Safety Test #2 - Ss

The given statement is true. The acronym for fire extinguisher use is PASS, which stands for Pull, Aim, Squeeze, and Sweep. This acronym is commonly used to remember the steps to effectively use a fire extinguisher. "Pull" refers to pulling the pin to unlock the extinguisher, "Aim" means aiming the nozzle at the base of the fire, "Squeeze" involves squeezing the handle to release the extinguishing agent, and "Sweep" indicates sweeping the nozzle from side to side to cover the entire fire area.

Both Techs A and B are correct. Tech A accurately defines toxic dust as any dust that contains fine particles that could be harmful to humans or the environment. Tech B suggests that it is a good idea to avoid all dust, regardless of its classification as toxic or not. This aligns with the precautionary principle, which states that it is better to take preventive measures even if the potential harm is uncertain. Therefore, both Techs A and B provide valid perspectives on the issue of dust and its potential harm.

Slip, trip, and fall hazards are indeed present in the shop and can be caused by trash or liquid spills that are not quickly cleaned up or by tools and equipment left lying around. These hazards can lead to accidents and injuries if not addressed promptly.

Technicians should not wear any type of jewelry while on the job as it can pose safety hazards. Dangling necklaces can get caught in machinery or equipment, rings can get stuck or cause injury, and watches can also get caught or damaged. Therefore, none of the above options are safe for technicians to wear while working.

Hair can easily get caught in rotating machinery such as drill presses or running engines. This can happen very quickly and can lead to serious injuries or even death. It is important to keep hair tied back and wear appropriate protective gear when working around such machinery to prevent accidents.

The statement "A dirty shop is a safe shop" is not correct because cleanliness and organization are important factors in maintaining a safe work environment. A dirty shop can lead to hazards such as tripping, slipping, or the spread of bacteria and contaminants. Therefore, it is essential to keep the shop clean and tidy to ensure the safety of everyone working in it.

Both Tech A and Tech B are correct. Tech A is correct because certain tasks may require different types of eye protection, such as safety glasses or goggles. Tech B is correct because removing jewelry and watches and containing hair is important for safety in the workplace to prevent them from getting caught in machinery or causing other hazards. Therefore, both Tech A and Tech B provide valid and important safety advice.

Both Tech A and Tech B are correct. Tech A is correct in stating that clutch linings and brake linings contain asbestos, which is indeed very toxic. Tech B is correct in stating that airborne dust in the shop can cause breathing problems such as asthma and throat infections. Therefore, both technicians are providing accurate information.

During a shop safety inspection, all of the above options can be inspected. Equipment should be checked to ensure it is functioning properly and does not pose any hazards. Materials should be inspected to ensure they are stored safely and do not present any risks. Emergency exits should be inspected to ensure they are accessible, clearly marked, and in good working condition. Therefore, all of these elements are important to consider during a shop safety inspection.

Superficial burns, or first-degree burns, show reddening of the skin and damage to the outer layer of skin only. These burns are considered the mildest and typically heal within a week. They are characterized by pain, redness, and mild swelling. The damage is limited to the epidermis, which is the top layer of the skin. Unlike more severe burns, first-degree burns do not cause blistering or scarring.

Both Student A and Student B are correct. Student A is correct in emphasizing the importance of ensuring personal safety and assessing for any other potential dangers before assisting at the scene of an accident or emergency. Student B is also correct in highlighting the essential steps of checking whether the victim is responsive and breathing, as this information is crucial for determining the appropriate course of action and providing necessary aid. Therefore, both students' statements are valid and important considerations when approaching an accident or emergency situation.

Bending over the object with straight legs is not a recommended practice for lifting an object because it puts strain on the back and increases the risk of injury. Instead, it is important to bend the knees to lower the body, which helps to engage the leg muscles and maintain proper alignment. Placing the feet about shoulder width apart also provides a stable base of support during the lifting process. Therefore, the correct answer is to avoid bending over with straight legs while lifting an object.

Gas welding goggles are specifically designed to protect the eyes from the intense heat, sparks, and bright light produced during oxyacetylene welding. They have a tinted lens to shield the eyes from harmful UV rays and infrared radiation. Sunglasses and safety goggles, on the other hand, do not provide adequate protection against the hazards associated with oxyacetylene welding. Therefore, gas welding goggles are the most suitable choice for eye protection in this scenario.

A material safety data sheet (MSDS) contains detailed information about hazardous materials. It provides important information such as the physical and chemical properties of the material, potential hazards, necessary precautions for safe handling, storage, and disposal, as well as emergency procedures in case of accidents or spills. MSDSs are crucial for ensuring the safety of individuals working with or around hazardous materials, as they provide comprehensive information to help prevent accidents and minimize risks.

A material safety data sheet (MSDS) typically includes information such as the revision date, hazardous ingredients, and fire and explosion data. The revision date is important as it indicates the most recent update of the MSDS, ensuring that users have access to the latest safety information. Hazardous ingredients are listed to inform users about any potentially harmful substances present in the material. Fire and explosion data provide crucial details about the material's flammability and potential hazards in case of fire or explosion. Therefore, all of the mentioned options are typically found on an MSDS.

Both A and B are good practices when it comes to MSDS knowledge. Refreshing your knowledge of MSDS from time to time ensures that you stay up to date with any changes or new information. Consulting the MSDS for proper personal protective equipment (PPE) is important to ensure your safety and the proper handling of hazardous materials.

Replacing a fuel filler cap is not a typical risk factor for fire when handling fuel systems in a shop. This task does not involve any direct contact with fuel or any potential ignition sources. The other options, such as replacing the fuel filter, removing a fuel tank sending unit, and draining a fuel tank, all involve working with fuel and therefore carry a higher risk of fire if proper precautions are not taken.

Tech B is correct. Gasoline and kerosene should never be used to clean hands or any part of a human body. This is because they are highly flammable and can cause skin irritation, chemical burns, and other serious health hazards. It is important to use appropriate cleaning agents that are specifically designed for cleaning hands and are safe for use on the human body.

A hazardous material refers to any substance that can cause harm or damage to people, property, or the environment if not handled properly. This can include chemicals, gases, flammable materials, or radioactive substances. The term "hazardous material" is commonly used in industries, transportation, and emergency response to identify and manage potentially dangerous substances. The proper control and handling of hazardous materials are crucial to prevent accidents, protect individuals, and minimize environmental impact.

The correct answer is "Leave the victim and run for help." This answer is not one of the three important rules of first aid because it goes against the principle of not leaving the victim unattended. In first aid, it is crucial to stay with the victim and provide immediate assistance until trained medical help arrives. Leaving the victim and running for help can delay necessary medical attention and potentially worsen the situation.

Both drum brakes and manual transmission bell housings are sources of toxic dust from a vehicle. Drum brakes produce dust containing harmful substances such as asbestos, heavy metals, and other toxic materials. When the brakes are applied, the friction causes these particles to be released into the air. Similarly, manual transmission bell housings can also produce toxic dust due to the friction between the moving parts. Therefore, both options A and B are correct as they both contribute to the generation of toxic dust from a vehicle.

Tech A is correct. The light from a welding arc is indeed very bright and contains high levels of ultraviolet radiation. This is why welders wear protective gear such as welding helmets with darkened lenses to shield their eyes from the intense light and harmful radiation. The lenses on tinted sunglasses, on the other hand, are not specifically designed for welding and may not provide adequate protection from the bright light and UV radiation emitted by a welding arc.

Both Techs A and B are correct. Tech A is correct in saying that work clothing should be clean and loose enough for movement, as this ensures comfort and safety while working. Tech B is also correct in saying that work clothing should be flame-retardant, as this provides an additional level of protection against potential fire hazards in certain work environments. Therefore, both statements are valid and important considerations for choosing appropriate work clothing.

All of the above options (doors, windows, and exhaust extraction systems) are typical types of ventilation used in a shop. Doors and windows can be opened to allow fresh air to enter the shop and circulate, while exhaust extraction systems are used to remove pollutants and fumes from the shop. By using all of these ventilation methods, a shop can ensure proper air circulation and maintain a healthy and safe environment for workers and customers.

Both Tech A and Tech B are correct. Tech A is correct in saying that embedded objects that cause bleeding should not be removed, as removing them can worsen the bleeding or cause further damage. Tech B is correct in stating that bleeding can be internal or external, as bleeding can occur both inside the body (internal bleeding) or outside the body (external bleeding). Therefore, both technicians are providing accurate information.

Tech B is correct because safety should always be the top priority when dealing with a fire. It is important to assess the situation and only fight the fire if it can be done safely without putting oneself or others at risk. Saving property is important, but it should never be prioritized over personal safety.

Both Tech A and Tech B are correct. Tech A is correct in saying that protective clothing that is not in good condition should be replaced, as it may no longer provide full protection. Tech B is correct in stating that shirts, pants, shoes, and gloves are all considered personal protective equipment (PPE). Therefore, both technicians are providing accurate information.

Both a clean cloth and a moistened cotton swab can be used to remove an object from the eye area. A clean cloth can be used to gently wipe away any foreign objects or debris that may be on the surface of the eye or eyelid. A moistened cotton swab can be used to carefully remove a small object that may be stuck in the eye or eyelid. Using both a clean cloth and a moistened cotton swab provides different options for effectively removing objects from the eye area depending on the situation.

Both Techs A and B are correct. Tech A is correct because safety glasses with the "Z87" marking on the lens and frame are indeed the most common type of eye protection. Tech B is also correct because tinted safety glasses are designed to be worn outside in bright sunlight conditions.

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