Pregunta 313
A light bulb burns out above the grill station in the kitchen. The cook replaces it but forgets the protective cover.
What potential risk, if any, has been created?
Physical contamination
Electrical fire
Chemical contamination
Biological contamination
No risk is created
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The correct answer and explanation is:
The correct answer is: Electrical fire.
Explanation:
When a light bulb is installed without its protective cover, especially in areas like the kitchen where heat, moisture, and grease can accumulate, it creates a potential risk for an electrical fire. The protective cover is designed to shield the light bulb from accidental contact with flammable materials or liquids that are present in the environment. In the absence of this cover, several factors can contribute to an increased fire risk:
- Exposure to Heat and Grease: Kitchens are prone to high heat and the presence of grease, both of which can easily ignite if they come into contact with a hot surface, like an exposed light bulb. The cover prevents grease and other flammable substances from coming into direct contact with the bulb, reducing the risk of spontaneous combustion.
- Accidental Contact: The protective cover serves as a barrier that prevents direct contact with the bulb, which can get extremely hot. If the bulb were to come into contact with a flammable object (such as paper towels, clothing, or plastic), it could ignite, leading to a fire. In a kitchen environment, there is always a risk of loose materials coming near light fixtures, and an uncovered bulb exposes these materials to danger.
- Electrical Failure: Without a cover, dust and moisture can accumulate inside the fixture, potentially leading to electrical malfunctions. Moisture or grease can short-circuit the wiring, creating sparks or overheating, which could lead to a fire.
In conclusion, neglecting to install the protective cover after replacing the light bulb in a kitchen setting poses a significant fire hazard. It is essential to ensure that light bulbs in any environment are properly installed and that all safety covers are in place to minimize such risks.