Engine: Steam Plants

1. A Excessive centrifugal force causes spring loaded fly balls to actuate a control lever.
2. B Excessive speed causes an increase in lube oil control temperature which actuates a solenoid oil dump valve.
3. C 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.
4. D Excessive centrifugal force causes a spring loaded weight to trip a valve latch.

Tip: press A-D to answer