| Which of the following statements describes how the main propulsion turbine over speed relay initiates closing of the throttle valve? |
| A) Excessive centrifugal force causes spring loaded fly balls to actuate a control lever. |
| B) Excessive speed causes an oil pump to develop sufficient pressure to open a spring loaded relay valve which tends to close the steam control valve. |
| C) Excessive speed causes an increase in lube oil control temperature which actuates a solenoid oil dump valve. |
| D) Excessive centrifugal force causes a spring loaded weight to trip a valve latch. |
