After a black out onboard and once ships power has been restored, the engine room supply fans must be started manually. What characteristic of the electrical circuit for the supply fans cause this requirement?

Question

Accepted Answer

The circuit for the supply fan is wired for low voltage protection.

Answer

The thermal overload has tripped and must be reset.

Answer

The circuit for the supply fan is wired for low voltage release.

Answer

The main breaker for the supply fan on the switchboard has tripped and must be reset manually.

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