Electrical Engineering · Switchgear and Protection
Which of the following statements represents a CHARACTERISTIC DISADVANTAGE of an Air Blast Circuit Breaker compared to an Oil Circuit Breaker?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Risk of fire hazard is completely eliminated.
- 2The time for which the arc persists is long and unpredictable.
- 3It provides a facility for high-speed reclosure.
- 4An air compressor plant is required, which adds to high maintenance and cost.✓
Correct answer
An air compressor plant is required, which adds to high maintenance and cost.
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