“3D printing” has applications in which of the following ?
- 1.Preparation of confectionery items
- 2.Manufacture of bionic ears
- 3.Automotive industry
- 4.Reconstructive surgeries
- 5.Data processing technologies
Select the correct answer using the code given below :
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Answer: D. 3D printing is used to make chocolates and confectionery, bionic ears, car parts and prototypes, implants for reconstructive surgery, and also hardware components for data processing. So all five.
Watch for: Food and data processing sound unlikely for printing, so students leave them out.
Why the other options are wrong
- A. Wrong because bionic ears and data processing are also applications.
- B. Wrong because confectionery and surgery are also applications.
- C. Wrong because bionic ears, automotive and data processing are also applications.
Source to check: Ministry of Electronics and IT, 'National Strategy for Additive Manufacturing' background notes; NITI Aayog/DST material on additive manufacturing
Answer from the official UPSC key. Written and fact-checked by AI against the official key. Spotted a mistake? Report it.