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- Chief Engineer (Steam-Motor-Gas Turbine Plants (Limited)) »
- Q604 - Electrical, Electronic, & Control Engineering
114. The greatest cause of electrical failures is the breakdown of insulation. What factors would you use to determine the frequency of cleaning of electrical apparatus to avoid future failures?
Cleaning frequency should be determined by visual inspection of accumulated dirt on the windings, as this directly indicates the need for cleaning and prevents insulation failure due to contamination.
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