Q1. Which of the following materials is most commonly used in aircraft skin?
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Q2. Titanium alloys are primarily used in aerospace because they provide:
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Q3. Which composite material is widely used in modern aircraft fuselage and wings?
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Q4. Magnesium alloys are avoided in aircraft structures mainly due to:
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Q5. What is the primary reason for using honeycomb structures in aircraft panels?
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Q6. Which metal is mainly used in jet engine turbine blades?
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Q7. Ceramic matrix composites in aerospace are used for:
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Q8. The property of a material to resist crack propagation is called:
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Q9. Which aerospace material shows the best fatigue resistance?
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Q10. Superalloys are primarily strengthened by:
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Q11. What is the main drawback of carbon-carbon composites in aerospace?
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Q12. Shape memory alloys used in aerospace rely on:
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Q13. Which material is commonly used for making cockpit windows in aircraft?
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Q14. Cryogenic fuel tanks in rockets are usually made from:
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Q15. Kevlar is primarily used in aerospace for:
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Q16. Which testing method is most suitable for detecting cracks in turbine blades?
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Q17. The main reason aluminum-lithium alloys are used in aerospace is:
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Q18. Which of the following is a thermal protection system used in spacecraft re-entry?
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Q19. What property makes Inconel suitable for jet engine applications?
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Q20. Which joining technique is widely used for composite materials in aerospace?
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