100% CORRECT ANSWERS
\.9 pillars of industry - ANSWERS✔-virtual reality
additive manufacturing
internet of things
big data
cloud computing
advanced simulation
autonomous robots
universal integration
cyber security
\.Manufacturing - ANSWERS✔--the making of things on a large scale
-by hand or machine with division of labor
\.Basic Manufacturing Processes - ANSWERS✔-Casting
Forming
Machining
Joining
Additive Manufacturing
,\.Largest Manufacturer - ANSWERS✔-China (passed US in 2010)
\.U.S. Manufacturing - ANSWERS✔--second largest
-$2.35 trillion output
-18% of world manufacturing (was @ 29% in 80's)
-12% of economy
\.ferrous (iron based) metals and alloys - ANSWERS✔-iron
steel
\.nonferrous metals and alloys - ANSWERS✔-copper (copper-zinc=brass, cropper-
tin=bronze)
aluminum
magnesium
zinc
titanium
\.alloy - ANSWERS✔-- material made of two or more different elements
- major component is metal
\.steels - ANSWERS✔-iron-carbon alloy containing < wt. 2% carbon
, \.cast iron - ANSWERS✔-iron-carbon alloy containing > wt. 2% carbon
\.aluminum - ANSWERS✔-most common metal in Earth's crust, almost twice as
abundant as iron
\.crystalline structure - ANSWERS✔--solid metals and minerals
- atoms arranged in 3 dimensional lattice
\.amorphous structure - ANSWERS✔--plastics
-certain degree of local order
\.Generally speaking, which structure has a better ductility (ability to deform with
fracture)? - ANSWERS✔-face-centered cubic
\.Generally speaking, metals have _____________ thermal conductivity than
plastics. - ANSWERS✔-higher
\.On Boeing 787 airplanes, which type of material is used the most? - ANSWERS✔-
composites
\.What materials are used to mint the 25c coins now? - ANSWERS✔-copper/nickel
\.plastics - ANSWERS✔--synthetics or semi-synthetics organic amorphous solid
materials, mostly petroleum based