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Hazmat Operations Firefighter Final Exam Questions and Answers, Exams of Safety and Fire Engineering

Nova Southeastern University (NSU)Safety and Fire Engineering

A comprehensive set of multiple-choice questions and answers covering various aspects of hazmat operations for firefighters. It includes questions on definitions, regulations, hazard identification, placarding systems, and emergency response procedures. Designed to help firefighters prepare for their final exam in hazmat operations.

Typology: Exams

2024/2025

Available from 03/17/2025

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Hazmat Ops FIREFIGHTER FINAL
EXAM .QUESTIONS WITH COMPLETE
SOLUTIONS ,100% GUARANTEED
PASS.LATEST UPDATE 2025
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 - ✔✔✔Hazardous 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 - ✔✔✔Hazardous 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 - ✔✔✔Material 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
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Download Hazmat Operations Firefighter Final Exam Questions and Answers and more Exams Safety and Fire Engineering in PDF only on Docsity!

Hazmat Ops FIREFIGHTER FINAL

EXAM .QUESTIONS WITH COMPLETE

SOLUTIONS ,100% GUARANTEED

PASS.LATEST UPDATE 2025

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 - ✔✔✔Hazardous 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 - ✔✔✔Hazardous 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 - ✔✔✔Material 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 - ✔✔✔Can be more complex The DOT hazard Class 8 consists of:
  • Flammable liquids
  • Explosives
  • Corrosives
  • Poisons - ✔✔✔Corrosives The primary hazard of a DOT hazard class 5 material is:
  • Radiation
  • Oxidation
  • Spontaneously combustible
  • Poison - ✔✔✔Oxidation A cylinder should be considered dangerous regardless of what type of hazardous material it contains because the contents are:
  • Flammable
  • Pressurized
  • Toxic
  • Asphyxiating - ✔✔✔Pressurized 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 - ✔✔✔UN 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
  • Giving the UN hazard class number
  • the number in the bottom quadrant on the diamond - ✔✔✔Giving 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 - ✔✔✔Truck Care and Control of the Waybill/consist is the responsibility of the:
  • Truck driver
  • Train conductor/engineer
  • Ship captain or master
  • Aircraft pilot - ✔✔✔Train Conductor/Engineer The normal location for the Bill of Lading is in the:
  • Wheelhouse
  • Cockpit
  • Conductor's possession
  • Cab of the truck - ✔✔✔Cab 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 - ✔✔✔Rail 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 - ✔✔✔Unreliable, Unacceptable, and Unsafe Hazardous occupancies and problem locations should be identified and evaluated:
  • En route to an emergency
  • During preincident planning
  • During training sessions
  • At least once a year - ✔✔✔During preincident planning Local emergency response personnel can avoid considerable confusion if the ______ is utilized in preincident planning:
  • ERG
  • MSDS
  • Shipping Paper
  • Bill of Lading - ✔✔✔MSDS True or False-Shipping papers will contain an entry for Hazard classification according to DOT regulations. - ✔✔✔True Which of the following should be found on shiping papers when transporting hazardous material?
  • UN identification number
  • Proper name of the shipped materials
  • Hazard class of shipment
  • All of the above - ✔✔✔All of the above Any product, substance, or organism included by its nature or by the regulation in any of the classes listed in the schedule (UN 9 classes of hazardous materials) is the definition of a/an:
  • Dangerous Cargo Manifest
  • Extremely Hazardous Substance
  • Corrosive Materials
  • Dangerous Goods (Canada) - ✔✔✔Dangerous Goods (Canada)
  • Nonflammable gas
  • Flammable solid
  • Oxidizer - ✔✔✔Nonflammable gas A type of compressed gas that can be extremely dangerous to life and is considered by the DOT to be a hazardous material is a/an:
  • poison gas
  • pressurized gas
  • inorganic gas
  • inert gas - ✔✔✔poison gas Liquid or solid substances that emit toxic, dangerous, and irritating fumes are known as:
  • Poisonous materials
  • Pyrophoric materials
  • etiological agents
  • cryogenic materials - ✔✔✔poisonous materials Red and white vertical stripes on a placard represent which hazard class?
  • explozives
  • nonflammable gases
  • Flammable solids
  • Oxidizers - ✔✔✔Flammable solids A placard with an orange background represents which of the following hazard classes?
  • Explosives
  • Nonflammable gases
  • Flammable solids
  • Oxidizers - ✔✔✔Explosives A placard with a yellow background represents which of the following hazard classes?
  • Explosives
  • Nonflammable gases
  • Flammable solids
  • Oxidizers - ✔✔✔Oxidizers A placard with a blue background represents which of the following hazard classes?
  • Dangerous when wet
  • Combustibles
  • Health Hazard
  • Oxidizers - ✔✔✔Dangerous when wet A placard with the top half background yelow, and bottom half white, and a radioactive symbol on the top half represents which of the following hazard classes?
  • Radioactives
  • Poison gases
  • Flammable liquids
  • Corrosives - ✔✔✔Radioactives A placard with white background, and a skull and crossbones symbol on the top and a 2 on the bottom, represents which of the following hazard classes?
  • Radioactives
  • Poison gases
  • Poison liquids
  • Corrosives - ✔✔✔Poison gases A placard with white of black, and a hand with chemical being poured onto it represents which of the following hazard classes?
  • Poisons
  • Miscellaneous
  • Flammable gases
  • Corrosives - ✔✔✔Corrosives

In the NFPA 704 system, the quadrant dealing with reactivity is colored?

  • blue
  • yellow
  • red
  • white - ✔✔✔Yellow A hazard class of 3, within the U.N. labeling system indicates a ________ product.
  • Flammable gas
  • Flammable solid
  • Flammable liquid
  • Poisonous liquid - ✔✔✔Flammable Liquid A substance that readily yields oxygen to support combustion of fuels, would be labeled hazard class ______ under the U.N. Labeling system.
  • 3
  • 5
  • 7
  • 9 - ✔✔✔ 5 A container of flammable solids would receive a UN label or placard with a hazardous classification number of:
  • 1
  • 2
  • 3
  • 4 - ✔✔✔ 4

Using the DOT labeling system, a flammable liquid would receive a hazard classification of:

  • 1
  • 2
  • 3
  • 4 - ✔✔✔ 3 Within the UN system, a container labeled with a hazard class 4 contains a:
  • Combustible liquid
  • flammable gas
  • flammable solid
  • flammable liquid - ✔✔✔flammable solid Of the references listed below, the MOST SPECIFIC source of information on a hazardous material is/are:
  • The DOT Emergency Response Guidebook
  • The Material Safety Data Sheet (MSDS)
  • DOT placards
  • The NFPA 704 system - ✔✔✔The Material Safety Data Sheet (MSDS) Physical data, chemical name, exposure limits, health hazard data, and special precautions are all parts of the:
  • Dangerous Cargo Manifest
  • Emergency Response Guidebook
  • Material Safety Data Sheet
  • UN ID system - ✔✔✔Material Safety Data Sheet The background color of a placard that would signify a poisonous substance hazard and that contains a skull and crossbones is:
  • Yellow
  • Orange
  • Red
  • White - ✔✔✔White
  • Turn-out clothing must be used
  • Hazardous material is of an odorous nature - ✔✔✔Protective mask or breathing apparatus must be used A tractor-trailer carrying 975 lbs. of organic peroxides requires:
  • a white placard
  • an orange placard
  • a yellow placard
  • no placard - ✔✔✔No Placard the NFPA 704 system provides the:
  • General hazard information
  • Product's chemical name
  • Four digit UN number
  • Number used to look up the product's name - ✔✔✔General Hazard Information Some materials can become explosive as they age. One example of this type of material is:
  • Radioactive material
  • Poison
  • Flammable gas
  • Organic peroxide - ✔✔✔Organic Peroxide The primary hazard of an oxidizer is its ability to:
  • disintegrate tissue and steel
  • accelerate combustion
  • form combustible mixtures in air
  • cause harm when inhaled - ✔✔✔accelerate combustion The DOT hazard class 2 includes:
  • flammable solids
  • poison liquid
  • nonflammable gases
  • corrosive poisons - ✔✔✔Nonflammable gases The DOT hazard class 1 includes:
  • etiologic agents
  • explosives
  • corrosives
  • nonflammable liquids - ✔✔✔explosives The UN hazard class 6 includes all of the following except:
  • liquid poisons
  • infectious substances
  • poison solids
  • poison gases - ✔✔✔poison gases True or False: Placards that contain the UN class number 6 at the bottom identify a material that may be an infectious substance hazard. - ✔✔✔True The NFPA 704 system indicates a:
  • relative risk
  • product's chemical name
  • four digit number
  • number used to look up the name of the product - ✔✔✔Relative risk In using the various clues for detecting the presence of hazardous materials, the use of ________ would be considered the MOST dangerous.
  • hearing
  • vision
  • the sense of smell
  • binoculars - ✔✔✔The sense of smell

Under SARA title III, some facilities are required to have MSDS information. The PRIMARY consideration in determining whether a facility is required to have MSDS information is wheter the facility:

  • is located within 1000 feet of residential neighborhoods
  • has chemicals that are not consumer quantities
  • has 24-hour security
  • has an area under one roof that is greater than 250,000 square feet - ✔✔✔has chemical that are not consumer quantities The two tpes of POTENTIAL HAZARDS found in each guide of the Emergency Response Guidebook are:
  • reactivity and solubility
  • spill and leak
  • corrosive and flammable
  • health and fir/explosion - ✔✔✔health and fire/explosion if a placard is visible, but no product name or four digit UN number is given, how can you determine which guide page of the Emergency Response Guidebook to use?
  • The table of placards lists guide numbers
  • The hazard class number determines the guide page number
  • Use the green section of the Emergency Response Guidebook
  • You cannot use the Emergency Response Guidebook without a name or number - ✔✔✔the table of placards lists guide numbers Given the 2000 edition of the ERG, the recommended action for a small fire involving a substance identified by the UN identification number 2553 would be to:
  • use water only
  • use dry chemical, CO2, water spray, or regular foam
  • let the fire burn unless leak can be stopped immediately
  • smother with sand - ✔✔✔use dry chemical, Co2, water spray, or regular foam

Given the 2000 edition of the ERG, a placard with a white background, and a wheat symbol with an x through it, and HARMfUL STOW AWAY FROM FOODSTUFFS with a 6 on the bottom indicates the substance is considered:

  • Corrosive
  • Combustible
  • Highly toxic
  • Polymer - ✔✔✔Highly toxic Once resource that deals with protective action distances involving poisonous gas, is the:
  • DOT ERG book
  • MSDS
  • NFPA hazmat data base
  • Fire Chief's handbook - ✔✔✔DOT ERG book Given the 2000 edition of the ERG, the recommended personal protective equipment for a hazardous material SPILL involving Dichlorvos is:
  • Street clothing and work uniform
  • Structural firefighter protective clothing and positive pressure SCBA
  • Positive pressure SCBA
  • Chemical protective clothing and positive pressure SCBA - ✔✔✔Chemical protective clothing and positive pressure SCBA Given the 2000 edition of the ERG, the table of isolation distances, defines a "small spill" as a spill of up to _______ from a leaking package.
  • Less than 75 gallons
  • Approximately 200 liters
  • more than 55 gallons
  • more than 75 gallons - ✔✔✔Approximately 200 liters Given the 2000 edition of the ERG, the isolation distance for a small spill involving a package of the chemical boron trichloride is:
  • 100 feet
  • 1000 feet
  • initial isolation area
  • evacuation
  • in place protection - ✔✔✔in place protection Given the 2000 edition of the ERG, _______ are steps taken to preserve the health and safety of emergency responders and the public during an incident involving releases of dangerous goods.
  • Protective actions
  • Isolating the hazard area and denying entry
  • evacuation procedures
  • in place protection procedures - ✔✔✔protective actions The chemicals listed in highlighted type in the ERG were selected because:
  • they present a toxic inhalation hazard
  • their vapors are explosive
  • they create corrosive vapors
  • the actions listed in the orange section will not be effective for these chemicals - ✔✔✔they present a toxic inhalation hazard What is the proper PPE for a placard with a blue background, flame on top, 4 on bottom, and DANGEROUS WHEN WET in the center.
  • SCBA and chemical protective clothing specifically recommended by the manufacturer
  • Structural protective clothing
  • SCBA and structural protective clothing Chemical protective clothing - ✔✔✔SCBA and chemical protective clothing specifically recommended by the manufacturer What is the proper PPE for a placard with a yellow background, flaming circle with line under it on top, 2 on bottom, and OXYGEN in the center.
  • Thermal protective clothing
  • Structural protective clothing
  • SCBA and structural protective clothing
  • SCBA and chemical protective clothing specifically recommended by the manufacturer - ✔✔✔SCBA and structural protective clothing

The general routes of entry for human exposure to hazardous materials are:

  • Inhalation, ingestion, radiation, and injection
  • Injection, infection, radiation, and adsorption
  • Inhalation, ingestion, absorption, and injection
  • absorption, dilution, injection, and ingestion - ✔✔✔inhalation, ingestion, absorption, and injection Which of the following is not an action that should be taken regarding an individual who has come in contact with a corrosive material:
  • Remove the individual from the hazard area
  • Flush exposed skin with water
  • Apply petroleum jelly to the exposed area
  • Remove the contamination from the clothing - ✔✔✔Apply petroleum jelly to the exposed area When determining initial stand off or isolation distances for improvised explosive devices, it is BEST for responders to:
  • routinely isolate the immediate danger area 2,000 feet in all direction regardless of the device.
  • use explosives detection equipment or bomb sniffing dogs to accomplish the task
  • wait for bomb technicians to size up the situation and confer with the incident commander before making the call
  • understand that recommended isolation distances should be considered only as a guide - ✔✔✔understand that recommended isolation distances should be considered only as a guide Scene control at a terrorism incident may present unique challenges for the responders. In particular, responders must be aware that:
  • the incident may have taken place in a high crime area, so they should wait for the police before taking any action
  • the terrorist may be on the scene waiting for responders to arrive before striking again
  • the terrorist will not intentionally target responders, so they should consider the scene safe except for any hazardous materials present
  • scene control at criminal incidents is solely the responsibility of law enforcement, so they should focus on other activities - ✔✔✔the terrorists may be on the scene waiting for responders to arrive before striking again