Differentiate continuous blowdown from manual blowdown and explain why each is used?

• A. Continuous blowdown removes dissolved solids automatically during operation; manual blowdown is periodic to control total dissolved solids and chemistry.
• B. Manual blowdown removes condensate from steam lines.
• C. Continuous blowdown adds chemicals; manual blowdown removes steam.
• D. Continuous blowdown is manual; manual blowdown is automatic.

Answer: (A)