Rapid Prototyping (2181914) MCQs

MCQs of RP Processes

Showing 41 to 50 out of 84 Questions
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41.
Polymerization happens ______ .
(a) when the light of appropriate wavelength falls on liquid photopolymer
(b) when the light of short wavelength falls on liquid photopolymer
(c) when the light of appropriate wavelength falls on solid photopolymer
(d) all the above mentioned
Answer:

Option (a)

42.
Stereolithography is also called Photopolymerization.
(a) True
(b) False
Answer:

Option (a)

43.
In the process of Selective Laser Sintering, raw material used is in the form of ______.
(a) machining wax
(b) foam core
(c) powder
(d) rubber
Answer:

Option (c)

44.
In Selective Laser Sintering, laser light is also being used.
(a) True
(b) False
Answer:

Option (a)

45.
Explicit support structures are not required in Selective Laser Sintering (SLS).
(a) True
(b) False
Answer:

Option (a)

46.
Which of the following process is suitable for making injection molding tools?
(a) SL
(b) SLS
(c) EBM
(d) FDM
Answer:

Option (b)

47.
Electron beam generation is typically a much more efficient process than laser beam generation.
(a) True
(b) False
Answer:

Option (a)

48.
EBM can only be used to process conductive materials.
(a) True
(b) False
Answer:

Option (a)

49.
Which one of the following is not Extrusion-Based RP Systems?
(a) Fused Deposition Modelling (FDM)
(b) 3D Printing
(c) Sheet Lamination (Laminated Object Manufacturing (LOM))
(d) Electron Beam melting (EBM)
Answer:

Option (d)

50.
In Fused Deposition Modelling (FDM), molten material inside a hot chamber does not extrude through a nozzle.
(a) True
(b) False
Answer:

Option (b)

Showing 41 to 50 out of 84 Questions
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