BrightMariner
Engine Gas Turbines (Supplementary) USCG Question #4 (Set 1)

What are the two common forms of blade roots?

Official USCG Answer & Rule Citation

Correct Answer: Option D — Fir tree and bulb.

Under USCG National Maritime Center examination standards, the accepted correct answer is: Fir tree and bulb..

100% Free & Open Access — No daily limits, paywalls, or gated answers on BrightMariner.
Back to Engine Gas Turbines (Supplementary) Sets