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Question 2,310 of 1,128

In accordance with 46 CFR 61, which of the following pressure vessels listed on the ship's Certificate of Inspection would be exempt from hydrostatic testing?

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Comments from mariners who studied this question.

sb sboston · Feb 7, 2017
A is technically correct because it doesn't exist. What, does it remove "ar" from your future feed water? I hope that it isn't spelled that way on the tests.
Jo Joseph.fisher · Nov 8, 2017
to comment above. A DFT does exist. Used on boiler feedwater to remove dissolved O2 from the water.