D27 - Additive Manufacturing

Q.1

The presenter Dr. Guha Manogharan, Assistant Professor at Youngstown State University, discussed that Additive Manufacturing or 3D printing enables us to create products that require very few parts to be manufactured. He referred to a jet fuel nozzle that was made by GE Aviation. In the past, 19 parts were needed to build the nozzle. Using 3D printing, how many parts comprise the nozzle?

1
3
5
7

Q.2

In the 1980’s, Additive Manufacturing was referred to as _________.

Rapid Manufacturing
Polymer Additives
Rapid Prototyping
Polymer Prototyping

Q.3

Which of the following can now be printed using a 3D Printer?

Metals
Ceramics
Tissues & bones
All of the above

Q.4

Which of the following is not an application of Binder Jetting?

Printing sand tooling for metal casting
Parts for the oil & gas industry
Parts benefitting from porosity
Printing sand tooling for plastic casting

Q.5

Which of the following is a disadvantage of Directed Energy Deposition?

Can make large volume of parts quickly and relatively inexpensive
Good for multi-materials and graded material builds
Supports require a lot of preplanning
Great for tooling repair