Fire Inspector I Study Guide V

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  • 1/94 Questions

    Explosions of flammable vapor-air mixtures usually occur in a confined space such as a building, room or container.

    • True
    • False
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About This Quiz

This Fire Inspector I Study Guide V focuses on understanding MSDS sections, crucial for safety and compliance in hazardous materials management. It assesses knowledge on reactivity, hazardous ingredients, and safety precautions, enhancing skills for professionals in fire safety and inspection.

Fire Inspector I Study Guide V - Quiz

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  • 2. 

    Ratio of a liquid's weight to the weight of an equal volume of water.

    • Flash point

    • Specific gravity

    • Boiling point

    • Fire point

    Correct Answer
    A. Specific gravity
    Explanation
    Specific gravity is the ratio of a liquid's weight to the weight of an equal volume of water. It is a measure of the density of a substance relative to the density of water. Specific gravity is commonly used in various industries to determine the purity or concentration of a substance, as well as to compare the densities of different liquids. It is a useful parameter for understanding the behavior and characteristics of liquids, especially in fields such as chemistry, physics, and engineering.

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  • 3. 

    What is the principle hazard associated with corrosives?

    • Leakage

    • Explosion

    • Fire

    • Smoke damage

    Correct Answer
    A. Leakage
    Explanation
    Corrosives are substances that have the potential to cause damage or destruction to materials they come into contact with. The principle hazard associated with corrosives is leakage. When corrosive substances leak, they can cause harm to people, property, and the environment. This can include burns, destruction of equipment, and contamination of soil and water sources. Proper handling, storage, and containment of corrosives are essential to prevent leakage and minimize the risk of accidents and damage.

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  • 4. 

    The best source for information on a specific hazardous material is the MSDS.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The Material Safety Data Sheet (MSDS) is a comprehensive document that provides detailed information about hazardous materials, including their physical and chemical properties, potential hazards, safe handling procedures, and emergency response measures. It is considered the best source of information because it is required by law for manufacturers and distributors to provide accurate and up-to-date information about hazardous materials. The MSDS helps individuals and organizations understand the risks associated with a specific hazardous material and take appropriate precautions to ensure safety. Therefore, the statement that the MSDS is the best source for information on a specific hazardous material is true.

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  • 5. 

    Local jurisdictions may enact regulations in addition to federal requirements for transporting compressed and liquefied gases.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Local jurisdictions have the authority to impose additional regulations on top of the federal requirements for transporting compressed and liquefied gases. This means that even if a company or individual complies with the federal regulations, they may still need to adhere to additional rules set by the local government where they are operating. Therefore, it is true that local jurisdictions may enact regulations in addition to federal requirements for transporting compressed and liquefied gases.

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  • 6. 

    Flash points determined by the open-cup method are approximately 10 degree F to 15 degrees F higher than those determined by the closed-cup method.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Flash points are determined to measure the temperature at which a liquid can produce enough vapor to ignite when exposed to an open flame. The open-cup method involves heating the liquid in an open container, while the closed-cup method involves heating the liquid in a closed container with a small opening. The closed cup restricts the release of vapor, resulting in a lower flash point compared to the open cup. Therefore, it is true that flash points determined by the open-cup method are approximately 10-15 degrees F higher than those determined by the closed-cup method.

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  • 7. 

    Which of the following storage tank types is designed for pressures 0.5 to 15 psi?

    • High pressure

    • Low pressure

    • Medium pressure

    • Atmosphere

    Correct Answer
    A. Low pressure
    Explanation
    The correct answer is "low pressure" because this type of storage tank is specifically designed to hold substances under pressures ranging from 0.5 to 15 psi. It is built to withstand lower levels of pressure compared to high pressure or medium pressure tanks. The low pressure tank is suitable for storing materials that do not require high levels of pressure containment, making it a safer and more cost-effective option for certain applications.

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  • 8. 

    Which of the following materials is suitable for aboveground storage tanks?

    • Steel

    • PVC

    • Aluminum

    • Ceramic

    Correct Answer
    A. Steel
    Explanation
    Steel is a suitable material for aboveground storage tanks because it is strong, durable, and resistant to corrosion. It can withstand harsh environmental conditions and is capable of holding large volumes of liquids or gases. Steel tanks are also relatively cost-effective and can be easily maintained and repaired. Additionally, steel is a widely used material in the construction industry, making it readily available and easily customizable for tank designs.

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  • 9. 

    The concentration of a given toxic material that generally may be tolerated without ill effects.

    • Toxic or highly toxic materials

    • Gamma radiation

    • Threshold limit value

    • Chronic toxicity

    Correct Answer
    A. Threshold limit value
    Explanation
    The threshold limit value refers to the concentration of a toxic material that can generally be tolerated without causing any harmful effects. This value is determined based on extensive research and studies to ensure the safety of individuals exposed to toxic substances. It serves as a guideline for setting permissible exposure limits in occupational settings and helps in preventing acute or chronic health effects caused by exposure to toxic materials.

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  • 10. 

    Inspectors generally do not have the authority to ask to see verification that employees are adequately trained to work with toxic materials.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Inspectors generally do not have the authority to ask to see verification that employees are adequately trained to work with toxic materials. This means that inspectors do have the authority to ask for proof of employee training in handling toxic materials.

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  • 11. 

    Which of the following statements about oxidizers is correct?

    • Liquid or slurry form oxidizers are shipped in aluminum tank trucks

    • Organic peroxides may be shipped in unlimited quantities

    • When exposed to heat, oxidizers decompose, releasing oxygen that accelerates a fire

    • Hydrogen peroxide solutions may be shipped in tank cars made in stainless steel

    Correct Answer
    A. When exposed to heat, oxidizers decompose, releasing oxygen that accelerates a fire
    Explanation
    When exposed to heat, oxidizers decompose, releasing oxygen that accelerates a fire. This means that oxidizers, when heated, break down and release oxygen, which can fuel and intensify a fire. This statement highlights the dangerous nature of oxidizers and their potential to exacerbate fires.

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  • 12. 

    Section classes on an MSDS - Precautions for safe handling and use

    Correct Answer
    Section VII
  • 13. 

    Section classes on an MSDS - Physical and chemical characteristics

    Correct Answer
    Section III
    Explanation
    The given correct answer, "Section III," suggests that the physical and chemical characteristics of a substance are typically covered in this section of an MSDS (Material Safety Data Sheet). This section provides important information about the substance's appearance, odor, boiling point, melting point, solubility, and other relevant properties. It helps users understand the substance's behavior and potential hazards, allowing them to handle it safely.

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  • 14. 

    Loading and unlocading stations for Class I liquids should be no closer than 25 feet from property lines or adjacent buildings.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because according to safety regulations, loading and unloading stations for Class I liquids must be at least 25 feet away from property lines or adjacent buildings. This distance helps to minimize the risk of fire or explosion in case of any accidents or leaks during the loading or unloading process. By keeping a safe distance, potential hazards can be contained and the safety of nearby properties and buildings can be ensured.

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  • 15. 

    Liquids, solids, or gases that even in small quantities and without an external ignition source can ignite within five minutes after coming into contact with air.

    • Toxic or highly toxic materials

    • Gamma radiation

    • Roentgen

    • Pyrophoric materials

    Correct Answer
    A. Pyrophoric materials
    Explanation
    Pyrophoric materials refer to substances that have the ability to ignite spontaneously upon contact with air, even in small quantities and without the need for an external ignition source. This means that they can catch fire within five minutes of exposure to air. The given answer, "pyrophoric materials," accurately describes this property and aligns with the information provided in the question.

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  • 16. 

    Substances capable of producing serious illness or death once they enter the bloodstream.

    • Pyrophoric materials

    • Toxic or highly toxic materials

    • Gamma radiation

    • Threshold limit value

    Correct Answer
    A. Toxic or highly toxic materials
    Explanation
    Toxic or highly toxic materials are substances that can cause serious illness or death when they enter the bloodstream. These substances have a high level of toxicity and can have severe health effects on humans or animals. They may cause damage to organs, disrupt bodily functions, or interfere with the body's natural processes. It is important to handle and dispose of these materials with extreme caution to prevent any harm to individuals or the environment.

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  • 17. 

    Radiation that can only lead or concrete can stop

    • Beta radiation

    • Gamma radiation

    • Toxic or highly toxic materials

    • Threshold limit value

    Correct Answer
    A. Gamma radiation
    Explanation
    Gamma radiation is a type of radiation that consists of high-energy photons. Unlike beta radiation, which consists of high-speed electrons, gamma radiation is highly penetrating and can only be stopped by dense materials such as lead or concrete. This is because gamma rays have a higher energy and shorter wavelength, allowing them to easily pass through less dense materials. Therefore, gamma radiation is the correct answer as it is the only type of radiation mentioned that can be stopped by lead or concrete.

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  • 18. 

    According to ____, the volume of a confined gas varies inversely with the applied pressure.

    • Boyle's Law

    • Lane's Law

    • Charles' Law

    • Taylor's Law

    Correct Answer
    A. Boyle's Law
    Explanation
    Boyle's Law states that the volume of a confined gas varies inversely with the applied pressure. This means that as the pressure on a gas increases, the volume decreases, and vice versa. This law was discovered by Robert Boyle in the 17th century and is one of the fundamental principles of gas behavior. It helps explain the relationship between pressure and volume in gases and is commonly used in various scientific and engineering applications.

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  • 19. 

    What does the number 4 signify in the NFPA 704 system?

    • No hazard

    • Low hazard

    • Moderate hazard

    • Severe hazard

    Correct Answer
    A. Severe hazard
    Explanation
    The number 4 in the NFPA 704 system signifies a severe hazard. This means that the substance or material associated with this number poses a high level of danger, potentially causing serious harm or damage. It is important to handle and manage substances with this classification with extreme caution to minimize risks and ensure safety.

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  • 20. 

    Radiation that a fairly thin layer of metal or plastic can stop

    • Threshold limit value

    • Gamma radiation

    • Beta radiation

    • Dangerous when wet materials

    Correct Answer
    A. Beta radiation
    Explanation
    Beta radiation refers to the emission of high-energy electrons or positrons from the nucleus of an atom. Unlike gamma radiation, which consists of high-energy photons, beta radiation can be stopped by a fairly thin layer of metal or plastic. This is because the electrons or positrons in beta radiation have a smaller mass and are more easily absorbed by materials. Therefore, beta radiation is less penetrating and can be effectively shielded by materials such as metal or plastic.

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  • 21. 

    Gases with a vapor density greater than 1.0 will rise and concentrate near the ceiling.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Gases with a vapor density greater than 1.0 will not rise and concentrate near the ceiling. Instead, they will sink and accumulate near the floor or lower areas due to their higher density compared to the surrounding air.

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  • 22. 

    Effects of a substance upon repeated exposures over a long time

    • Toxic or highly toxic materials

    • Gamma radiation

    • Chronic toxicity

    • Threshold limit value

    Correct Answer
    A. Chronic toxicity
    Explanation
    Chronic toxicity refers to the harmful effects that a substance can have on an organism when it is exposed to the substance repeatedly over a long period of time. This can occur with toxic or highly toxic materials, such as gamma radiation. Chronic toxicity is different from acute toxicity, which refers to the immediate harmful effects of a substance. The threshold limit value is a guideline that defines the maximum concentration of a substance that is considered safe for continuous exposure over a specified period of time.

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  • 23. 

    In normal storage and transport states, explosives are extremely unstable and unsafe to handle.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Explosives are indeed unstable and unsafe to handle. Therefore, the given statement is incorrect.

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  • 24. 

    Substances that have the potential to self-heat when in contact with air and without an energy supply

    • Chronic toxicity

    • Corrosives

    • Beta radiation

    • Self heating materials

    Correct Answer
    A. Self heating materials
    Explanation
    Self-heating materials are substances that can generate heat when exposed to air without the need for an external energy source. This phenomenon occurs due to exothermic reactions or oxidation processes within the material. These materials can pose a fire hazard if not properly handled or stored, as the heat generated can potentially ignite surrounding flammable substances. Therefore, self-heating materials should be handled with caution to prevent accidents and ensure safety.

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  • 25. 

    Measurement of radiation doses

    • Roentgen

    • Threshold limit value

    • Gamma radiation

    • Beta radiation

    Correct Answer
    A. Roentgen
    Explanation
    Roentgen is a unit used to measure the amount of ionizing radiation in the air. It quantifies the amount of radiation that is capable of ionizing air molecules and is commonly used in medical and industrial settings to assess radiation exposure. The other terms mentioned, such as threshold limit value, gamma radiation, and beta radiation, are related to radiation but do not specifically refer to the measurement of radiation doses.

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  • 26. 

    Minimum temperature at which a liquid fuel gives off sufficient vapors to form an ignitable mixutre with the air near the surface

    • Flash point

    • Specific gravity

    • Flammable & explosive limits

    • Fire point

    Correct Answer
    A. Flash point
    Explanation
    The flash point is the minimum temperature at which a liquid fuel releases enough vapors to create a flammable mixture with the air near its surface. This temperature is crucial because it determines the potential for ignition and combustion. If the temperature is below the flash point, the fuel will not produce enough vapors to ignite. However, if the temperature exceeds the flash point, the fuel will release sufficient vapors to form an ignitable mixture, increasing the risk of fire or explosion. Therefore, understanding the flash point is essential for handling and storing flammable liquids safely.

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  • 27. 

    Temperature at which a liquid fuel, once ignited, will continue to burn

    • Fire point

    • Autoignition temperature

    • Flammable liquids

    • Boiling point

    Correct Answer
    A. Fire point
    Explanation
    The fire point is the temperature at which a liquid fuel, once ignited, will continue to burn. This means that even if the ignition source is removed, the fuel will sustain the fire. It is an important parameter to consider for safety purposes, as it indicates the temperature at which a fire can be sustained without an external ignition source. Unlike the autoignition temperature, which is the temperature at which a fuel can ignite spontaneously without an external ignition source, the fire point requires an initial ignition source but can sustain the fire afterwards.

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  • 28. 

    Liquids having a flash point at or above 100 degrees F

    • Flash point

    • Boiling point

    • Combustible liquids

    • Flammable liquids

    Correct Answer
    A. Combustible liquids
    Explanation
    Combustible liquids are substances that have a flash point above 100 degrees F. Flash point refers to the lowest temperature at which a liquid can produce enough vapor to ignite in the presence of an ignition source. Liquids with a flash point at or above 100 degrees F are considered combustible, meaning they have a lower risk of catching fire compared to flammable liquids, which have a lower flash point. Therefore, the correct answer is combustible liquids.

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  • 29. 

    What color indicates health hazard ratings in the NFPA 704 system?

    • Red

    • Blue

    • Yellow

    • White

    Correct Answer
    A. Blue
    Explanation
    In the NFPA 704 system, the color blue is used to indicate health hazard ratings. This system is a standard for labeling hazardous materials and is used to quickly convey information about the hazards associated with a particular substance. The blue color specifically represents the health hazard rating, which assesses the potential health effects that the material may have on individuals who come into contact with it.

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  • 30. 

    Temperature at which a fuel will ignite independent of another ignition source

    • Flash point

    • Specific gravity

    • Autoignition temperature

    • Piloted ignition

    Correct Answer
    A. Autoignition temperature
    Explanation
    The autoignition temperature refers to the minimum temperature at which a fuel can ignite spontaneously without the need for an external ignition source, such as a spark or flame. It is a crucial parameter in determining the safety and handling of fuels, as it indicates the potential for self-ignition.

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  • 31. 

    Which section of an MSDS includes emergency and first aid procedures?

    • Precautions for safe handling and use

    • Hazardous ingredients

    • Health hazard data

    • Physical and chemical characteristics

    Correct Answer
    A. Health hazard data
    Explanation
    The section of an MSDS that includes emergency and first aid procedures is the health hazard data section. This section provides information on the potential health hazards associated with the product and outlines the necessary steps to be taken in case of an emergency or injury. It may include information on symptoms, treatment, and recommended first aid measures.

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  • 32. 

    Liquids having a flash point below 100 degrees F - and a vapor pressure not exceeding 40 psi.

    • Boiling point

    • Specific gravity

    • Flammable & explosive limits

    • Flammable liquids

    Correct Answer
    A. Flammable liquids
    Explanation
    The given correct answer is "flammable liquids". This is because liquids with a flash point below 100 degrees F and a vapor pressure not exceeding 40 psi are considered flammable. The flash point is the temperature at which a liquid can produce enough vapor to ignite, and a vapor pressure below 40 psi indicates that the liquid does not easily evaporate. Therefore, liquids meeting these criteria are classified as flammable liquids.

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  • 33. 

    What position indicates flammability ratings in the NFPA 704 system?

    • 12 o'clock

    • 3 o'clock

    • 6 o'clock

    • 9 o'clock

    Correct Answer
    A. 12 o'clock
    Explanation
    The position that indicates flammability ratings in the NFPA 704 system is 12 o'clock. In the NFPA 704 system, a diamond-shaped label is used to communicate the hazards of a particular substance. The diamond is divided into four quadrants, with each quadrant representing a different hazard. The top quadrant, which is positioned at 12 o'clock, is used to indicate the flammability rating of the substance. This rating ranges from 0 (non-flammable) to 4 (extremely flammable), allowing individuals to quickly assess the level of flammability and take appropriate precautions.

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  • 34. 

    Which section of an MSDS lists a product's evaporation rate?

    • Fire & explosion hazard data

    • Hazardous ingredients

    • Reactivity data

    • Physical and chemical characteristics

    Correct Answer
    A. Physical and chemical characteristics
    Explanation
    The section of an MSDS that lists a product's evaporation rate is the physical and chemical characteristics section. This section provides information about the product's physical properties, such as its boiling point, vapor pressure, and evaporation rate. The evaporation rate is an important characteristic to know as it determines how quickly a substance will transition from a liquid to a vapor state.

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  • 35. 

    Which of the following materials is NOT suitable for underground storage tanks?

    • Metal

    • Fiberglass

    • Unlined concrete

    • Vitreous clay

    Correct Answer
    A. Vitreous clay
    Explanation
    Vitreous clay is not suitable for underground storage tanks because it is not a durable material and is prone to cracking and leakage over time. It is also not resistant to chemicals and can be easily corroded. Therefore, using vitreous clay for underground storage tanks would not be a reliable or safe option.

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  • 36. 

    Oxidizers are not necessarily combustible by themselves.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Oxidizers are substances that have the ability to promote or facilitate the combustion of other materials. However, they do not necessarily combust by themselves. This means that while oxidizers can support or enhance the combustion process, they do not undergo combustion on their own without the presence of a fuel source. Therefore, the statement "Oxidizers are not necessarily combustible by themselves" is true.

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  • 37. 

    Which of the following is an industrial gas?

    • Argon

    • Propane

    • Phosphine

    • Cyclopropane

    Correct Answer
    A. Argon
    Explanation
    Argon is an industrial gas because it is commonly used in various industries for welding, metal fabrication, and as a shielding gas in industrial processes. It is inert and has properties that make it suitable for these applications, such as its ability to displace oxygen and prevent oxidation. Argon is also used in the production of specialty glass and as a component in gas mixtures for lighting and lasers.

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  • 38. 

    Section classes on an MSDS - Control measures

    Correct Answer
    Section VIII
  • 39. 

    What color indicates reactivity hazard rating in the NFPA 704 system?

    • Red

    • Blue

    • Yellow

    • White

    Correct Answer
    A. Yellow
    Explanation
    In the NFPA 704 system, the color yellow is used to indicate the reactivity hazard rating. This means that materials with this rating have the potential to react violently with water, air, or other chemicals. The yellow color serves as a warning to handle these materials with caution to prevent accidents or dangerous reactions.

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  • 40. 

    An MSDS from the United States is acceptable for use in Canada.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    An MSDS from the United States is not acceptable for use in Canada. This is because Canada has its own regulations and requirements for Material Safety Data Sheets (MSDS) which may differ from those in the United States. Therefore, it is necessary to have a separate MSDS that complies with Canadian standards in order to use it in Canada.

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  • 41. 

    How often should the loading hose on a gas cylinder loading station be replaced?

    • 10 years

    • 5 years

    • 2 years

    • 1 year

    Correct Answer
    A. 5 years
    Explanation
    The loading hose on a gas cylinder loading station should be replaced every 5 years. This is important because hoses can deteriorate over time due to wear and tear, exposure to harsh weather conditions, and the potential for damage from chemicals or other substances. Regular replacement helps ensure the safety and efficiency of the loading station by reducing the risk of leaks or failures in the hose.

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  • 42. 

    What resource lists the four-digit identification  numbers assigned to hazardous material?

    • United Nations Codebook

    • IGGRN

    • NATO Haz Mat Treaty

    • NAERG

    Correct Answer
    A. NAERG
    Explanation
    The correct answer is NAERG because NAERG stands for North American Emergency Response Guidebook, which is a resource that lists the four-digit identification numbers assigned to hazardous materials. It provides guidance on how to respond to incidents involving hazardous materials and helps emergency responders quickly identify the proper procedures and precautions to take.

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  • 43. 

    Which of the following has a storage capacity of more than 60 gallons and remains in a fixed location?

    • Fixed vessel

    • Container

    • Portable tank

    • Storage tank

    Correct Answer
    A. Storage tank
    Explanation
    A storage tank is the correct answer because it has a storage capacity of more than 60 gallons and remains in a fixed location. Unlike a fixed vessel, which may refer to any type of stationary container, a storage tank specifically implies a large capacity for storing liquids or gases. A container can refer to any type of receptacle, including small or portable ones. A portable tank, as the name suggests, can be moved from one location to another. Therefore, a storage tank is the only option that fits the given criteria.

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  • 44. 

    Which of the following statements about gas cylinders is correct?

    • Oil or grease on oxygen cylinders can cause an explosion

    • Cylinders should be stored below ground level

    • Nonreturnable containers should not be punctured before disposal

    • Loading hoses with vaportight connections must be bonded

    Correct Answer
    A. Oil or grease on oxygen cylinders can cause an explosion
    Explanation
    Oil or grease on oxygen cylinders can cause an explosion because oxygen supports combustion. Oil or grease can act as a fuel source and increase the risk of a fire or explosion when it comes into contact with oxygen. Therefore, it is important to ensure that oxygen cylinders are kept clean and free from any oil or grease contamination to prevent accidents.

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  • 45. 

    Which of the following has a storage capacity of 60 gallons or less?

    • Fixed vessel

    • Container

    • Portable tank

    • Storage tank

    Correct Answer
    A. Container
    Explanation
    A container is the correct answer because it is a general term that can refer to various types of storage units, including those with a storage capacity of 60 gallons or less. The other options, such as fixed vessel, portable tank, and storage tank, do not specify a maximum storage capacity and can potentially hold more than 60 gallons. Therefore, a container is the most appropriate choice for a storage capacity of 60 gallons or less.

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  • 46. 

    Which agency issues regulations for the manufacture, distribution, and storage of explosives?

    • OSHA

    • DOT

    • BATF

    • EPA

    Correct Answer
    A. BATF
    Explanation
    The Bureau of Alcohol, Tobacco, Firearms and Explosives (BATF) is the agency responsible for issuing regulations for the manufacture, distribution, and storage of explosives. This agency ensures that proper safety protocols are followed in order to prevent accidents and protect public safety. OSHA focuses on workplace safety, DOT on transportation regulations, and EPA on environmental regulations, but BATF specifically deals with explosives.

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  • 47. 

    Which of the following is NOT a basic cause of container failure that leads to uncontrolled release of energy?

    • Static electricity within the container

    • Excessive pressure within the container

    • Flame impingement on the container

    • Mechanical damage to the container

    Correct Answer
    A. Static electricity within the container
    Explanation
    Static electricity within the container is not a basic cause of container failure that leads to uncontrolled release of energy. Static electricity can cause sparks or discharges, but it is not a direct cause of container failure. The other options, such as excessive pressure, flame impingement, and mechanical damage, can all lead to container failure and the release of energy.

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  • 48. 

    From a fire protection standpoint, which of the following storage tanks is the safest form of storage for flammable and combustible liquids?

    • Above ground

    • Elevated

    • Underground

    • Inside a building

    Correct Answer
    A. Underground
    Explanation
    Underground storage tanks are considered the safest form of storage for flammable and combustible liquids from a fire protection standpoint. This is because they are located below the ground, which provides natural insulation and protection against external fires. Underground tanks also minimize the risk of spills and leaks, as they are less exposed to accidental damage. Additionally, being underground reduces the chances of ignition and explosion due to heat exposure. Therefore, underground storage tanks are the preferred choice for storing flammable and combustible liquids to ensure maximum safety.

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  • 49. 

    Temperature at which the vapor pressure of a liquid is equal to the external pressure applied to it

    • Flash point

    • Specific gravity

    • Flammable & explosive limits

    • Boiling point

    Correct Answer
    A. Boiling point
    Explanation
    The boiling point of a liquid is the temperature at which its vapor pressure becomes equal to the external pressure applied to it. At this temperature, the liquid starts to rapidly vaporize and turn into a gas. Therefore, the correct answer is boiling point.

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  • Current Version
  • Mar 07, 2024
    Quiz Edited by
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  • Apr 21, 2011
    Quiz Created by
    Tribecca09

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