# HAZMAT Tech Part 1

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CBOLC 1-16 Tech 1

• 1.

### The weight of vapor compared to air

• A.

Vapor Pressure

• B.

Sublimation

• C.

Vapor Density

• D.

Viscosity

C. Vapor Density
Explanation
Vapor density refers to the weight of a vapor compared to an equal volume of dry air at the same temperature and pressure. It is a measure of how heavy or light a vapor is compared to air. A higher vapor density means that the vapor is heavier than air, while a lower vapor density indicates that the vapor is lighter than air. This property is important in understanding the behavior and movement of vapors in various environments.

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• 2.

### The ability of a substance to change from a solid to a vapor phase without first becoming a liquid

• A.

Slurry

• B.

Auto-refrigeration

• C.

Sublimation

• D.

Boiling Point

C. Sublimation
Explanation
Sublimation refers to the ability of a substance to change directly from a solid to a vapor phase without going through the intermediate liquid phase. This process occurs when the vapor pressure of the solid is higher than its melting point, causing the solid to skip the liquid phase and transform into a gas. Examples of substances that undergo sublimation include dry ice (solid carbon dioxide) and mothballs (naphthalene). Therefore, sublimation is the correct answer in this context.

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• 3.

### These agents are extremely toxic, with the symptoms of exposure not appearing for minutes, hours or days

• A.

Vesicants

• B.

Saturated Hydrocarbons

• C.

Gamma Rays

• D.

Riot Control Agents

A. Vesicants
Explanation
Vesicants are substances that are highly toxic and can cause severe damage upon exposure. The symptoms of exposure to vesicants may not appear immediately, but can take minutes, hours, or even days to manifest. This delayed onset of symptoms is characteristic of vesicant exposure. Therefore, vesicants are the correct answer in this case.

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• 4.

### Measures the acidity or alkalinity of a corrosive material.The meters provide a more accurate reading than pH paper/strips, and are commercially available

• A.

Colorimetric Detector Tubes

• B.

Biological Immunoassay Indicators

• C.

PH Meters

• D.

Reagents

C. PH Meters
Explanation
pH meters are used to measure the acidity or alkalinity of a corrosive material. They provide a more accurate reading compared to pH paper or strips. pH meters are commercially available and widely used in various industries and laboratories to ensure precise measurements of pH levels. They are essential tools for monitoring and controlling the pH of solutions in areas such as chemistry, environmental science, and food and beverage production.

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• 5.

### Identifies specific DNA sequences, which enables it to detect and identify different biological agents

• A.

Combustible Gas Indicator

• B.

Reagents

• C.

DNA Fluroscopy

• D.

Oxygen Meter

C. DNA Fluroscopy
Explanation
DNA Fluroscopy is the correct answer because it is a technique that uses fluorescence to detect and identify specific DNA sequences. It involves labeling the DNA with a fluorescent dye and then using a specialized instrument to analyze the fluorescence pattern. This technique is commonly used in molecular biology and genetics to study DNA structure, function, and interactions. By identifying specific DNA sequences, DNA Fluroscopy can be used to detect and identify different biological agents, such as pathogens or genetic mutations.

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• 6.

### Tests for organic compounds. Hydrocarbons such as butane or hexane. Can study biochemical compounds such as proteins, nucleotides and pharmaceuticals.

• A.

Gas Chromatograph

• B.

Infrared Spectroscopy

• C.

Photoionization Detectors

• D.

Flame Ionization Detectors

D. Flame Ionization Detectors
Explanation
Flame Ionization Detectors (FIDs) are commonly used to test for organic compounds, including hydrocarbons such as butane or hexane. FIDs work by measuring the ionization of organic molecules in a flame, which produces a detectable electrical signal. This makes FIDs useful for studying biochemical compounds such as proteins, nucleotides, and pharmaceuticals, as they often contain organic molecules. In contrast, gas chromatography and infrared spectroscopy are also used for analyzing organic compounds, but they may not be as suitable for studying specific types of compounds like proteins or nucleotides. Photoionization detectors are typically used for detecting volatile organic compounds in air samples.

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• 7.

### Measures the concentration of carbon monoxide. Provides immediate results

• A.

Electrochemical Cells

• B.

Oxygen Meter

• C.

Gas Chromatograph

• D.

Metal Oxide Sensor

A. Electrochemical Cells
Explanation
Electrochemical cells are devices that can measure the concentration of carbon monoxide. They work by using a chemical reaction to generate an electric current, which is directly proportional to the concentration of carbon monoxide present. This allows for immediate results, making electrochemical cells an efficient and reliable method for detecting carbon monoxide levels.

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• 8.

### Able to detect the presence of blister and nerve agents at the same time.

• A.

Surface Acoustical Wave

• B.

Raman Spectroscopy

• C.

Metal Oxide Sensor

• D.

Photoionization Detectors

A. Surface Acoustical Wave
Explanation
Surface Acoustical Wave technology is capable of detecting the presence of blister and nerve agents simultaneously. This technology uses sound waves to detect and analyze chemical substances, making it highly sensitive and accurate. It can identify the specific signatures of blister and nerve agents, allowing for quick and reliable detection. Surface Acoustical Wave technology is a valuable tool in chemical warfare defense and environmental monitoring.

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• 9.

### Tests for solids, liquids, pastes, organic compounds, petroleum products, plastics, plant materials, water, mineral acids, inorganic oxides, nitrates, chlorates, and phosphates

• A.

Gamma Spectrometer

• B.

Ion Mobility Spectroscopy

• C.

Gas Chromatograph

• D.

Infrared Spectroscopy

D. Infrared Spectroscopy
Explanation
Infrared Spectroscopy is a technique used to identify and analyze the chemical composition of a wide range of materials. It works by measuring the absorption, transmission, and reflection of infrared light by the sample. This technique is particularly useful for testing solids, liquids, pastes, organic compounds, petroleum products, plastics, plant materials, water, mineral acids, inorganic oxides, nitrates, chlorates, and phosphates. By analyzing the infrared spectrum of a sample, the presence of specific functional groups and chemical bonds can be determined, providing valuable information about its composition and structure.

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• 10.

### This label is attached to packages with external contact radiation levels ranging from greater than 0.5 mrem/hour to no more than 50 mrem/hour.

• A.

• B.

• C.

• D.

Explanation
The correct answer is Radioactive Yellow II because this label is attached to packages with external contact radiation levels ranging from greater than 0.5 mrem/hour to no more than 50 mrem/hour.

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• 11.

### Items necessary to conduct sampling operations are prepared in the

• A.

Warm zone

• B.

Cold zone

• C.

Hot zone

B. Cold zone
Explanation
The correct answer is the cold zone. In sampling operations, it is important to prevent contamination and maintain the integrity of the samples. The cold zone is typically designated as the area where samples are handled and prepared. This zone is kept at a lower temperature to minimize the growth of microorganisms and preserve the quality of the samples. By preparing the necessary items in the cold zone, the risk of contamination and degradation of the samples is reduced, ensuring accurate and reliable results.

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• 12.

### Tank with vertical cylindrical walls supporting a fixed dome-shaped roof. Stores flammable and combustible liquids, fertilizers and chemical solvents.

• A.

Vapor Dome Roof Tanks

• B.

Underground Storage Tanks

• C.

Pressure Tanks

• D.

Cone Roof Tank

A. Vapor Dome Roof Tanks
Explanation
Vapor Dome Roof Tanks are the correct answer because they are specifically designed to store flammable and combustible liquids, fertilizers, and chemical solvents. These tanks have vertical cylindrical walls that support a fixed dome-shaped roof, which helps to contain and control vapors that may be emitted from the stored substances. The dome-shaped roof also provides additional structural support and protection against external elements. Underground Storage Tanks, Pressure Tanks, and Cone Roof Tanks do not have the same design features and may not be suitable for storing flammable and combustible liquids, fertilizers, and chemical solvents.

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• 13.

### Steel cylindrical pressure tank approximately 3 feet in diameter and 8 feet long with convex and concave heads.

• A.

Flexible Container

• B.

Ton Container

• C.

Cryogenic Tank

• D.

Horizontal Tank

B. Ton Container
Explanation
The given description mentions a steel cylindrical pressure tank that is approximately 3 feet in diameter and 8 feet long with convex and concave heads. Based on this information, the most suitable option is a "Ton Container." A Ton Container is a type of steel pressure vessel that is cylindrical in shape and is commonly used for transporting and storing bulk materials such as chemicals, gases, or liquids. The dimensions provided in the description align with the typical size of a Ton Container, making it the correct answer.

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• 14.

### The concentration or amount of material to which the body is exposed over a period of time.

• A.

Half-life

• B.

Concentration

• C.

Viscosity

• D.

Dose

D. Dose
Explanation
Dose refers to the concentration or amount of material to which the body is exposed over a period of time. It is a measure of the quantity of a substance that enters the body and can have various effects on an individual. Dose is an important factor in determining the potential harm or benefit of a substance and is commonly used in fields such as medicine, toxicology, and pharmacology.

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• 15.

### Hydrocarbons that only contain single bonds. They are also called alkanes or paraffin hydrocarbons.

• A.

Irritants

• B.

Aromatic Hydrocarbons

• C.

Saturated Hydrocarbons

• D.

Inorganic

C. Saturated Hydrocarbons
Explanation
Saturated hydrocarbons are hydrocarbons that only contain single bonds. They are also known as alkanes or paraffin hydrocarbons. This means that all the carbon atoms in the molecule are bonded to the maximum number of hydrogen atoms possible. The term "saturated" refers to the fact that these hydrocarbons have the maximum number of hydrogen atoms bonded to each carbon atom, making them stable and unreactive. Aromatic hydrocarbons, on the other hand, contain a ring of carbon atoms with alternating single and double bonds, and are more reactive. Therefore, the correct answer is saturated hydrocarbons.

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• 16.

### Pourable mixture of solid and liquid

• A.

Catalyst

• B.

Beta

• C.

Inhibitor

• D.

Slurry

D. Slurry
Explanation
A slurry is a pourable mixture of solid particles suspended in a liquid. It is commonly used in various industries such as mining, construction, and manufacturing. The solid particles in a slurry can be of different sizes and shapes, and they are typically mixed with a liquid to create a fluid-like consistency. Slurries are often used in processes where the solid particles need to be transported or separated from the liquid phase. Therefore, the term "slurry" accurately describes a pourable mixture of solid and liquid components.

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• 17.

### The period of time it takes for a substance undergoing decay to decrease by half

• A.

Half-life

• B.

Critical Temperature

• C.

Reactivity

• D.

Lower Explosive Limit

A. Half-life
Explanation
The term "half-life" refers to the period of time it takes for a substance undergoing decay to decrease by half. This concept is commonly used in fields such as chemistry and nuclear physics to measure the rate of decay of radioactive substances. It is a fundamental concept in understanding the stability and decay of various elements and isotopes.

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• 18.

### A substances propensity to undergo change or release energy

• A.

Concentration

• B.

Flash Point

• C.

Reactivity

• D.

Fire Point

C. Reactivity
Explanation
Reactivity refers to a substance's tendency to undergo chemical reactions or release energy. It indicates how likely a substance is to react with other substances or undergo a chemical change. In the context of the given options, concentration refers to the amount of a substance present in a given volume or space, flash point refers to the lowest temperature at which a substance can ignite, and fire point refers to the temperature at which a substance continues to burn after ignition. Therefore, reactivity is the most appropriate answer as it directly relates to a substance's propensity to undergo change or release energy.

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• 19.

### Large glass or plastic bottles that may be incased in outer packaging. Used to transport corrosive liquids such as acids. They may also be used to transport non-hazardous liquids.

• A.

Drums

• B.

• C.

Carboys

• D.

Cylinders

C. Carboys
Explanation
Carboys are large glass or plastic bottles that can be enclosed in outer packaging. They are specifically designed for transporting corrosive liquids like acids. However, they can also be used for transporting non-hazardous liquids. Carboys are a suitable choice for transporting these liquids due to their durability and ability to resist chemical reactions.

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• 20.

### Used to transport materials with a higher level of radiation than allowed in excepted or industrial packages. These types of packages contain non-life endangering amounts of radioactive material.

• A.

Alpha

• B.

Type A

• C.

Type B

• D.

Type C

B. Type A
Explanation
Type A packages are used to transport materials with a higher level of radiation than allowed in excepted or industrial packages. These packages contain non-life endangering amounts of radioactive material.

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• 21.

### Detects total concentration of numerous organic and inorganic gases and vapors. Can be used to measure toxic exposures.

• A.

Gamma Spectrometer

• B.

Photoionization detectors

• C.

• D.

Surface Acoustical Wave

B. Photoionization detectors
Explanation
Photoionization detectors are capable of detecting the total concentration of various organic and inorganic gases and vapors. They work by ionizing the gas molecules, which then produce a measurable current. This makes them suitable for measuring toxic exposures, as they can accurately determine the presence and concentration of harmful substances in the air. Therefore, photoionization detectors are an effective tool for monitoring and ensuring safety in environments where the presence of hazardous gases or vapors is a concern.

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• 22.

### Chemicals that produce liver damage

• A.

Neurotoxins

• B.

Hepatoxins

• C.

Nephrotoxins

• D.

Beta Particles

B. Hepatoxins
Explanation
Hepatoxins are substances that specifically target and cause damage to the liver. They can disrupt the normal functioning of the liver cells and lead to liver inflammation, necrosis, and other liver diseases. This can result in impaired liver function, accumulation of toxins in the body, and potentially life-threatening conditions. Therefore, chemicals that produce liver damage are referred to as hepatoxins. Neurotoxins, nephrotoxins, and beta particles, on the other hand, are substances that primarily affect the nervous system, kidneys, and are a form of ionizing radiation respectively, not specifically targeting the liver.

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• 23.

### Chemicals that affect the dermal layer of the body

• A.

Reproductive toxins

• B.

Eye hazards

• C.

Cutaneous Hazards

• D.

Hepatoxins

C. Cutaneous Hazards
Explanation
Cutaneous hazards refer to chemicals that can affect the dermal layer of the body. These chemicals can cause skin irritation, sensitization, or other adverse effects when they come into contact with the skin. They may include substances that are corrosive, irritants, or sensitizers. Cutaneous hazards can lead to dermatitis, burns, or other skin conditions. It is important to take necessary precautions and protective measures when working with these chemicals to prevent any harm to the skin.

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• 24.

### Reduction in container shell thickness made by a relatively blunt object

• A.

Gouge

• B.

Score

• C.

Dent

• D.

Crack

B. Score
Explanation
A score refers to a shallow cut or groove made on the surface of an object. In this context, a reduction in container shell thickness made by a relatively blunt object would likely result in a score. A score is typically not as deep or severe as a gouge, dent, or crack, which suggests that it is the most appropriate term to describe the action of a blunt object reducing the thickness of the container shell.

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• 25.

### A polypropylene tank surrounded by a rigid metal frame with a capacity of 300-500 gallons. Used for a variety of liquid materials  such as flammable and combustible liquids, oxidizers, corrosives and class 9 materials. Has a fill port on top and a ball valve at the discharge port on the bottom.

• A.

Rigid container

• B.

Ton container

• C.

Flexible container

• D.

Pipeline

A. Rigid container
Explanation
The given description clearly states that the tank is surrounded by a rigid metal frame, indicating that it is a rigid container. The capacity of 300-500 gallons also suggests that it is a large and sturdy container, further supporting the classification as a rigid container. Additionally, the presence of a fill port on top and a ball valve at the discharge port on the bottom indicates that it is designed for containment and controlled release of the liquid materials, which aligns with the characteristics of a rigid container.

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• 26.

### This guide also contains information on parameters to determine the degree and extent of hazardous locations for liquids, gases and vapors.

NFPA 491M, nfpa 491m
Explanation
The correct answer is NFPA 491M. NFPA 491M is a guide that provides information on parameters to determine the degree and extent of hazardous locations for liquids, gases, and vapors. It helps in identifying and classifying hazardous areas to ensure safety measures are in place to prevent accidents and protect people and property from potential hazards.

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• 27.

### A deformation in container metal is known as a

Dent, dent, DENT
Explanation
The correct answer is "dent". A deformation in a container metal is commonly referred to as a dent. The repeated mention of "dent" in the question emphasizes the term and reinforces the correct answer.

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• 28.

### Tests for oxygen deficient and enriched atmospheres. Measures the percentage of oxygen.

• A.

Flame Ionizing Detector

• B.

Oxygen Meter

• C.

Gas Chromatograph

• D.

Carbon Monoxide Meters

B. Oxygen Meter
Explanation
An oxygen meter is a device used to measure the percentage of oxygen in a given atmosphere. It is commonly used to test for oxygen-deficient or oxygen-enriched atmospheres, as it provides a quantitative measurement of the oxygen content. This is important in various industries, such as mining or confined space entry, where the presence of oxygen is crucial for worker safety. By accurately measuring the oxygen levels, potential hazards can be identified and appropriate precautions can be taken to ensure a safe working environment.

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• 29.

### The process of connecting two or more conductive objects together by means of a conductor

• A.

Bonding

• B.

Conduction

• C.

Hydrostatic Pressure Relief

• D.

Grounding

A. Bonding
Explanation
Bonding is the correct answer because it refers to the process of connecting two or more conductive objects together using a conductor. This is typically done to ensure that there is an equal potential between the objects and to prevent the buildup of static electricity or the occurrence of electrical shocks. Bonding is commonly used in various industries, such as construction and manufacturing, to ensure safety and proper functioning of electrical systems.

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• 30.

### Which of these is  NOT one of the components of an incident?

• A.

The Product

• B.

The Environment

• C.

The Container

• D.

The Product Manufacturer

D. The Product Manufacturer
Explanation
The question is asking to identify the component that is NOT part of an incident. Incidents typically involve the product, environment, and container. The product manufacturer, however, is not a component of an incident. While the manufacturer may be involved in investigating the incident or addressing any issues, they are not considered one of the components that directly contribute to the incident itself.

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• 31.

### A liquefied gas extinguishing agent that extinguishes a fire by chemical interruption of the combustion reaction of fuel and oxygen.

• A.

FM 200 System

• B.

Halon System

• C.

Pressure Relief Valve

• D.

Hepatoxins

B. Halon System
Explanation
Halon systems are a type of fire extinguishing agent that can extinguish fires by interrupting the chemical reaction between fuel and oxygen. Halon is a liquefied gas that works by displacing oxygen, thus removing one of the components necessary for combustion. This interruption of the combustion reaction effectively extinguishes the fire. However, it is important to note that Halon systems have been phased out due to their harmful environmental impact, as they contribute to ozone depletion.

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• 32.

### This kind of tank car has a pressure capacity of 25 psi or less, and is designed with a tank-within a tank style.

• A.

Non Pressure tank car

• B.

• C.

Cryogenic Liquid Tank Car

• D.

Pressure tank car

C. Cryogenic Liquid Tank Car
Explanation
A cryogenic liquid tank car is designed to transport substances that are kept at extremely low temperatures, such as liquefied gases like nitrogen, oxygen, and argon. These substances are stored in a tank-within-a-tank style, which provides insulation and prevents the escape of the cryogenic liquids. The pressure capacity of this type of tank car is typically 25 psi or less, as the low temperatures of the cryogenic liquids keep the pressure low.

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• 33.

### This is a specialized intermodal tank with high pressure cylinders tested to 3000-5000 psi. used to transport pressurized non-liquefied gases.

• A.

Tube Module

• B.

Pressure Intermodal Tank

• C.

Cryogenic Intermodal Tank

• D.

Dry Bulk Cargo Tank

A. Tube Module
Explanation
A tube module is a specialized intermodal tank with high-pressure cylinders that are tested to withstand pressures ranging from 3000 to 5000 psi. It is specifically designed for transporting pressurized non-liquefied gases.

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• 34.

### Stores flammable and combustible liquids up to 1 million gallons. Has large vents which are found at the top of the tank shell.

• A.

Vapor dome roof tank

• B.

Open floating roof rank

• C.

Covered floating roof tank

• D.

Horizontal Tank

C. Covered floating roof tank
Explanation
A covered floating roof tank is the correct answer because it is designed to store flammable and combustible liquids, such as petroleum, and has a roof that floats on the surface of the liquid. This type of tank is equipped with a cover or roof that helps to prevent the escape of vapors and minimize the risk of fire or explosion. The large vents located at the top of the tank shell allow for the release of pressure and the exchange of air, while still maintaining a sealed environment.

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• 35.

### Infrared Spectroscopy cannot identify biological agents, metals, non metals and simple ionic salts.

• A.

True

• B.

False

A. True
Explanation
Infrared spectroscopy is a technique that is primarily used to identify and analyze the chemical bonds and functional groups present in a sample. It is not suitable for identifying biological agents, metals, non-metals, and simple ionic salts because these substances do not exhibit the characteristic infrared absorption bands that can be detected by this technique. Therefore, the statement that infrared spectroscopy cannot identify these substances is true.

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• 36.

### Because cryogenic liquids are kept at temperatures below -130 degrees Fahrenheit, they will vaporize rapidly when exposed to the higher ambient temperatures of the atmosphere outside the tank.

• A.

True

• B.

False

A. True
Explanation
Cryogenic liquids are stored at extremely low temperatures, typically below -130 degrees Fahrenheit. When these liquids are exposed to higher ambient temperatures outside the tank, they will rapidly vaporize. This is because the higher temperature causes the cryogenic liquid to heat up and convert into gas. Therefore, the statement "Because cryogenic liquids are kept at temperatures below -130 degrees Fahrenheit, they will vaporize rapidly when exposed to the higher ambient temperatures of the atmosphere outside the tank" is true.

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• 37.

### A reduction in container thickness characterized by the cutting and complete removal of the container or weld metal along the track of contact.Made by a sharp, chisel-like object.

• A.

Gouges

• B.

Scores

• C.

Cracks

• D.

Dents

A. Gouges
Explanation
Gouges are characterized by a reduction in container thickness caused by the cutting and complete removal of the container or weld metal along the track of contact. This is typically done by a sharp, chisel-like object. Gouges are different from scores, cracks, and dents, as they involve the complete removal of material rather than just surface damage or deformation.

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• 38.

### These systems allow for the application of fire extinguishing agents quicker and to manage an incident in its early stages.

• A.

Monitoring and detection systems

• B.

Pressure relief devices

• C.

Fire Protection Systems

• D.

Vacuum relief devices

C. Fire Protection Systems
Explanation
Fire protection systems are designed to detect and suppress fires in their early stages. These systems include various components such as fire alarms, sprinklers, and fire suppression agents. By promptly detecting a fire and activating the appropriate response, fire protection systems can help prevent the spread of fire, minimize damage, and protect lives. They allow for the application of fire extinguishing agents quicker, enabling a faster response to control and extinguish the fire before it escalates into a larger incident.

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• 39.

### Grounding is the process of connecting two or more conductive objects together by means of a conductor

• A.

True

• B.

False

B. False
Explanation
Grounding is actually the process of connecting one or more conductive objects to earth and is a specific form of bonding.

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• 40.

### Pressure relief devices need to be capable of operating _____ in order to keep the tank from failing violently, or rupturing.

Freely, freely
Explanation
Pressure relief devices need to be capable of operating "freely" in order to keep the tank from failing violently or rupturing. This means that the pressure relief devices should have unrestricted movement and should not be obstructed or stuck. If the devices are not able to operate freely, they may not be able to release excess pressure from the tank, leading to a potential explosion or rupture. Therefore, it is crucial for pressure relief devices to have the ability to operate without any hindrance.

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• 41.

### Allows for the initiation of control actions while an incident is still relatively small, through the use of early notification.

• A.

Monitoring and Detection systems

• B.

Fire Protection Systems

• C.

Tank Spacing

• D.

Carbon Dioxide systems

A. Monitoring and Detection systems
Explanation
Monitoring and detection systems allow for the initiation of control actions while an incident is still relatively small, through the use of early notification. These systems are designed to constantly monitor and detect any signs of potential incidents, such as fires or leaks, and provide early warning signals. This early notification allows for prompt response and intervention, which can help prevent the incident from escalating and causing more damage. By detecting incidents early on, monitoring and detection systems enable timely control actions to be taken, minimizing the impact and ensuring the safety of individuals and property.

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• 42.

### The FM 200 System does not remove the oxygen from the air.

• A.

True

• B.

False

A. True
Explanation
The FM 200 System is a fire suppression system that uses a clean agent gas to extinguish fires. Unlike other fire suppression systems, such as those that use carbon dioxide, the FM 200 System does not remove oxygen from the air. Instead, it works by interrupting the chemical chain reaction that occurs during a fire, effectively suppressing the flames without depleting the oxygen levels in the room. Therefore, the statement that the FM 200 System does not remove oxygen from the air is true.

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• 43.

### This valve allows flow in one direction only and is used to allow a container to be filled while preventing product from flowing out of the container.

• A.

Back Flow Valve

• B.

Water Mist System

• C.

Product Control Valves

• D.

Aqueous Film Forming Foam

A. Back Flow Valve
Explanation
A backflow valve is a type of valve that only allows flow in one direction. It is commonly used to prevent the reverse flow of fluids, such as water or gases, in a piping system. In the given context, a backflow valve is used to allow a container to be filled while preventing the product from flowing out of the container. This ensures that the container can be filled without any leakage or backflow of the product.

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• 44.

### Construction material may be paper, cloth, burlap, plastic, or a combination of these materials.

• A.

Carboys

• B.

Drums

• C.

Bags

• D.

C. Bags
Explanation
The given options - carboys, drums, bags, and Dewar flasks - are all examples of containers used for storing or transporting materials. However, the statement mentions that construction material can be paper, cloth, burlap, plastic, or a combination of these materials. Out of the given options, bags are the most versatile and commonly made from a variety of materials including paper, cloth, burlap, and plastic. Therefore, bags are the most suitable option that aligns with the statement.

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• 45.

### Which of these is NOT a type of cylinder?

• A.

Aerosol Container

• B.

Un-insulated container

• C.

Cryogenic Container

• D.

Ton Container

D. Ton Container
Explanation
The question asks for a type of cylinder that is NOT included in the given options. The options provided are Aerosol Container, Un-insulated container, Cryogenic Container, and Ton Container. Among these options, all except "Ton Container" can be considered as types of cylinders. Therefore, "Ton Container" is the correct answer as it is NOT a type of cylinder.

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• 46.

### Limits on Type B packages are provided in Title 49, Code of Federal Regulations, Part ________

173.431
Explanation
The correct answer is 173.431 because Title 49, Code of Federal Regulations, Part 173.431 specifically provides the limits on Type B packages. This regulation outlines the requirements and restrictions for the transportation of Type B packages, ensuring the safe handling and transportation of hazardous materials.

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• 47.

### Medicines that contain radioactive materials are known as __________

Explanation
Medicines that contain radioactive materials are known as radiopharmaceuticals. The term "radiopharmaceuticals" refers to drugs that are used in nuclear medicine for diagnostic or therapeutic purposes. These drugs typically consist of a radioactive isotope combined with a pharmaceutical compound. They are used in imaging techniques such as positron emission tomography (PET) scans, as well as in targeted therapies for cancer treatment. The correct answer options provided in the question all spell "radiopharmaceuticals" correctly, just with different capitalization.

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• 48.

### Industrial Packages are intended for material that has low activity per unit mass, with a limited hazard to the public and the environment.

• A.

True

• B.

False

A. True
Explanation
Industrial Packages are designed for material that has low activity per unit mass and poses a limited hazard to the public and the environment. This means that the material being transported or stored in these packages is not highly radioactive or dangerous. Industrial Packages are typically used for materials such as low-level radioactive waste or other non-radioactive hazardous materials that have a lower level of risk compared to highly radioactive materials. Therefore, the statement "Industrial Packages are intended for material that has low activity per unit mass, with a limited hazard to the public and the environment" is true.

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• 49.

### Can be used to determine the presence of flammable vapors of hydrocarbon products.

• A.

Photo-ionizing Detectors

• B.

Combustible Gas Indicators

• C.

Flame Detectors

• D.

Colorimetric Detector Tubes

B. Combustible Gas Indicators
Explanation
Combustible Gas Indicators can be used to determine the presence of flammable vapors of hydrocarbon products. These devices are designed to detect and measure the concentration of combustible gases in the air. They typically use catalytic bead sensors or infrared sensors to detect the presence of flammable gases such as methane, propane, and butane. When these gases are present, the indicator will provide an alarm or visual indication to alert the user of a potential hazard. This makes combustible gas indicators a useful tool for safety professionals in industries where the presence of flammable gases is a concern.

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• 50.

### Readings by test strips don't need to be verified by another instrument.

• A.

True

• B.

False

B. False
Explanation
The statement suggests that readings by test strips do not need to be verified by another instrument. This is false because it is important to verify the accuracy of test strip readings by using another instrument, such as a blood glucose meter, to ensure the reliability of the results. This additional verification helps to minimize errors and ensure the accuracy of the readings.

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• Current Version
• Sep 13, 2023
Quiz Edited by
ProProfs Editorial Team
• Feb 29, 2016
Quiz Created by
Hindspa

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