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← TechnologyWhich risk increases when a transformer's protective gas-blast circuit breaker incorrectly actuates?
A)Increased core saturation
B)Localized winding hotspots
C)Catastrophic tank rupture✓
D)Elevated dielectric stress
💡 Explanation
A gas-blast circuit breaker malfunctioning introduces sustained arcing, initiating rapid gas decomposition leading to pressure surge; because the internal pressure exceeds tank limits, therefore catastrophic mechanical failure results, rather than manageable electrical anomalies.
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