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Assignment Questions - 14022_282
Assignment Questions - 14022_284

Aviation Maintenance Ratings - Aviation theories and other practices
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ASSIGNMENT 4 Textbook Assignment: “Corrosion Control.” Pages 4-1 through 4-58. 4-1. What is the greatest threat to the structural integrity of an aircraft? 1. Aircraft design 2. Aircraft weight 3. Metal corrosion 4. Metal composition 4-2. Corrosion is detrimental to the integrity of an aircraft. It alters the structure of the materials that make up the aircraft in what manner? 1. Reduction in strength only 2. Change in mechanical characteristics only 3. Reduction in strength and change in mechanical characteristics 4-3. 4. Decreases aerodynamic efficiency The materials used in the construction of an aircraft are chosen according to their 1.  cost 2. availability 3. corrosion-resistant properties, 4. weight-to-strength ratio 4-4. Metal corrosion is defined as the deterioration of metal as it combines with which of the following elements? 1. Nitrogen 2. Argon 3. Oxygen 4. Helium 4-5. 4-6. 4-7. On naval aircraft, what materials are used most often to separate susceptible alloys from the corrosive environment? 1. Shrouds 2. Paints 3. Sealants 4. Preservatives Which of the following is a description of the flow of electrons during electrochemical attack of a metal? 1. Electrons flow from the anodic area to the cathodic area, resulting in the deterioration of the anodic area 2. Electrons flow from the anodic area to the cathodic area, resulting in the deterioration of the cathodic area 3. Electrons flow from the cathodic area to the anodic area, resulting in the deterioration of the cathodic area 4. Electrons flow from the cathodic area to the anodic area, resulting in the deterioration of the anodic area Which of the following conditions are factors in the electrochemical reaction that causes metals to corrode? 1. Heat and humidity only 2. Heat and moisture only 3. Moisture and humidity only 4. Heat, humidity, and moisture 21







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