HAZMAT Operations, TOP Exam questions & Answers, 100% Accurate.

HAZMAT Operations, TOP Exam questions & Answers, 100% Accurate. What NFPA covers Operations Level Responders? - -NFPA 1072 What are the 4 things Operations Level Responders shall be able to do? - -1. Identify (Analyze) 2. Plan 3. Implement 4. Evaluate What type of reports are updated during the Evaluate process? - -Progress Reports When can Operations Level responders tasks above their training? - -When using either written or under direct guidance What are the physical properties characteristics? - -Characteristics of a material that do not involve the chemistry or chemical natures of the material What does physical properties describe? - -How a material behaves in relation to physical influences or how materials when mixed with another material What are the physical properties that a material can be characterized by? - -1. Vapor Pressure 2. Boiling Point 3. Melting Point/ Freezing Point/ Sublimation 4. Vapor Density 5. Solubility/ Miscibility 6. Specific Gravity 7. Persistence 8. Appearance and color What is chemical properties? - -They describe the chemical natures of a material and the behaviors and interactions that occur at a molecular level What are some chemical properties we are concerned with? - -1. Flammability 2. Corrosivity 3. Reactivity 4. Radioactivity What is Boiling Point? - -Temperature of a substance when the vapor pressure exceeds atmospheric pressure and the liquid turns into a gas at the surface What is chemical reactivity? - -The ability of a material to undergo a chemical change. The susceptibility of the material to release energy by itself or in combination with other materials What is corrosivity? - -A measure of a substance's tendency to deteriorate in the presence of another substance or in a particular environment What pH levels are acidic? - -pH values less than 7 What is neutral? - -pH value equal to 7 What is base? - -pH value above 7 What pH level is considered a strong acid? - -pH values equal to or less than 2.0 What pH level is considered a strong base? - -pH values equal to or greater than 12.5 What is Flammable (Explosive )Range? - -The difference between the upper and lower flammable limits What is Lower Explosive Range (LEL)? - -The minimum concentration of vapor to air below which a flame will not propagate in the presence of an ignition " Too Lean to Burn" What is Upper Explosive Range (UEL)? - -The maximum vapor to air concentration above which a flame will not propagate in the presence of an ignition source "Too Rich to Burn" What is Flash Point? - -The temperature at which a liquid will give off sufficient vapors that will ignite readily given an ignition source What is ignition temperature/ autoignition temperature? - -The minimum temperature required to cause self-sustained combustion in the absence of any source of ignition What is particle size? - -Refers to solids, and is expressed in microns or percent passing through a meshed screen What is persistence? - -Refers to the materials ability to stay within the area of release for a long periods of time What are the 3 physical states of a material? - -1. Solid 2. Liquid 3. Gas What are the 4 types of Ionizing Radiation? - -1. Alpha 2. Beta 3. Gamma 4. Neutron What is the definition of Ionizing Radiation? - -Consists of particles or high-energy rays What type of Ionizing Radiation is not commonly encountered in transportation situations? - -Neutron Radiation What are some types of Non-Ionizing Radiation? - -1. Ultraviolet 2. Visible Light 3. Sound Waves 4. Magnetic Fields What are some significant impacts of Non-Ionizing Radiation? - -1. Ultraviolet radiation exposure causes sunburn 2. Causes genetic damage to skin cells and result in skin cancer 3. Beyond the control of hazardous materials/WMD responders What is Specific Gravity? - -Ratio of the weight of a liquid or solid as compared to an equal amount of water. What is the Specific Gravity of Water? - -1.0 What are some problems with Toxic Products of Combustion? - -1. Combustion may alter the original products 2. Smoke, steam, and runoff from fire and firefighting operations may contaminate a larger area What is Vapor Density? - -Ratio of the weight of a vapor as compared to air What is the Vapor Density of Air? - -1.0 What is Vapor Pressure? - -The pressure at any given temperature at which the vapor and liquid phases of the substance are in equilibrium in a closed container.