Question 510Electricity & Electronics - Assistant Engineer

70% to pass

What is the most common and reliable type of circuit breaker used for high voltage practice aboard ship?

Aoil-break
Bgas-break
Cair-break
Dvacuum-break
AI Explanation

The correct answer is D) vacuum-break. Vacuum-break circuit breakers are the most common and reliable type of circuit breaker used for high voltage practice aboard ships. This is because vacuum-break circuit breakers are well-suited for maritime applications due to their compact size, low maintenance requirements, and ability to reliably interrupt high-voltage electrical circuits. In contrast, the other options such as oil-break, gas-break, and air-break circuit breakers are less commonly used in modern marine electrical systems.

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Official Resources
46 CFR Electrical Engineering 46 CFR Machinery & Electrical USCG National Maritime Center
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