| 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? |
| A) The thermal overload has tripped and must be reset. |
| B) The circuit for the supply fan is wired for low voltage release. |
| C) The main breaker for the supply fan on the switchboard has tripped and must be reset manually. |
| D) The circuit for the supply fan is wired for low voltage protection. |
