BBS : Hazardous Materials

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Which of the following substances is known for causing lung diseases such as asbestosis, lung cancer, and mesothelioma?

• Diesel fuel

• Ammonia

• Asbestos

• Varnish

Answer explanation

The question asks about a substance that causes diseases such as asbestosis, lung cancer, and mesothelioma. Among the given choices, Asbestos is known for causing these specific health issues. Neither diesel fuel, ammonia, nor varnish have such impacts on lung health to this extent.

Which of the following substances can cause irritation to the eyes and respiratory tract, and high concentrations can lead to severe injury or death?

• Ammonia

• Diesel fuel

• Oil

• Paint

Answer explanation

Ammonia is a powerful irritant and can cause severe injury or even death at high concentrations. Its properties make it more hazardous than options such as Diesel fuel, Oil or Paint, which do not have the same level of potential harm to the eyes and respiratory tract. Thus, the correct answer to the question is Ammonia.

Which of the following substances can displace oxygen in the air, which can lead to suffocation, and can be harmful to the ozone layer?

• Varnish

• Ammonia

• Diesel fuel

• Asbestos

Answer explanation

Asbestos is the correct answer. It's a fibrous, naturally occurring mineral. When disturbed, microscopic fibers are released into the air. When inhaled, these fibers can displace oxygen in the lungs, leading to suffocation. Furthermore, asbestos is known to be harmful to the ozone layer.

Which of the following substances may emit VOCs, contributing to respiratory issues, headaches, and other health concerns, and is flammable?

• Cleaning agents

• Varnish

• Coatings/Paints

• Fuel/Oils

Answer explanation

The correct answer is varnish. Varnish is a clear transparent hard protective finish or film used in wood finishing. It contains high levels of volatile organic compounds (VOCs) which can contribute to respiratory issues, headaches and other health concerns. Moreover, varnish is highly flammable, posing a significant fire risk if not handled properly.

Which of the following substances may contain harsh chemicals that can cause skin, eye, and respiratory irritation?

• Coatings/Paints

• Fuel/Oils

• Cleaning agents

• Varnish

Answer explanation

Cleaning agents may contain harsh chemicals that can cause skin, eye, and respiratory irritation. While other options like Coatings/Paints, Fuel/Oils, and Varnish can also potentially cause harm, the question specifically highlights the risk associated with cleaning agents. Hence, Cleaning agents is the correct answer.

Which of the following substances can be highly flammable and may emit fumes that cause dizziness, headaches, or more severe health effects?

• Varnish

• Coatings/Paints

• Cleaning agents

• Fuel/Oils

Answer explanation

Coatings and paints contain organic solvents and compounds, which make them highly flammable. When these substances evaporate, they emit fumes that can cause various health effects such as dizziness and headaches. Therefore, among all the substances listed in the question, Coatings/Paints are the most likely to exhibit these characteristics.