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220-1101 · Question #664
220-1101 Question #664: Real Exam Question with Answer & Explanation
The correct answer is B: 3-D printer. A printer that uses polylactic acid (PLA) as a consumable is a 3-D printer, as PLA is a common thermoplastic filament used in fused deposition modeling (FDM) additive manufacturing.
Hardware
Question
A printer unexpectedly runs out of consumables in the middle of a print job. The printer requires polylactic acid (PLA) consumables. Which of the following printers is being used?
Options
- AImpact printer
- B3-D printer
- CLaser printer
- DInkjet printer
Explanation
A printer that uses polylactic acid (PLA) as a consumable is a 3-D printer, as PLA is a common thermoplastic filament used in fused deposition modeling (FDM) additive manufacturing.
Common mistakes.
- A. Impact printers use ribbons and pins to strike paper, and do not use PLA.
- C. Laser printers use toner powder and a drum to print images, not PLA.
- D. Inkjet printers use liquid ink cartridges to spray ink onto paper, and do not use PLA.
Concept tested. 3-D printing consumables
Topics
#3D printer#Consumables#PLA#Printer types
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