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With reference to 3D Printing which of the following statements is/are correct?
  1.  3D Printing technique was invented in the 1980s by John McCarthy.
  2.  3D printers construct the desired object by using the subtractive manufacturing processes.
Select the correct answer using the code given below: 
  • a)
     1 only
  • b)
     2 only 
  • c)
     Both 1 and 2
  • d)
     Neither 1 nor 2
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
With reference to 3D Printing which of the following statements is/are...
 Both the statements are not correct.
  •  India’s first 3D printed Post Office was inaugurated in Bengaluru’s Cambridge Layout.
  •  3D Printing is a process that uses computer-created design to make three-dimensional objects  layer by layer.
  • 3D Printing was invented in the 1980s by Charles W. Hull. 
  • 3D printers construct the desired object by using a layering method, opposite of the subtractive  manufacturing processes. 
 Here layers of a material like plastic, composites or bio-materials are built up to construct  objects that range in shape, size, rigidity and color
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Community Answer
With reference to 3D Printing which of the following statements is/are...
Explanation:

3D Printing Technique:
- The statement that 3D printing technique was invented in the 1980s by John McCarthy is incorrect. 3D printing technology was actually invented by Chuck Hull in 1983, who is also known as the father of 3D printing.

3D Printers and Manufacturing Processes:
- The statement that 3D printers construct the desired object by using subtractive manufacturing processes is incorrect. In reality, 3D printers use additive manufacturing processes where materials are deposited layer by layer to create a three-dimensional object.
Therefore, the correct answer is option 'D' - Neither 1 nor 2.
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With reference to 3D Printing which of the following statements is/are correct? 3D Printing technique was invented in the 1980s by John McCarthy. 3D printers construct the desired object by using the subtractive manufacturing processes.Select the correct answer using the code given below:a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'D'. Can you explain this answer?
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