In the illustration of a typical ship service turbo generator control system, the handle labeled "B" is used to _______________. Illustration SE-0009

Correct Answer: Option B — reset the over speed trip

Mechanical overspeed trip mechanisms on ship service turbo generators feature a manual reset handle. Pulling or operating this linkage resets the trip latch and opens the trip-throttle valve after an emergency shutdown, restoring steam flow to the turbine once normal operating conditions are verified.