The six borescope ports located in the compressor rear frame casing of the marine propulsion gas turbine shown, can be used to inspect all EXCEPT which of the following components? Illustration GT-0006
Official USCG Answer & Rule Citation
Correct Answer: Option A — 14th stage compressor blades.
Under USCG National Maritime Center examination standards, the accepted correct answer is: 14th stage compressor blades..
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