Under EMERGENCY operating conditions with the main feed valve malfunctioning, what should be the proper valve positions for controlling feedwater to the boiler?

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Accepted Answer

auxiliary stop valve fully open and the auxiliary stop-check valve used to regulate the amount of flow

Answer

auxiliary stop-check valve fully open and the auxiliary stop valve regulated by the feedwater regulator

Answer

auxiliary stop and stop-check valves fully open and the feed pump speed used to regulate the amount of flow

Answer

auxiliary stop-check valve fully open and the auxiliary stop valve used to regulate the amount of flow

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