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HAZMAT Operations WFD 45 Practice Test

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  • What term describes the temperature at which a fuel will spontaneously ignite?
  • The Incident Commander must address four factors for large-scale evacuations. Which are they?
  • Used to determine vapor density.
  • Which gas is a chemical asphyxiant produced by incomplete combustion of organic materials?
  • CAN Reports are used to cover what type of information?
  • The pressure exerted by a saturated vapor above its own liquid in a closed container called?
  • The Cold Zone is best described as which of the following?
  • If a solution has a pH of 7, it is considered what?
  • These emit ionizing radiation.
  • What are the three states of matter?
  • The IC must have ICS training and be trained, at a minimum, to the _______.
  • What term expresses the percentage of a material by weight that will dissolve in water at ambient temperature?
  • In the U.S., first responders should implement the _____ if they need to request outside assistance.
  • A management framework used to organize emergency incidents.
  • Microscopic, single-celled organisms that cause disease in people either by invading the tissues or by producing toxins.
  • A chemical hazard that causes involuntary muscle contractions (convulsions).
  • What are the 3 types of decon performed at hazmat incidents?
  • A vapor density greater than 1 indicates the vapor is heavier than air. Which statement correctly describes this relationship?
  • Which gas is produced by complete combustion of organic materials?
  • When expressed as an explosive limit (LEL/UEL), vapor or gas confinement may result in a/an _____, whereas when measurements are expressed as a flammable limit (LFL/UFL) in an area where confinement is not a concern may result in a/an ______.
  • What term refers to substances produced by living organisms, while the organism itself is usually not harmful to people?
  • Which of the following is a basic protection from radiation?
  • Which option lists all five factors that may lead to loss of Situational Awareness?
  • What are the 3 strategic modes of operation?
  • Which of the following items is included in situational awareness?
  • Which description best defines physical properties?
  • Which position is the primary point of contact for media and public information during hazmat incidents?
  • When relinquishing Command, the person relinquishing must provide the person assuming Command with a clear picture of the situation via what?
  • MEK (Methyl Ethyl Ketone) is an example of which solvent type?
  • What is the pH range for Bases (alkalis)?
  • Two liquids that mix in all proportions are described as what?
  • What are the three levels of Situational Awareness?
  • In this mode of operation, responders do not operate near the hazardous materials/WMD, but focus on public protective action.
  • The lowest concentration that will burn when an ignition source is present is called the Lower Explosive Limit (LEL) or Lower Flammable Limit (LFL).
  • The simplest type of microorganisms that can only replicate themselves in the living cells of their hosts. They do not respond to antibiotics.
  • Which pattern is irregular in shape and downrange influenced by wind/topography?
  • Which of the following emits ionizing radiation?
  • Which item provides Activation Energy in the Reactivity Triangle?
  • Which types of gases expand rapidly when released, potentially threatening large areas?
  • A chemical reaction in which simple molecules combine to form long chain molecules is called?
  • What are the three main categories of protective clothing?
  • A common sign of exposure to a base is a greasy or slick feeling of the skin, due to what process?
  • What is a written or verbal plan for mitigating an incident?
  • A ______ structure controls hazmat incidents and allows coordinated response across multiple jurisdictions and agencies with overlapping authority and responsibility.
  • Solubility is most accurately described as what?
  • What are the four types of Ionizing Radiation?
  • Which additive is used to give natural gas its rotten egg odor?
  • Mass Decon is defined as which process?
  • What is the term for three-dimensional, slow-flowing liquid dispersion?
  • Which level of Situational Awareness involves applying knowledge to decisions?
  • What is the term for triangular-shaped pattern of a hazmat release with a point source at the breach and a wide base downrange?
  • Which of the following is NOT an element of the fire tetrahedron?
  • What is the process called when a solid changes directly into a gas?
  • Which incident level may require the services of a formal hazmat response team?
  • Which process describes the transformation of a vapor in the air into a liquid?
  • A chemical asphyxiant that is a byproduct of the incomplete combustion of organic materials.
  • A chemical hazard that prevents access to sufficient volumes of oxygen.
  • Which term is used to indicate how volatile a substance is relative to its temperature and pressure conditions, typically referred to as the pressure of the vapor?
  • Between acute and chronic doses of radiation, which is the body better equipped to handle?
  • Temperature at which liquids change to gas at a given pressure.
  • Where should the Command Post be established?
  • The minimum temperature at which a liquid or volatile solid gives off sufficient vapors to form an ignitable mixture with air near its surface is called what?
  • Which of the following are the three types of evidence?
  • Which of the following is an example of nonionizing radiation?
  • Which document is primarily used to coordinate incident action at a hazmat incident?
  • Diking is defined as which action?
  • Which of the following sets lists the three common causes of container stress?
  • Technical Decon is defined as which process?
  • Irregularly shaped pattern of an airborne hazardous material where wind and/or topography influence the downrange course from the point of release.
  • What is Level 1 of Situational Awareness?
  • The temperature at which a liquid becomes a solid at normal atmospheric pressure.
  • Which zone contains the Command Post, Staging Area, and specialized teams?
  • Which incident level is described as the least serious and easiest to handle, with evacuation limited to the immediate area?
  • Which term is described as a learning session not intended to assign blame?
  • What is the term for a solid transitioning directly to a gas?
  • What is the process of injecting an odorant into a combustible gas so that it is detectable by smell?
  • What term describes the direct transition from a vapor to a solid without an intermediate liquid?
  • Which substance can cause immune system overreactions (allergic reactions) in people or animals?
  • Which positions are included in the Command Staff?
  • Incident Critique is best described as which of the following?
  • CAN reports stand for which phrase?
  • What is the timing relationship between PIA and Incident Critique?
  • Ball-shaped pattern of the airborne hazardous material that collectively rises above the ground or water.
  • To develop a Site Safety Plan (SSP), you need to:
  • In this mode, responders seek to control or limit the emergency to a given area without directly contacting the hazardous materials/WMD involved.
  • ______ have the delegated authority to direct, order, and control resources.
  • Exposure to radiation received in a short period of time.
  • Damming is defined as which action?
  • The temperature at which a solid becomes a liquid at normal atmospheric pressure.
  • A container will breach when stressed beyond its ______.
  • What is the term for surface-following pattern of liquid hazmat affected by gravity and topographical contours?
  • What is the pH range for Acids?
  • Which mode is described as not operating near hazmat and focusing on public protective action?
  • Ratio of the density of a material to the density of a standard material.
  • Inhibitors are added to prevent what kind of undesired reaction?
  • Diverting is defined as which action?
  • Which option correctly lists all four emergency response communication services listed for the U.S.?
  • The least energetic form of radiation is ________, such as visible light, microwaves, and radio waves, whereas the most energetic (and hazardous) form of radiation is _______.
  • Which option correctly identifies the purpose of the Site Safety Plan (SSP) in hazmat incidents?
  • What is the purpose of Local Emergency Response Plan (LERP) in hazmat responses?
  • To develop an IAP, you need to:
  • What mode describes responders taking aggressive, direct action on the material, container, or process equipment involved in the incident?
  • Concentration increases over time until the leak stops or all of the product releases, then it decreases.
  • Which term describes characteristics of a material that do not involve its chemical nature?
  • Which release type is characterized by a quick, broad dispersion forming a hemispheric pattern?
  • Which term is used to determine vapor density?
  • Which items are included in CAN Reports?
  • Which zone is known as the exclusion zone?
  • Liquids that have low flash points and burn easily are designated as what?
  • Which standard provides ICS position-specific vest color codes?
  • Under ICS, who assumes Command of the incident?
  • Which mode is described as 'Defensive Mode (medium risk to responders)'?
  • Which term describes decon that is urgent, field expedient, and applied to direct exposure?
  • What is the instrument used to detect invisible and odorless gases?
  • On the pH scale, which statement correctly describes acids and bases?
  • What is it called when all of the material is released at one time, the concentration of gas or vapor in the cloud or plume decreases over time.
  • Which description best matches Predicting Potential Outcomes in situational awareness?
  • In incident termination, which responder is responsible for terminating the incident?
  • What term describes the weight of a given volume of pure vapor or gas compared to the weight of an equal volume of dry air at the same temperature?
  • What pH value is considered neutral (neither acidic nor basic)?
  • Which type of evidence is described as immediate, observable, and short-lived?
  • What are the functional sections of the General Staff?
  • Retention is defined as which action?
  • What are the four methods of gross removal (gross decon)?
  • What describes the force per unit area applied perpendicular to a surface?
  • What distinguishes Incident Critique from Postincident Analysis (PIA) according to the material?
  • Which process describes a liquid turning into a gas when heated to its boiling point?
  • Acute exposures are usually associated with _____ doses.
  • Damming is defined as which action?
  • Which term describes the pressure of a vapor in equilibrium with its liquid in a closed container?
  • What are the elements of the basic protection strategy in regards to protection from radiation?
  • Which three energy types contribute to container stress?
  • What is the SMART mnemonic used for the development of strategies?
  • How is gross decon accomplished?
  • What is the process by which a liquid becomes a gas at normal atmospheric pressure?
  • Which position is responsible for health and safety of responders and the incident scene?
  • Warm Zone is also known as what?
  • Biological hazards that cause disease are considered what?
  • How many elements make up the fire tetrahedron?
  • What describes the thickness or flowability of a liquid at a given temperature?
  • Which of the following teams is part of the Cold Zone according to the list?
  • A chemical hazard that causes temporary, sometimes severe, inflammation to the eyes, skin, or respiratory system.
  • What term describes a form of pressurized mist consisting of highly respirable, minute liquid or solid particles traveling at high speed?
  • When should an Incident Critique occur?
  • Diverting is defined as which action?
  • Which release pattern continues over time and increases concentration until release ends, then decreases?
  • Which zone is the decontamination corridor located?
  • What are the three components of the Reactivity Triangle?
  • What term describes the ability of two or more substances to mix with or dissolve into each other?
  • Alcohol, methanol, and MEK are what type of solvents?
  • ______ is responsible for the overall management of the incident's operational and support activities.
  • Which chemical hazard causes involuntary muscle contractions (convulsions)?
  • What unit is typically used to express particle size?
  • Emergency Decon is defined as which process?
  • A chemical hazard that causes an overreaction of the immune system (allergic reactions) in people or animals.
  • The level is beyond the capabilities of the first responders on the scene and may be beyond the capabilities of the first response agency/organization having jurisdiction. This level may require the services of a formal hazmat response team.
  • Which option is NOT a listed zone color?
  • Which statement is true about nonionizing and ionizing radiation?
  • Which release pattern occurs when all material is released in a moment and the cloud's concentration decreases over time?
  • Small amounts of radiation received over a long period of time.
  • What is the boiling point of a liquid at sea level?
  • Which of the following constitutes the three basic protections from radiation?
  • Gamma radiation is high-energy photons. Which type of radiation does this describe?
  • Which term describes the ability of a chemical to remain in the environment when unconfined?
  • During a transfer of command, what must the incoming IC do to confirm the transfer is official?
  • The highest concentration that will burn when an ignition source is present is called the Upper Explosive Limit (UEL) or Upper Flammable Limit (UFL).
  • What is the primary difference between gross decon and emergency decon?
  • At concentrations lower than the LEL, the mixture is often too ____ to burn.
  • Materials added to products that easily polymerize in order to control or prevent an undesired reaction.
  • These describe how a material behaves in relation to physical influences.
  • Two materials that do not readily dissolve into each other are called?
  • Which statement is true about vapor density relative to air?
  • Which of the following lists the five factors that may lead to loss of Situational Awareness?
  • The microorganisms that cause infectious diseases are collectively known as what?
  • What are the three Control Zones used to divide incident hazard and access?
  • This incident level is the least serious and the easiest to handle. Evacuation is limited to the immediate area.
  • What is the term for the transition of a solid directly into a gas?
  • Which chemical hazard causes irritation to eyes, skin, or respiratory system?
  • What is the device called that detects multiple gases, including invisible or odorless ones?
  • Which gases expand rapidly when released, potentially threatening large areas?
  • Which statement best describes the relationship between gross decon and emergency decon?
  • What property is defined as the ratio of the density of a material to that of a standard material?
  • Which pattern describes a pattern that rises as a cloud and is generally a round, ball-shaped mass?
  • Which term describes the process of understanding and forecasting what's happening during an incident?
  • The temperature at which vapors will sustain burning is known as what?
  • A ________ generally results from a rapid release of energy such as detonation, deflagration, and violent rupture.
  • The Incident Commander may delegate command authority to which command staff positions?
  • A product of complete combustion or organic materials.
  • The higher the temperature of a substance, the ____ its vapor pressure will be.
  • This refers to decon that is urgent and field expedient, applied to any person who has had direct exposure to contaminants.
  • Retention is defined as which action?
  • Which team is located in the Cold Zone?
  • Liquids with higher flash points that do not burn as easily are called what?
  • Diking is defined as which action?
  • The ______ _______ of a substance is the minimum temperature to which the fuel in air must be heated to self-sustained combustion without initiation from an independent ignition source.
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