A jet engine turbine blade is normally manufactured by____________________?
Correct answer: B. Investment casting
- A. Forging
- B. Investment casting
- C. Shell moulding
- D. Pressure die casting
Explanation
Investment casting can produce intricate turbine blades with accurate dimensions and internal cooling passages, often using high-temperature alloys. Forging and die casting are less suitable for these complex blade geometries.
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