To minimize corrosion, fuel oil strainer disks, spacers and scraper blades are made of __________.
Official USCG Answer & Rule Citation
Correct Answer: Option D — monel metal or stainless steel
Fuel oil systems handle corrosive acidic condensates and heavy distillates; therefore, strainer components must be fabricated from highly corrosion-resistant alloys like monel metal or stainless steel to prevent structural degradation and filter element failure.
100% Free & Open Access — No daily limits, paywalls, or gated answers on BrightMariner.