazardous Material
-Hazardous Substance - correct answerHazardous Material
Federal OSHA (#'s crossed out) and several states have required that local
establishments keep on file a Material Safety Data Sheet when:
-Wood products are used
-Personnel have not received specialized hazmat training
-Hazardous materials are used or stored on site
-Backup emergency power is not available - correct answerHazardous materials are
used or stored on site
The information paper developed by the manufacturer listing specific hazards of a
product is called:
-The Emergency Response Guidebook
-CHEMTREK
-The NFPA 704 System
-Materials Safety Data Sheet - correct answerMaterial Safety Data Sheet
A major difference between a hazardous materials incident and other types of
emergencies is the fact that hazmat incidents:
-can be more complex
-occur less frequently
-occur more frequently
-occur in specific locations - correct answerCan be more complex
The DOT hazard Class 8 consists of:
-Flammable liquids
-Explosives
-Corrosives
-Poisons - correct answerCorrosives
The primary hazard of a DOT hazard class 5 material is:
-Radiation
-Oxidation
,-Spontaneously combustible
-Poison - correct answerOxidation
A cylinder should be considered dangerous regardless of what type of hazardous
material it contains because the contents are:
-Flammable
-Pressurized
-Toxic
-Asphyxiating - correct answerPressurized
The four digit number appearing on a placard or an orange panel of a tank car is the:
-UN product identification number
-Capacity of the tank car
-Last date the tank car was pressure tested
-Tank car registration number - correct answerUN product Identification number
The NFPA 704 system for identifying hazardous materials gives:
-General hazard and degree of severity
-Specific product identification
-The DOT hazard class
-The UN hazard class - correct answerGeneral hazard and degree of severity
A number 4 in the blue quadrant of the NFPA 704 system indicates that there is
_______ ris in this caregory from the chemical involved:
-Great
-A slight
-No
-Moderate - correct answerGreat
The white quadrant of the NFPA 704 system is used to indicate:
-Health Hazards
-Flammability
-Additional Information
-Reactivity - correct answerAdditional Information
The fact that a product is water reactive would be indicated in the ______ quadrant of
the NFPA 704 system:
-Blue
-Red
-White
-Yellow - correct answerWhite
The type of hazardous material identification method required for shipping some
products over 1001 pounds is the:
-DOT system
-Labeling method
, -NFPA 704 Method
-Stamping method - correct answerDOT system
Placards or labels indicate general hazard recognition by:
-The numbers 0-4 indicating relative risk
-Always indicating the product by name
-Giving the UN hazard class number
-the number in the bottom quadrant on the diamond - correct answerGiving the UN
hazard class number
A Bill of Lading contains valuable information about the origin of the product and is the
type of shipping paper used when transporting product via:
-Truck
-Railway Car
-Barge
-Aircraft - correct answerTruck
Care and Control of the Waybill/consist is the responsibility of the:
-Truck driver
-Train conductor/engineer
-Ship captain or master
-Aircraft pilot - correct answerTrain Conductor/Engineer
The normal location for the Bill of Lading is in the:
-Wheelhouse
-Cockpit
-Conductor's possession
-Cab of the truck - correct answerCab of the truck
During an incident involving a train, you should look for the shipping papers in any of the
following EXCEPT:
-Engine or Caboose
-Conductor's Possession
-Rail cars carrying the products
-Engineers Possession - correct answerRail cars carrying the products
Using the human senses of smell or taste to determine the presence of a hazardous
material is:
-The best first step
-Not reliable if the product is heavier than air
-Unreliable, unacceptable, and unsafe
-Recommended unless you have a head cold - correct answerUnreliable, Unacceptable,
and Unsafe
Hazardous occupancies and problem locations should be identified and evaluated:
-En route to an emergency
