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Question

1. Spill control tactics attempt to: (607)

A. spill hazardous materials in a carefully controlled manner.
B. remediate spilled hazardous materials from contaminated
exposures.
C. contain the product in its original container (or another) and
prevent it from escaping.
D. reduce the amount of contact the product makes with people,
property, and the environment.
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Question

2. Why should ICs consult technical sources before using equipment to
confine spilled materials? (607-608)

A. To determine how to correctly use a piece of equipment
B. To determine if a similar situation has occurred in the past
C. To determine if the spilled material will adversely affect the
equipment
D. To determine if the spilled material is able to be contained by
the equipment
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IFSTA HAZMAT

Chapter 13

QuestionAnswer
1. Spill control tactics attempt to: (607) A. spill hazardous materials in a carefully controlled manner. B. remediate spilled hazardous materials from contaminated exposures. C. contain the product in its original container (or another) and prevent it from escaping. D. reduce the amount of contact the product makes with people, property, and the environment. D. reduce the amount of contact the product makes with people, property, and the environment.
2. Why should ICs consult technical sources before using equipment to confine spilled materials? (607-608) A. To determine how to correctly use a piece of equipment B. To determine if a similar situation has occurred in the past C. To determine if the spilled material will adversely affect the equipment D. To determine if the spilled material is able to be contained by the equipment C. To determine if the spilled material will adversely affect the equipment
3. A defensive spill-control tactic that confines a hazardous material, rather than changing its physical and/or chemical properties, is: (609) A. ventilation. B. dissolution. C. absorption. D. neutralization. C. absorption.
4. Neutralization and vapor dispersion are: (609) A. offensive spill-control tactics aimed at stopping the release of a hazardous material. B. defensive spill-control tactics aimed at confining spilled hazardous materials. C. offensive spill-control tactics aimed at confining spilled hazardous materials. D. defensive spill-control tactics aimed at reducing the amount of harm a material causes. D. defensive spill-control tactics aimed at reducing the amount of harm a material causes.
5. Why must responders treat and dispose of absorbents as hazardous materials? (612) A. Absorbents themselves are hazardous materials. B. Absorbents undergo violent chemical reactions after use. C. Absorbents may be toxic if exposed to too much oxygen. D. Absorbents retain the properties of the materials they absorb. D. Absorbents retain the properties of the materials they absorb.
6. During the process of adsorption, the molecules of the liquid hazardous material: (612) A. physically adhere to the adsorbent material rather than being absorbed into its inner spaces. B. chemically adhere to the adsorbent material rather than being absorbed into its inner spaces. C. chemically adhere to the absorbent material rather than being adsorbed into its inner spaces. D. physically adhere to the absorbent material rather than being adsorbed into its inner spaces. B. chemically adhere to the adsorbent material rather than being absorbed into its inner spaces.
7. Responders usually use organic-based materials, such as activated charcoal or carbon, as: (612) A. adsorbents. B. absorbents. C. neutralizers. D. vapor suppressants. A. adsorbents.
8. Which process might be used for the temporary mitigation of radioactive and biological substances? (613) A. Dilution B. Absorption C. Adsorption D. Blanketing/covering D. Blanketing/covering
9. Diking, damming, diverting, and retention: (614) A. reduce the emission of vapors at a hazmat incident. B. control air movement using natural or mechanical means. C. reduce the potential risks of liquid hazardous materials by dilution. D. control the flow of liquid hazardous materials away from the point of discharge. D. control the flow of liquid hazardous materials away from the point of discharge.
10. To reduce the emission of vapors at a hazmat incident, responders should use: (614) A. adsorption. B. ventilation. C. vapor dispersion. D. vapor suppression. D. vapor suppression.
11. What must responders do after using water streams for vapor dispersion? (614) A. Neutralize the corrosive contaminants in runoff water. B. Confine and analyze runoff water for possible contamination. C. Dispose of equipment as though it were a hazardous material. D. Use chemical vapor suppressants to confine remaining vapors. B. Confine and analyze runoff water for possible contamination.
12. When choosing the type of ventilation to use, remember that: (616) A. zero-pressure ventilation removes atmospheric contaminants more effectively than positive-pressure ventilation. B. neutral-pressure ventilation removes atmospheric contaminants more effectively than positive-pressure ventilation. C. positive-pressure ventilation removes atmospheric contaminants more effectively than negative-pressure ventilation. C. positive-pressure ventilation removes atmospheric contaminants more effectively than negative-pressure ventilation.
13. One problem associated with dispersion is that it can: (616) A. only control small, shallow liquid spills. B. spread a hazardous material over a wide area. C. only be accomplished by creating a foam blanket. D. not be used on hydrocarbon spills such as oceanic crude oil. B. spread a hazardous material over a wide area.
14. Which action rarely has practical applications at hazmat incidents in terms of spill control? (617) A. Dilution B. Adsorption C. Neutralization D. Vapor Suppression A. Dilution
15. Responders use dilution more frequently when dealing with: (617) A. corrosive vapor. B. terrorist attacks. C. hydrocarbon spills. D. decontamination operations. D. decontamination operations.
16. Which method of spill control involves raising or lowering the pH of corrosive materials? (618) A. Dilution B. Neutralization C. Vapor suppression D. Blanketing/covering B. Neutralization
17. To stop or limit the escape or to contain the release of a product either in its original container or by transferring it to a new one is the goal of: (618) A. fire control. B. spill control. C. leak control. D. dilution control. C. leak control.
18. Provided they have appropriate training, equipment, and PPE, Operations level responders can take offensive actions, like leak control, in situations involving: (618) A. chlorine. B. anhydrous ammonia. C. radioactive materials. D. gasoline and natural gas fuels. D. gasoline and natural gas fuels.
19. Which type of cargo tank truck does NOT typically have emergency shutoff devices? (619) A. High pressure tanks B. Corrosive liquid tanks C. Nonpressure liquid tanks D. Low-pressure chemical tanks B. Corrosive liquid tanks
20. At a fixed facility or at a pipeline, responders should NOT shut any valves without direction from: (622) A. law enforcement. B. federal authorities. C. the owner of the facility. D. facility or pipeline operators. D. facility or pipeline operators.
21. If the products of combustion present fewer hazards than the leaking chemical, the best course of action may be to: (623) A. attempt to extinguish the fire immediately. B. dilute the chemical by applying copious amounts of water. C. contain the release of the chemical in its original container. D. protect exposure and let a fire burn until the fuel is consumed. D. protect exposure and let a fire burn until the fuel is consumed.
22. When might withdrawal be the safest tactical option for responders? (623-624) A. After terrorist or criminal incidents B. At incidents involving liquid natural gas C. At any incident involving cryogenic liquids D. When there is potential for a BLEVE or other explosion D. When there is potential for a BLEVE or other explosion
23. Why should responders avoid contact with flammable or combustible products? (624) A. Protective clothing may not be able to withstand the effects of these products. B. Protective clothing can ignite puddles, streams, or contaminated pools of these products. C. Protective clothing may not be able to withstand the corrosive effects of these products. D. Protective clothing can absorb these products and ignite if exposed to an ignition source. D. Protective clothing can absorb these products and ignite if exposed to an ignition source.
24. What is true of Class B foam concentrates? (626) A. Class B foams are ineffective when used for vapor suppression. B. Aqueous film forming foam (AFFF) is used on water-miscible materials. C. Foam concentrates that are intended for polar solvents can be used on hydrocarbon fires. D. Concentrates designed for hydrocarbon fires will be equally effective on polar solvent fires. C. Foam concentrates that are intended for polar solvents can be used on hydrocarbon fires.
25. In general, the application rate to control an unignited liquid spill is _____ than that required to extinguish a spill fire. (630) A. slightly less B. slightly more C. substantially less D. substantially more C. substantially less
26. Why should responders use air-aspirating nozzles rather than water fog nozzles for vapor suppression? (630) A. Aerated foam can be applied in smaller quantities. B. Water fog nozzles are incapable of vapor suppression. C. Water fog nozzles can only be used on flammable liquid fires. D. Aerated foam maintains the vapor suppressive blanket longer. D. Aerated foam maintains the vapor suppressive blanket longer.
27. Foam cannot seal vapors of: (631) A. boiling liquids. B. cryogenic liquids. C. pressurized liquids. D. alcohol-type liquids. A. boiling liquids.
28. The most common cause of a BLEVE is when: (635) A. flames from inside the container cause the tank shell and the liquid to overheat. B. flames surround the tank shell and the shell itself and the liquid become overheated. C. flames contact the tank shell above the liquid level and the tank shell itself has overheated. D. flames contact the tank shell below the liquid level and the liquid itself has overheated. C. flames contact the tank shell above the liquid level and the tank shell itself has overheated.
29. How can water be used in flammable and combustible liquid fire control? (636) A. It can be used as a cooling agent. B. It can be used as an extinguishing agent. C. It can be used for dilution of toxic materials. D. It can only be used for hydration of responders. A. It can be used as a cooling agent.
30. When using water streams to disperse gas being released under pressure, the ______ of the water streams must exceed that of the escaping gas. (636) A. speed and height B. mass and velocity C. weight and height D. surface area and speed B. mass and velocity
31. What may indicate that the pressure within a container is increasing and that container failure may be imminent? (636) A. A decrease in the intensity of sounds B. A decrease in the temperature of the container’s shell C. An increase in the intensity of sounds or fire issuing from a relief valve D. A decrease in the temperature of the container and failure of the emergency shutoff device C. An increase in the intensity of sounds or fire issuing from a relief valve
32. At an incident involving a break in an underground pipe, personnel should first evacuate the area immediately around the break and the area: (637) A. upwind. B. to the left. C. downwind. D. to the right. C. downwind.
Created by: Toddgfunk
 

 



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