B) Galvanic corrosion (due to dissimilar metals and trapped moisture).
What is the maximum allowable depth of fretting corrosion removal on a steel landing gear axle? A) 0.001 inch (0.0254 mm) B) 0.010 inch (0.254 mm) C) 0.100 inch (2.54 mm) D) None – fretting is not repairable easa module 6 question bank pdf
What type of corrosion is most likely to occur in the crevices of a riveted aluminum lap joint? A) Pitting corrosion B) Galvanic corrosion C) Exfoliation corrosion D) Intergranular corrosion B) Galvanic corrosion (due to dissimilar metals and
Which marking indicates an AN bolt made of 2024 aluminum alloy? A) A single dash on the head B) Two raised dashes on the head C) An “X” on the head D) No marking A) Pitting corrosion B) Galvanic corrosion C) Exfoliation
B) Two raised dashes on the head (AN aluminum bolts have two dashes; steel bolts have no dash).