Live Quiz Arena
🎁 1 Free Round Daily
⚡ Enter ArenaQuestion
← TechnologyWhich electrical breakdown outcome occurs when high voltage transformer oil contains excessive moisture?
A)Increased dielectric constant, reducing stress
B)Arcing between windings, causing short circuit✓
C)Reduced transformer hum due to dampening
D)Accelerated core saturation limiting current
💡 Explanation
When transformer oil contains excessive moisture, its dielectric strength decreases because water is a polar molecule interfering with insulation properties, leading to easier electrical breakdown and arcing. Therefore, arcing between windings & short circuits results, rather than reduced stress, noise reduction, or core saturation, which require different conditions.
🏆 Up to £1,000 monthly prize pool
Ready for the live challenge? Join the next global round now.
*Terms apply. Skill-based competition.
Related Questions
Browse Technology →- Which operational limit directly threatens a turbofan engine's compressor stall?
- Which outcome occurs when a proportional valve in an industrial hydraulic system experiences rapid thermal expansion?
- Which computation burden increases rapidly with joint number in robotic arms?
- Which outcome occurs when a PID temperature controller experiences integral windup in a chemical reactor's heating system?
- Which consequence results when dispersion exceeds guard interval?
- Which long-term consequence occurs when chloride ions penetrate prestressed concrete bridge deck?