3D Printing - GS questions based on daily current affairs

1)   Which of the following statements is/are correct about 3-D Printing?

1. 3D printing is based on methods of applying a 2D image on a 3D surface
2. The 3D printer can print with anything that can be dispensed from a syringe as liquid or paste.


a. Only 1
b. Only 2
c. Both
d. None
Answer  Explanation 

ANSWER: Both

Explanation:
- 3D printing is based on methods of applying a 2D image on a 3D surface, a system for generating three-dimensional objects by creating a cross-sectional pattern of the object to be formed.
- 3D scanning is the process of analyzing and collecting data of real object; its shape and appearance and builds digital, three dimensional models.
- 3D Printing employs additive layer processes, where successive layers of materials are laid down in different shapes.


2)   Which of the following statements is/ are correct?

1. The Food and Drug Administration has approved the first prescription drug made through 3-D printing.
2. It will treat the seizures which are changes in the brain's electrical activity.


a. Only 1
b. Only 2
c. Both
d. None
Answer  Explanation 

ANSWER: Both

Explanation:
Seizures are changes in the brain's electrical activity. This can cause dramatic, noticeable symptoms or even no symptoms at all. The symptoms of a severe seizure are often widely recognized, including violent shaking and loss of control. Seizures are caused by Epilepsy or from too much alcohol, heroin, cocaine, ecstasy, antidepressants and many others.