Chemical Safety MCQ Exam: Quiz!

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  • 1/35 Questions

    _______________ is/are designed to provide the information needed to protect users from any hazard that may be associated with the chemical.

    • Chemical Hygiene Plan (CHP)
    • Material Safety Data Sheets (MSDSs)
    • Globally Harmonized System (GHS)
    • Laboratory Chemical Safety Summaries (LCSSs)
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About This Quiz

The 'Chemical Safety MCQ Exam: Quiz!' assesses knowledge on handling and safety protocols for hazardous chemicals. It covers Material Safety Data Sheets, UN classifications, and chemical storage practices, crucial for professionals in health and safety roles.

Chemical Safety MCQ Exam: Quiz! - Quiz

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  • 2. 

    While transporting hazardous waste, you should:

    • Carry a Uniform Hazardous Waste Manifest in the truck

    • Have the word “WASTE” before the name of the material on the bills.

    • Sign a uniform Hazardous Waste Manifest

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    When transporting hazardous waste, it is important to follow proper procedures and regulations to ensure safety. Carrying a Uniform Hazardous Waste Manifest in the truck allows for proper documentation and tracking of the waste being transported. Having the word "WASTE" before the name of the material on the bills helps clearly identify and distinguish hazardous materials. Signing a uniform Hazardous Waste Manifest is necessary to acknowledge responsibility and compliance with the regulations. Therefore, all of the above options are correct and should be followed when transporting hazardous waste.

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  • 3. 

    As per UN Classification of Dangerous Goods, Class 3 indicates:

    • Corrosive

    • Infectious substance

    • Flammable liquid

    • Radioactive

    Correct Answer
    A. Flammable liquid
    Explanation
    According to the UN Classification of Dangerous Goods, Class 3 indicates flammable liquids. Flammable liquids are substances that have a flashpoint below 60°C and can easily catch fire when exposed to an ignition source. They can pose a significant risk of fire and can spread quickly, causing damage to property and endangering lives. Therefore, Class 3 is used to categorize and identify substances that fall under this classification.

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  • 4. 

    Which of the following information about a hazardous material can be found on a Material Safety Data Sheet (MSDS)?

    • Physical and chemical properties

    • All hazards regarding the material

    • Precautions for safe handling and storage

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    A Material Safety Data Sheet (MSDS) provides comprehensive information about a hazardous material. It includes details about the physical and chemical properties of the material, such as its appearance, melting point, and reactivity. The MSDS also lists all hazards associated with the material, including potential health effects and environmental hazards. Additionally, it provides precautions for safe handling and storage of the material, such as recommended personal protective equipment and proper storage conditions. Therefore, all of the given options - physical and chemical properties, all hazards regarding the material, and precautions for safe handling and storage - can be found on an MSDS.

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  • 5. 

    As per the Diamond Symbol of the chemical label, Blue represents

    • Fire Hazard

    • Health Hazard

    • Reactivity Hazard

    • Personal Protective Equipment

    Correct Answer
    A. Health Hazard
    Explanation
    The blue color on the diamond symbol of a chemical label represents health hazard. This means that the chemical has the potential to cause harm to human health, such as through inhalation, ingestion, or skin contact. It indicates that the chemical may cause acute or chronic health effects, ranging from mild irritation to severe toxicity or even carcinogenicity. It is important to handle and use such chemicals with caution, following appropriate safety measures and wearing necessary personal protective equipment.

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  • 6. 

    When storing chemicals, segregate:

    • Flammables and combustibles from oxidizers

    • Oxidizing agents from reducing agents

    • Pyrophoric compounds from flammables

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    The correct answer is "All of the above" because when storing chemicals, it is important to segregate flammables and combustibles from oxidizers to prevent any potential reactions that may cause fires or explosions. Similarly, oxidizing agents should be kept separate from reducing agents to avoid any unwanted reactions. Additionally, pyrophoric compounds, which can ignite spontaneously, should be stored separately from flammables to minimize the risk of fire. Therefore, all of these measures should be taken to ensure the safe storage of chemicals.

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  • 7. 

    What is the flash point of propane gas?

    • −100 °C

    • −102 °C

    • −104 °C

    • −106 °C

    Correct Answer
    A. −104 °C
    Explanation
    The flash point of a substance refers to the lowest temperature at which it can vaporize to form an ignitable mixture in air. In the case of propane gas, the flash point is −104 °C, which means that at temperatures below this point, propane will not produce enough vapor to ignite. This information is important for handling and storage of propane, as it indicates the temperature at which precautions should be taken to prevent the formation of flammable mixtures.

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  • 8. 

    The color coding for the CO2  gas cylinder is?

    • Black with yellow band

    • Black with White band

    • Brown

    • Grey with black band

    Correct Answer
    A. Black with White band
    Explanation
    The color coding for the CO2 gas cylinder is black with a white band. This color coding is used to easily identify and differentiate the CO2 gas cylinder from other types of gas cylinders. The black color signifies that the cylinder contains a non-flammable gas, while the white band indicates that the gas is classified as an asphyxiant. This color coding system helps ensure safe handling and storage of the CO2 gas cylinder.

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  • 9. 

    Where is Nitrogen Gas used in our Pantnagar plant?

    • TCF

    • SPD & CKD

    • BIW-1A & BIW-1B

    • Paint shop

    Correct Answer
    A. TCF
    Explanation
    Nitrogen gas is used in the TCF (Trim Chassis Final) section of the Pantnagar plant. This section involves the final assembly of the vehicle, including the installation of the interior components, chassis, and trim. Nitrogen gas is commonly used in automotive manufacturing plants for various applications, such as tire inflation, cleaning, and as an inert gas for preventing oxidation during welding or painting processes. Therefore, it is likely that Nitrogen gas is utilized in the TCF section of the Pantnagar plant for one or more of these purposes.

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  • 10. 

    It is necessary to inspect a cylinder's valve for gas leakage?

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Inspecting a cylinder's valve for gas leakage is necessary because it ensures the safety of the user and prevents potential accidents. Gas leakage can lead to the accumulation of flammable gases, increasing the risk of fire or explosion. Regular inspection allows for the detection and repair of any leaks, ensuring that the cylinder is in proper working condition and minimizing the chances of accidents.

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  • 11. 

    Which gas was released in the Bhopal gas tragedy?

    • Ethylene

    • Methyl isocynide

    • Mustard gas

    • Potassium isocynide

    Correct Answer
    A. Methyl isocynide
    Explanation
    The correct answer is Methyl isocynide. The Bhopal gas tragedy refers to the catastrophic gas leak incident that occurred in Bhopal, India in 1984. The gas leak was caused by the release of methyl isocyanate (MIC) from a pesticide plant owned by Union Carbide India Limited. MIC is a highly toxic gas that can cause severe respiratory problems, eye irritation, and other health issues. The incident resulted in the death of thousands of people and left many others with long-term health complications.

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  • 12. 

    The Bhopal gas tragedy happened on:

    • December 3, 1994

    • October 3, 1984

    • December 3, 1984

    • October 3, 1994

    Correct Answer
    A. December 3, 1984
    Explanation
    The Bhopal gas tragedy occurred on December 3, 1984. This industrial disaster took place in Bhopal, India, when a pesticide plant owned by Union Carbide India Limited released a toxic gas called methyl isocyanate. The gas leak resulted in the deaths of thousands of people and caused severe health issues for many others. The tragedy is considered one of the worst industrial accidents in history, highlighting the importance of safety regulations and proper maintenance in industrial facilities.

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  • 13. 

    Liquid to Gas Expansion Ratio of Nitrogen @ Boiling Point (20°C)

    • 1:350

    • 1:230

    • 1:694

    • 1:649

    Correct Answer
    A. 1:694
    Explanation
    The liquid to gas expansion ratio of nitrogen at its boiling point of 20°C is 1:694. This means that when nitrogen is heated to its boiling point, it expands to 694 times its original volume as a liquid. This expansion ratio is a measure of how much the substance expands when transitioning from a liquid to a gas state.

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  • 14. 

    Personnel, including rescue workers, should not enter areas where the oxygen concentration is below------------------ unless provided with an SCBA or air-line respirator.

    • 19.8%

    • 19 %

    • 19.5 %

    • 20%

    Correct Answer
    A. 19.5 %
    Explanation
    The correct answer is 19.5%. This is because personnel, including rescue workers, should not enter areas with an oxygen concentration below this level unless they have proper respiratory protection such as an SCBA or air-line respirator. Oxygen levels below this threshold can be dangerous and can lead to asphyxiation or other health hazards.

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  • 15. 

    Which cryogenic material is used in Pantnagar Plant?

    • Liquid Nitrogen

    • Fluorine

    • Chlorine

    • Neon

    Correct Answer
    A. Liquid Nitrogen
    Explanation
    Liquid nitrogen is used in the Pantnagar Plant as a cryogenic material. Cryogenic materials are substances that are used at extremely low temperatures. Liquid nitrogen has a boiling point of -196 degrees Celsius and is commonly used in industries for freezing and preserving biological samples, cooling electronics, and in cryosurgery. It is also used in the Pantnagar Plant for various purposes such as cryopreservation of seeds, storage of biological samples, and in the production of frozen foods.

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  • 16. 

    Oxygen-enriched Environment is known as?

    • Atmospheres which containing more than 23.5% oxygen by volume

    • The reactivity of oxygen significantly increases the risk of ignition and fire in such Environment

    • Materials that may not burn in normal air may burn vigorously in such Environment

    • All of The above.

    Correct Answer
    A. All of The above.
    Explanation
    An oxygen-enriched environment is known as an atmosphere containing more than 23.5% oxygen by volume. In such an environment, the reactivity of oxygen significantly increases, which poses a higher risk of ignition and fire. Additionally, materials that may not burn in normal air can burn vigorously in an oxygen-enriched environment. Therefore, all of the above statements are correct in describing an oxygen-enriched environment.

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  • 17. 

    Which type of apparatus is used to handle Nitrogen from store to shop in TML Pantnagar?

    • Dewar Flask

    • Cylinder

    • Metal Containers

    • In any type of container

    Correct Answer
    A. Dewar Flask
    Explanation
    A Dewar Flask is a type of apparatus that is commonly used to handle Nitrogen from store to shop in TML Pantnagar. It is specifically designed to store and transport cryogenic fluids such as liquid nitrogen. The Dewar Flask has a double-walled vacuum-insulated structure that helps to maintain the low temperature of the nitrogen. This makes it a suitable choice for safely transferring and storing the nitrogen without it evaporating or losing its properties.

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  • 18. 

    Cylinders that contain corrosive gases should not be stored for longer than:

    • 3 months

    • 6 months

    • 1 year

    • 1 week

    Correct Answer
    A. 6 months
    Explanation
    Cylinders that contain corrosive gases should not be stored for longer than 6 months. This is because corrosive gases can react with the metal of the cylinder over time, leading to degradation and potential leakage. Storing them for longer periods increases the risk of damage to the cylinder and potential hazards. Therefore, it is important to regularly inspect and replace cylinders containing corrosive gases to ensure safety.

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  • 19. 

    Storage of Compressed gas cylinders must be:

    • In upright positions

    • In a dry area

    • In a well ventilated area

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    Compressed gas cylinders must be stored in upright positions to prevent them from falling over and causing damage or injury. Storing them in a dry area is important to prevent the cylinders from rusting or corroding, which can compromise their integrity. Additionally, storing them in a well-ventilated area is crucial to prevent the buildup of any leaked gases, which could be hazardous. Therefore, all of the given options are necessary for the proper storage of compressed gas cylinders.

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  • 20. 

    Moving a compressed gas cylinder from storage to the work area must be done by using a:

    • Sling to drag the cylinder

    • Hand truck

    • Crane

    • Pickup Truck

    Correct Answer
    A. Hand truck
    Explanation
    Moving a compressed gas cylinder from storage to the work area must be done by using a hand truck. A hand truck is specifically designed to safely and efficiently transport heavy objects. It provides stability and control during transportation, reducing the risk of accidents or injuries. Using a sling to drag the cylinder may cause damage to the cylinder or result in a loss of control. A crane or pickup truck may not provide the necessary stability and control required for moving a compressed gas cylinder safely.

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  • 21. 

    Which hazard is associated with liquid nitrogen?

    • Cold burn

    • Oxygen deficiency

    • Gravity

    • Oxygen enrichment

    Correct Answer
    A. Cold burn
    Explanation
    Liquid nitrogen is extremely cold, with a boiling point of -196 degrees Celsius. When it comes into contact with skin or any other body part, it can cause severe frostbite or cold burns. This is because the extreme cold can rapidly freeze the tissues, causing damage to the skin and underlying structures. Therefore, the hazard associated with liquid nitrogen is a cold burn.

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  • 22. 

    TML Pantnagar plant emergency contact no. is:

    • 05944663060

    • 05944663100

    • 05944663020

    • 05944663030

    Correct Answer
    A. 05944663100
    Explanation
    The correct answer is 05944663100. This is the emergency contact number for the TML Pantnagar plant. In case of any emergency or urgent situation at the plant, individuals can contact this number for immediate assistance or support.

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  • 23. 

    What is the full form of NFPA?

    • Northern fire preventive association

    • National Fire Protection Association

    • National federation of pension association

    • Nuclear Foundation peace association

    Correct Answer
    A. National Fire Protection Association
    Explanation
    The correct answer is National Fire Protection Association. The NFPA is a globally recognized organization that aims to reduce the risk of fire and other hazards. They develop and publish codes and standards for fire safety, electrical safety, and other related areas. The organization also provides training, education, and certification programs to promote fire safety awareness and best practices.

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  • 24. 
    This signs is represent: - ProProfs

    This signs is represent:

    • Flammable

    • Corrosion

    • Irritation

    • Explosion

    Correct Answer
    A. Corrosion
    Explanation
    The given signs represent different types of hazards or dangers. The correct answer, "Corrosion," indicates that the sign represents a corrosive substance or material that can cause damage or destruction to other materials upon contact.

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  • 25. 

    What does NIDM stand for?

    • Northern institute of develop management

    • National Institute of disaster management

    • Northern institute of disaster management

    • National institute of Delhi management

    Correct Answer
    A. National Institute of disaster management
    Explanation
    NIDM stands for National Institute of Disaster Management. This institution is responsible for training and capacity building in the field of disaster management. They provide education, research, and policy support to enhance the knowledge and skills of individuals and organizations involved in disaster management.

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  • 26. 

    The information provided in MSDS is distributed in how many sections?

    • 10

    • 12

    • 14

    • 16

    Correct Answer
    A. 16
    Explanation
    The information provided in Material Safety Data Sheets (MSDS) is distributed in 16 sections. MSDS is a document that contains information about the potential hazards, handling, storage, and emergency procedures for a specific substance or product. These sections cover various aspects such as identification, composition, first aid measures, fire-fighting measures, accidental release measures, handling and storage, exposure controls, physical and chemical properties, stability and reactivity, toxicological information, ecological information, disposal considerations, transport information, regulatory information, and other important details related to the substance or product.

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  • 27. 

    Flashpoint is the lowest temperature at which a liquid can form an ignitable mixture in air near the surface of the liquid. 

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The flashpoint is indeed the lowest temperature at which a liquid can form an ignitable mixture in air near the surface of the liquid. This means that if the temperature of a liquid is below its flashpoint, it will not produce enough vapor to ignite in the presence of an ignition source. However, if the temperature is at or above the flashpoint, the liquid can release enough vapor to create a flammable mixture with the air, which can then be ignited. Therefore, the statement is true.

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  • 28. 

    Which of the chemicals that are being used in our plant is having the lowest flash point?

    • Propane

    • Paint

    • Petrol

    • HSD

    Correct Answer
    A. Propane
    Explanation
    Propane has the lowest flash point among the chemicals being used in the plant. Flash point refers to the lowest temperature at which a substance can emit vapors that can ignite when exposed to an ignition source. Since propane is a highly flammable gas, it has a very low flash point compared to the other chemicals listed, making it the correct answer.

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  • 29. 

    If chemical falls on body, our first step should be:

    • Rush to Emergency Room

    • Rush to Open Air

    • Rush to pour water on affected body part

    • Rush to Factory Manager

    Correct Answer
    A. Rush to pour water on affected body part
    Explanation
    When a chemical falls on the body, the first step should be to rush and pour water on the affected body part. This is because water helps to dilute and wash away the chemical from the skin, reducing the risk of further damage or injury. It is important to quickly remove the chemical to minimize its harmful effects. Rushing to the emergency room may be necessary in severe cases or if instructed by medical professionals, but immediate action should be taken to flush the affected area with water to prevent further harm.

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  • 30. 

    A splash of corrosive chemical in the eye what should we do: 

    • Get the victim to an eye wash fountain within 30 seconds

    • The eyewash fountain must be capable of delivering gentle but copious flow of fresh water for at least 15 minutes

    • Someone should call the doctor for further instructions

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    In the event of a splash of corrosive chemical in the eye, it is important to take immediate action to minimize damage. Getting the victim to an eye wash fountain within 30 seconds is crucial as it allows for prompt rinsing of the eye, which can help dilute and remove the chemical. The eyewash fountain must have a gentle but copious flow of fresh water for at least 15 minutes to ensure thorough rinsing. Additionally, calling a doctor for further instructions is necessary as they can provide guidance on any necessary medical treatment or additional steps to take. Therefore, all of the above actions are necessary in such a situation.

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  • 31. 

    What should be taken care of at the time of chemical handling?

    • Flammable liquids shall be stored in closed containers

    • Workplaces must be cleaned regularly & there must not be chemical spills on the floor

    • Use personal protective equipment

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    At the time of chemical handling, it is important to take care of several things. Flammable liquids should be stored in closed containers to prevent any accidents or fires. Workplaces should be cleaned regularly to avoid any chemical spills on the floor, which can be hazardous. Additionally, it is necessary to use personal protective equipment to ensure the safety of the person handling the chemicals. Therefore, all of the options mentioned are important and should be taken care of during chemical handling.

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  • 32. 

    What type of tools should be used on drums/bullets containing flammable liquids?

    • Electrical tools

    • Non-sparking tools

    • Metallic tools

    • None of these

    Correct Answer
    A. Non-sparking tools
    Explanation
    Non-sparking tools should be used on drums/bullets containing flammable liquids because they are specifically designed to reduce the risk of generating sparks, which could potentially ignite the flammable liquid and cause a fire or explosion. These tools are typically made from materials that do not produce sparks when struck or rubbed against other surfaces, such as brass, bronze, or non-ferrous alloys. By using non-sparking tools, the risk of accidental ignition is minimized, ensuring a safer working environment when handling flammable liquids.

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  • 33. 

    How chemical enters in our body?

    • Inhalation

    • Ingestion

    • Skin Contact

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    Chemicals can enter our body through various routes. Inhalation refers to the process of breathing in chemical substances present in the air, which can then be absorbed into our bloodstream through the lungs. Ingestion occurs when we consume food or drinks that may contain chemical contaminants, allowing them to enter our body through the digestive system. Skin contact refers to direct exposure of chemicals to our skin, where they can be absorbed into our bloodstream. Therefore, all of the above routes, inhalation, ingestion, and skin contact, are possible ways for chemicals to enter our body.

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  • 34. 

    What is the color code of the HSD Pipeline in our Pantnagar plant?

    • Blue

    • Yellow

    • Brown

    • Green

    Correct Answer
    A. Brown
    Explanation
    The color code of the HSD Pipeline in our Pantnagar plant is brown.

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  • 35. 

    What is the storage capacity of CNG in our plant?

    • 8 KL

    • 9 KL

    • 10 KL

    • 11 KL

    Correct Answer
    A. 9 KL
    Explanation
    The correct answer is 9 KL. This means that the storage capacity of CNG in the plant is 9 kiloliters.

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  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 04, 2017
    Quiz Created by
    Vbskv

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