In which equipment are PCBs commonly used?

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Multiple Choice

In which equipment are PCBs commonly used?

Explanation:
Polychlorinated biphenyls (PCBs) were chosen for their stable, nonflammable dielectric properties, making them ideal as insulating fluids and coolants in electrical equipment. That’s why transformers and capacitors are classic examples where PCBs were commonly used. They were also used in some hydraulic fluids for their stability. They don’t belong in roofing shingles or food packaging, and while electronics contain circuit boards, the question is about PCBs as chemical substances rather than the boards themselves. So, transformers, capacitors, and hydraulic fluids is the best fit.

Polychlorinated biphenyls (PCBs) were chosen for their stable, nonflammable dielectric properties, making them ideal as insulating fluids and coolants in electrical equipment. That’s why transformers and capacitors are classic examples where PCBs were commonly used. They were also used in some hydraulic fluids for their stability. They don’t belong in roofing shingles or food packaging, and while electronics contain circuit boards, the question is about PCBs as chemical substances rather than the boards themselves. So, transformers, capacitors, and hydraulic fluids is the best fit.

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