Assuming the inspection interval for a boiler as specified by 46 CFR 61 is 2.5 years, which statement is true?

Correct Answer: Option D — Two tests are required over a 5 year period, and no more than 3 years can elapse between any test or inspection and its immediate predecessor.

Under USCG National Maritime Center examination standards, the accepted correct answer is: Two tests are required over a 5 year period, and no more than 3 years can elapse between any test or inspection and its immediate predecessor..