While your vessel is steaming at a constant...

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Question 1 of 205eccefa0bacbc34ba4d46d1e

While your vessel is steaming at a constant rate, the alkalinity in one of the boilers is decreasing steadily without requiring the use of extra makeup feed water. This condition could be caused by a leak in the __________.

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🔍 Key Concepts

• boiler water chemistry and what alkalinity indicates about contamination or dilution • how leaks on the water side vs. steam side of components affect boiler water concentration • the normal flow path of feedwater and steam: boiler → superheater/desuperheater → economizer → condenser, etc.

💭 Think About

• Think about which component, if leaking, would allow relatively pure water (with little or no treatment chemicals) to enter or leave the boiler and steadily lower alkalinity without changing feed rate. • Consider whether each option is normally on the water side or steam side, and if its leak would introduce raw seawater, condensate, or something else into the boiler water. • Ask yourself: does a leak here mix untreated water directly with boiler water, or would it mainly affect heat transfer or steam temperature instead?

✅ Before You Answer

• For each choice, decide if the leak would change boiler water concentration (chemicals per unit water) or mainly change temperature/pressure only. • Verify where boiler treatment chemicals are added and where they travel; which listed component actually contains treated boiler water versus dry steam or relatively pure condensate. • Check which component, if leaking, would cause a gradual dilution of boiler water rather than a rapid loss of level or obvious external leakage.

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