1.
You should use an SDS whenever you need additional information about a hazardous material that is not included on the product label.
Correct Answer
A. True
Explanation
An SDS, or Safety Data Sheet, is a document that provides detailed information about a hazardous material, including its properties, handling procedures, and safety precautions. It is used to supplement the information provided on the product label, ensuring that individuals have access to all the necessary information to handle the material safely. Therefore, it is true that an SDS should be used whenever additional information about a hazardous material is needed, but not included on the product label.
2.
Only very hazardous materials must be labeled.
Correct Answer
B. False
Explanation
The statement "Only very hazardous materials must be labeled" is incorrect. In reality, all hazardous materials must be labeled to ensure proper handling, storage, and transportation. Labeling helps to communicate important information about the potential hazards associated with the material, such as flammability, toxicity, or corrosiveness. This is crucial for the safety of workers, emergency responders, and the general public. Therefore, the correct answer is False.
3.
The gas in a gas cylinder is stored under greater pressure.
Correct Answer
A. True
Explanation
Gas cylinders are designed to store gases under high pressure. This is necessary to ensure that a large amount of gas can be stored in a relatively small volume. The high pressure allows for more gas molecules to be packed into the cylinder, increasing the amount of gas that can be stored. Additionally, the high pressure also ensures that the gas can be easily released when needed, such as for cooking or heating purposes. Therefore, the statement that the gas in a gas cylinder is stored under greater pressure is true.
4.
Which of the following is NOT a health hazard?
Correct Answer
B. Combustible
Explanation
Combustible materials are not considered a health hazard because they do not directly cause harm to human health. While they may pose a risk of fire or explosion, they do not have the potential to cause harm to the body through toxic exposure or damage to specific organs. Primary irritants and organ-specific hazards, on the other hand, can cause irritation or damage to the body and are considered health hazards.
5.
Chronic effects develop after many years and repeated overexposures.
Correct Answer
A. True
Explanation
Chronic effects occur over a long period of time and are the result of repeated exposure to a substance. These effects may not be immediately noticeable but can manifest after years of continuous exposure. Therefore, the statement that chronic effects develop after many years and repeated overexposures is true.
6.
As an employee, you have a "Right to Know" about the hazardous materials used in your organization.
Correct Answer
A. True
Explanation
Employees have the right to know about the hazardous materials used in their organization to ensure their safety and well-being. This information allows them to take necessary precautions, follow proper handling procedures, and protect themselves from any potential harm or accidents. By being aware of the hazardous materials, employees can make informed decisions and take appropriate actions to minimize risks and maintain a safe working environment.
7.
Safety Data Sheets (SDSs) contain the following information:
Correct Answer
D. All of the above
Explanation
Safety Data Sheets (SDSs) are documents that provide important information about hazardous substances. They are intended to inform workers and emergency personnel about the proper procedures to follow in case of an emergency or exposure to these substances. The Emergency and First Aid Procedures section of an SDS provides detailed instructions on how to respond to different types of emergencies and administer first aid. The Carcinogenic Factors section lists any potential cancer-causing agents present in the substance. The Contact Information section provides the necessary contact details for the manufacturer or supplier of the substance. Therefore, all of the given options are correct as they are all included in SDSs.
8.
Liquid flammables ignite more easily than do liquid combustibles.
Correct Answer
A. True
Explanation
Liquid flammables ignite more easily than liquid combustibles because flammables have lower flash points, which is the temperature at which they can vaporize and form an ignitable mixture with air. Combustibles, on the other hand, have higher flash points and require more heat to reach that point. Therefore, liquid flammables are more prone to ignition and combustion compared to liquid combustibles.
9.
Dose is the only factor that determines how a substance might affect your health.
Correct Answer
B. False
Explanation
This statement is false because there are multiple factors that determine how a substance might affect your health, not just the dose. Other factors include the duration of exposure, the route of exposure (such as inhalation, ingestion, or skin contact), the individual's susceptibility or sensitivity to the substance, and the presence of other chemicals or substances that may interact with it.
10.
The most common types of physical hazards are fire, inhalation, and chemical reactivity.
Correct Answer
B. False
Explanation
The statement is false because the most common types of physical hazards are not fire, inhalation, and chemical reactivity. Physical hazards can include a wide range of dangers such as slips, trips, falls, electrical hazards, noise, radiation, and mechanical hazards. While fire, inhalation, and chemical reactivity are certainly important physical hazards to consider, they are not the only or most common types.
11.
Hazard classes on labels are represented by:
Correct Answer
C. Colors
Explanation
Hazard classes on labels are represented by colors. Different colors are used to indicate different types of hazards, such as red for flammable materials, blue for health hazards, and yellow for reactive substances. This color-coded system helps quickly identify the potential dangers associated with a particular substance, allowing for safer handling and storage.
12.
Safety Data Sheets are NOT available for all of the hazardous materials used in your work area.
Correct Answer
B. False
Explanation
Safety Data Sheets (SDS) are required to be available for all hazardous materials used in a work area. SDS provide important information about the hazards of a substance, including its composition, physical and chemical properties, health effects, and safety precautions. It is essential for workers to have access to SDS to understand how to handle and use hazardous materials safely. Therefore, the statement that SDS are not available for all hazardous materials used in a work area is false.
13.
The following symbol is used to identify:
Correct Answer
B. Corrosives
Explanation
The symbol is used to identify corrosives. Corrosives are substances that have the ability to corrode or eat away at other materials, particularly metals. They can cause severe burns or damage to skin, eyes, and other body tissues upon contact. The symbol serves as a warning to handle these materials with caution and take appropriate safety measures to prevent accidents or injuries.
14.
The three ways a chemical can enter the body are ingestion, skin absorption, and inhalation.
Correct Answer
A. True
Explanation
This statement is true because the three ways mentioned, ingestion, skin absorption, and inhalation, are indeed the primary routes through which chemicals can enter the body. Ingestion refers to the process of swallowing or consuming a substance, allowing it to enter the body through the digestive system. Skin absorption occurs when chemicals are absorbed through the skin and enter the bloodstream. Inhalation happens when chemicals are breathed in, entering the body through the respiratory system. These three routes are important considerations in understanding how chemicals can affect our health and well-being.
15.
Safety Data Sheets (SDSs) should be referred to whenever detailed information is needed on any hazardous material.
Correct Answer
A. True
Explanation
Safety Data Sheets (SDSs) contain essential information about hazardous materials, including their properties, potential hazards, safe handling procedures, and emergency response measures. By referring to SDSs, individuals can access detailed information about a hazardous material, enabling them to understand its risks and take appropriate precautions to ensure their safety. Therefore, it is true that SDSs should be consulted whenever detailed information is needed on any hazardous material.
16.
Which of the following material classes should NOT use an Explosive symbol?
Correct Answer
D. Flammables
Explanation
Flammables should not use an Explosive symbol because they are materials that can easily catch fire and burn. While they may be highly flammable, they do not have the potential to explode like explosives, unstable reactives, or water reactives. Therefore, it is not necessary to label them with an Explosive symbol.
17.
What protective measures will insure that safe exposure limits are not exceeded?
Correct Answer
B. Training and Communication
Explanation
Training and communication are essential protective measures to ensure that safe exposure limits are not exceeded. By providing proper training, employees can be educated about the potential hazards of chemicals and how to handle them safely. Effective communication between management and employees also plays a crucial role in ensuring that everyone is aware of the necessary safety measures and protocols. This helps to minimize the risk of exceeding safe exposure limits and promotes a safer working environment.
18.
The most common route of exposure in industrial applications is:
Correct Answer
A. Inhalation
Explanation
The most common route of exposure in industrial applications is inhalation. This is because many industrial processes release airborne contaminants or pollutants that can be easily inhaled by workers. Inhaling these substances can lead to respiratory issues, lung damage, and other health problems. Other routes of exposure, such as absorption or ingestion, may also occur in certain situations, but inhalation is generally the most common and significant route in industrial settings.
19.
The higher the number on a rating scale, the less dangerous a substance.
Correct Answer
B. False
Explanation
This statement is false because on a rating scale, the higher the number, the more dangerous a substance is. A higher number indicates a higher level of risk or danger associated with the substance, whereas a lower number indicates a lower level of risk or danger.
20.
Dose is the only factor that determines how a substance might affect your health.
Correct Answer
B. False
Explanation
This statement is false because there are multiple factors that determine how a substance might affect your health, not just the dose. Other factors include the duration of exposure, the route of exposure (such as inhalation or ingestion), the individual's sensitivity or susceptibility, and the presence of other chemicals or substances that may interact with the substance in question.