Hazmat Operations Test Exam With 100% Correct Answers, Exams of Advanced Education

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Hazmat Operations Test Exam With 100%

Correct Answers 2023

Adsorption is the process of: - Correct Answer-Adhering the contaminant to a surface A tank carrier designed to haul various chemicals whose pressures are less than 40 PSI would be a: - Correct Answer-MC 306/DOT 406 The immediate concern when dealing with combustible liquid spills is to: - Correct Answer-Prevent ignition of the fuel The highest level of respiratory protection is needed but lesser chemical protection is required for the skin best describes _______ protection. - Correct Answer-Level B Chemical Transportation Emergency Center (CHEMTREC) is able to provide assistance to responders if: - Correct Answer-The name of the shipper and manufacturer is known Determining whether a vapor will rise or fall is commonly referred to as: - Correct Answer-Vapor Density The maximum hose length allowed by NIOSH when using an airline hose respirator is ______ feet. - Correct Answer- If a product with a vapor density of 1.6 escaped from its container, you would expect the product to: - Correct Answer-Collect in low-lying areas Which resources are available for determining the concentrations of a released hazardous material in an endangered area? - Correct Answer-Monitoring equipment should be utilized, keeping in mind that Haz-Mat technicians are needed to operate this equipment. Chemicals that ignite when combined create a(n) __________ reaction. - Correct Answer-Exothermic The eight-step process recommended for assessing a hazardous materials incident includes: - Correct Answer-Hazard and Risk evaluation What would be the likely result of allowing a contaminated individual to leave the hot zone without being decontaminated? - Correct Answer-The contaminates would likely be transferred to other personal and equipment resulting in secondary contamination. When dealing with a Level III incident, it is expected that evacuation of people will cover an area of. - Correct Answer-Large scale evacuation.

The minimum temperature to which a fuel in air must be heated to initiate self-sustained combustion without initiation from an independent ignition source is best described as: - Correct Answer-Auto-ignition Temperature Which DOT Hazard Class covers nerve agents used in chemical warfare? - Correct Answer-DOT 6. At a hazardous materials incident, the assistant safety officer directly reports to the: - Correct Answer-Safety Officer Symptoms of heat ______ include little or no sweating; hot, dry, red skin, deep then shallow breathing; and rapid pulse. - Correct Answer-Stroke To protect against radiological exposures a responder should: - Correct Answer-Limit the time spent in a radiation hazard area A person who is repeatedly exposed to a chemical over a long period of time may develop - Correct Answer-Chronic health hazard The first step or most important thing to accomplish upon arrival at a hazardous materials or suspected hazardous materials incident is: - Correct Answer-Isolation of the area and prevention of entry Control of the scene begins by isolating the site. The process for establishing initial isolation distances can be found: - Correct Answer-In the Emergency Response Guidebook (ERG) Beta particles can be described as: - Correct Answer-Ionizing radiation like x-rays What type of container is used to ship materials of radioactivity by air? - Correct Answer-Type A The amount of an ingested substance that results in the death of 50 percent of the test population best defines: - Correct Answer-LD An MC 307/DOT 407 low-pressure chemical carrier is designed to carry chemicals with pressures not to exceed _______ psi. - Correct Answer-35- caustic sodium hydroxide and potassium hydroxide are examples of: - Correct Answer- Bases The temperature at which a liquid changes to a gas is best described as: - Correct Answer-The Boiling Point

The process by which a chemical enter a protective suit through openings in the garment best describes: - Correct Answer-Penetration The highest level of respiratory protection is needed but lesser chemical protection is required for the skin best defines Environmental Protection Agency _______ Protection

• Correct Answer-Level B when sheltering people in place, the citizens should be directed to: - Correct Answer- Close all heating, ventilation, and air-conditioning systems The remote shut off valve on a MC 306/DOT 406 will be located at the: - Correct Answer-Left Front Corner Cracking, charring, and discoloration are examples of ___________ to a chemical garment. - Correct Answer-Degradation A Level A suit will protect the responder from ill effects from: - Correct Answer-All hazardous materials Vapor Pressure of a substance at 100F - Correct Answer-Will be lwer than the same substance at 68F what single item makes a level B ensemble different from the lower levels of PPE? - Correct Answer-Self-contained Breathing Apparatus ___________ interfere with oxygen exchange during normal respiration. - Correct Answer-Asphyxiants One of the most common products of combustion encountered in structure fires is: - Correct Answer-Carbon Monoxides (CO) MC 312/DOT 412 - Correct Answer- A liquid carrier has an elliptical shape. What is the name of said carrier? - Correct Answer-MC 306/DOT 406 When using air-purifying respirators, which of the following is not an operational component that should be considered prior to use? - Correct Answer-The supplied air line cannot exceed 300ft In Level I incidents, the response team should be able to deal with: - Correct Answer-A small gasoline spill from a motor vehicle accident CHEMTREC/CANUTEC can usually provide: - Correct Answer-Technical information Permeation can be described as: - Correct Answer-Occurring on a molecular level

A _________ tank has an inner tank with an outer shall and is well insulated. - Correct Answer-Cryogenic Penetration can be described as: - Correct Answer-Movement of material through closures While enroute to an emergency incident, dispatch informs you that callers are reporting a tank leaking an unknown liquid. Dispatch also informs you that witnesses report seeing a marking of "Spec. 51" on the side of the tank. Which of the following types of containers would you expect to find on arrival at the incident? - Correct Answer- Intermodal Portable Tank Specialized intermodal tank container which carries refrigerated liquid asses, oxygen, or helium would be an example of: - Correct Answer-Cryogenic Intermodal Tanks/IM Type 7 The ___________ of a chemical is its ability to remain in the environment. - Correct Answer-Persistence When responding to a potential hazardous material incident, the safest way to approuch the scene is to: - Correct Answer-Approach from uphill and upwind, even if it requires a longer response time. Two complicating factors facing emergency responders at a terrorist incident are: - Correct Answer-Crime scene considerations and possible secondary events. Common hazardous materials stored in nonbulk packages, referred to as bags, are: - Correct Answer-Fertilizers Toxic gases, blood agents, such as Arsine and cyanogen chloride, would fall under which UN/DOT hazard class and division? - Correct Answer-2. Removal of contaminated victims that are in need of medical treatment from the hazard area requires: - Correct Answer-The Emergency Decontamination Process The highest level of protection, based on Environmental Protection Agency (EPA) guidelines, from hazardous chemicals provided by chemical protective clothing is: - Correct Answer-Level A Cryogenic liquids are those that exist at: - Correct Answer-130F (150F?) The products that IM 101 intermodal portable tanks typically carry are: - Correct Answer-Flammable Liquids

Heat __________ occurs when the circulatory system begins to fail, resulting in rapid, shallow breathing and cool, clammy skin. - Correct Answer-Exhaustion when the safety officer notices a critical emergency condition at an incident, they should

• Correct Answer-Intervene in the unsafe action The active ingredients on a pesticide label will be: - Correct Answer-Listed by name _________ materials may cause server chemical burns and extensive tissue damage upon contact. - Correct Answer-Corrosive The individual responsible for developing the overall plan, organizational structure and allocation of resources best describes the: - Correct Answer-Incident Commander (IC) A vapor-tight suit which resists permeation by most chemicals is known as a: - Correct Answer-Level A What is the minimum level of training needed to don chemical protective clothing? - Correct Answer-Haz Mat Operations Another technique for reducing or controlling pressure and/or disposing of the contents is called: - Correct Answer-Flaring What is some mandatory information found on a pesticide label? - Correct Answer-EPA Registration Number These trailers contain several pressurized vessels ranging from 3000 to 6000 PSI piping and are known as: - Correct Answer-Compressed Gas Tube Trailers ________________ is the most commonly used method of decontaminating personnel.
• Correct Answer-Dilution/Washing heat stress is associated with: - Correct Answer-Muscle cramps in legs and abdomen Actions taken to confine a product release to a limited area, performed remotely, are considered to be: - Correct Answer-Defensive Strategies Structural Firefighting gear with a self-contained breathing apparatus will protect responders from: - Correct Answer-Beta Particles What type of PPE is most commonly used when dealing with a biological incident? - Correct Answer-Vapor Protection Clothing Procedure for wearing vapor protective clothing: - Correct Answer-Remain isolated until deconned

A cryogenic liquid tank will have: - Correct Answer-a double shell with insulation The proper cargo tank truck to carry a shipment of sulfuric acid is a: - Correct Answer- MC 312/DOT 412 The products that IM 102 intermodal portable tanks typically carry are: - Correct Answer-Nonregulated Materials If a rail car had a cylindrical tank and a covered dome containing all the fittings and valves, it would be classified as a ____ rail car. - Correct Answer-Pressure Tank Which statement is true regarding vapor density? - Correct Answer-The runoff may need to be contained What is a physical limitation of personnel working in a positive pressure SCBA? - Correct Answer-Physical Condition _______ is the controlled burning of a liquid or gas to reduce and/or control the pressure and/or control the product - Correct Answer-Flaring Minimum Level of protection required when dealing with an unknown substance: - Correct Answer-Positive Pressure SCBAdir An advantage of confinement operations is that: - Correct Answer-Direct exposure of personnel is avoided. A vest where cooling agent is circulated - Correct Answer-Water Cooled Hazard Class 3 includes: - Correct Answer-Gasoline A rail car with a stenciled name on its side is generally a: - Correct Answer-Dedicated car What personal protective equipment would you use for a material that had a LC50 of 5 mg/kg, high vapor pressure, dermally toxic? - Correct Answer-Level A Vapors that attack the mucous membranes, such as the surfaces of the eyes, nose, and throat, are considered: - Correct Answer-Asphyxiates in order to safely estimate the chemical resistance of a particular garment, manufacturers supply - Correct Answer-Compatibility Charts A specialized intermodal tank container that transports high pressure cylinders - Correct Answer-