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WorksheetsAdditive Manufacturing Assessment-1
Total questions: 30
Worksheet time: 19mins
What is Rapid Prototyping?
The process by which a model of the final product can quickly be made
Changing the design of something after production has already begun
When companies or teams are working on multiple aspects of the same design at one time
Designing something while competing against other departments
The following are the starting material of the Additive Rapid Prototyping process, EXCEPT...
Powder
Solid
Liquid
Gas
The starting material of the Stereolithography method is....
Solid
Liquid
Powder
Gas
Which Rapid Prototyping process uses Photo-sensitive liquid as starting material.
Laminated Object Manufacturing
Stereolithography
Selective Laser Sintering
CNC
Which of the following are the process in RP cycle?
Post-processing
Transfer to machine
Pre-processing
Marketing the product
Which one of the process is subtractive prototyping?
5 axis CNC Milling
Fused Deposition Modeling
Digital Light Process (DLP)
Stereolithography Apparatus
Which of the process, the input material are in Liquid form?
SLA
SGC
FDM
MJM
Which of the following is not subtractive process?
Milling
Stereo-lithography
Sawing
EDM
Process of converting STL file model in to layers is
Chopping
Slicing
Cutting
Trimming
Support structures are required for ______.
overhanging portions
thin portions
Thick portions
All of the above
STL file converts curved surfaces into_______.
Polygons
Lines
Surfaces
Non of the above
Select any two aspects of Prototype model
The implementation of the prototype; from the entire product (or system) itself to its sub-assemblies and components.
The form of the prototype; from a physical prototype to a virtual prototype
The degree of the approximation of the prototype; from a very rough representation to an exact replication of the product.
The development of preliminary version to the defined structure
List few inputs of Rapid Prototyping
CAD model
STL file
Physical Object
Point data from digitalizer
Process: CAD model ---> stl file format ---> Transfer to machine ---> ___________?__________
Post process
Build
Machine setup
Remove
2013 to Till date the Rapid Prototyping based product widely used in ____________________ application
Bio medical
Automotive
Aerospace
Space shuttle
Select any one Liquid type RP from following.
SLS
LOM
SGC
FDM
Which process is not a Powdered based Rapid Prototyping
SLS
EBM
MJS
Micro-fabrication
Select few benefits of Rapid Prototyping
Speed
Affordability
Multiple part production/fabrication
Customer can select variety of material
State the statement is True or False: The main purpose of the STL file format is to encode the surface geometry of a 3D object.
(a)
(a) is the process of tiling a surface with one or more geometric shapes such that there are no overlaps or gaps.
Statement -1 : Most liquid-based rapid prototyping systems build parts in a vat of photo-curable liquid resin, an organic resin.
Statement-2 :The cures or solidifies under the effect of exposure to laser radiation, usually in the UV range.
Statement-1 is true and Statement-2 is False
Statement-1 is False and Statement-2 is True
Both statements are true
Both statements are false
A SL machine consists of a build platform (substrate) which is mounted in a vat of resin ___________ type laser is used.
Argon ion laser
UV Helium-Cadmium
UV Helium-Magnesium
Helium ion laser
List few disadvantages of SLA
Printing tends to take a long time.
Resins are comparatively fragile.
SLA printing costs are comparatively lower than DLP
Does not require Support material for steep design.
UV-curable resins which are formulated from photo initiators and reactive liquid monomers.
Photo-polymerization
Stereo lithography
Ionography process
Electrostatic process
Find the next process
None of the above
Select the next process in SGC method:
What is the purpose of using melting wax in SGC Rapid prototype process_________
As support material
As liquid resin
As cavity filling material
All the above
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