What is the purpose of tying boiler drum level control to feedwater pump start/stop interlocks?

• A. To ensure feedwater is supplied only when water level is within a safe range, preventing dry firing or water hammer.
• B. To coordinate the feedwater pump start with the drum level so water cannot be added when the level is unsafe.
• C. To allow continuous feedwater regardless of level.
• D. To prevent any interlock from tripping during normal operation.

Answer: (B)