Engine: Steam Plants

1. A auxiliary stop valve fully open and the auxiliary stop-check valve used to regulate the amount of flow
2. B auxiliary stop and stop-check valves fully open and the feed pump speed used to regulate the amount of flow
3. C auxiliary stop-check valve fully open and the auxiliary stop valve regulated by the feed water regulator
4. D auxiliary stop-check valve fully open and the auxiliary stop valve used to regulate the amount of flow

Tip: press A-D to answer