Question 332General Subjects - 1st Asst/Chief

70% to pass

If a vessel is to be laid up for an extended period of time with minimal utilities provided from ashore, boilers may be laid up dry. What statement concerning dry boiler lay-up is true as it relates to protecting boiler watersides?

AThe steam and water drums should be opened up to permit air circulation. Under no circumstances should desiccant be placed inside the closed-up steam and water drums.

BDesiccant should be placed inside the steam and water drums and the drums should be opened to permit air circulation.

CDesiccant should be placed inside the closed-up steam and water drums. Under no circumstances should the steam and water drums be opened up to permit air circulation.

DThe steam and water drums can be opened up to permit air circulation, or as an alternative desiccant can be placed inside the closed-up steam and water drums.

AI Explanation

The correct answer is D. The statement is true as it relates to protecting boiler watersides during dry boiler lay-up. When a vessel is to be laid up for an extended period with minimal utilities, the steam and water drums can either be opened up to permit air circulation or desiccant can be placed inside the closed-up drums. This allows for proper preservation of the boiler watersides and prevents corrosion during the lay-up period. The other options are incorrect because A prohibits the use of desiccant, B requires both opening the drums and using desiccant, and C requires the use of desiccant without any air circulation, which would not adequately protect the boiler watersides.

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