What is boiler carryover and what are common causes?

• A. Water leaks from the boiler shell; caused by corrosion.
• B. Entraining boiler water solids into steam; caused by high solids, high alkalinity, poor water treatment, dirty surfaces, high firing rate, or excessive pressure.
• C. Fuel impurities causing flame instability.
• D. Condensing steam into water; caused by low pressure.

Answer: (B)