A PCB-containing insulating fluid is commonly referred to by what name?

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Multiple Choice

A PCB-containing insulating fluid is commonly referred to by what name?

Explanation:
Askarel is the name used for PCB-containing insulating liquids that were used in transformers and other electrical gear. These fluids were chosen for good dielectric properties and fire resistance, but PCBs are toxic and persistence makes them hazardous, so such fluids were phased out and replaced with PCB-free options. The term became a generic label for dielectric liquids that contain PCBs, distinguishing them from non-PCB fluids. Mineral oil, synthetic ester, and water-based fluids are all different insulating liquids that do not inherently include PCBs.

Askarel is the name used for PCB-containing insulating liquids that were used in transformers and other electrical gear. These fluids were chosen for good dielectric properties and fire resistance, but PCBs are toxic and persistence makes them hazardous, so such fluids were phased out and replaced with PCB-free options. The term became a generic label for dielectric liquids that contain PCBs, distinguishing them from non-PCB fluids. Mineral oil, synthetic ester, and water-based fluids are all different insulating liquids that do not inherently include PCBs.

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