IMSE 250 EXAM 1 (Answered)
2025/2026, 146 Q&A. 100% Verified.
Between manufacturing and service sectors, which one produces more uniform output?
manufacturing
The US accounted for about ____ % of global manufacturing in 2016.
18
In 2018, about ____ % of US GDP came from US manufacturing.
12
What are the 9 pillars of industry 4.0?
Virtual Reality
Additive Manufacturing
Internet of Things
Big Data
Could Computing
Advanced Simulation
Autonomous Robots
Universal Integration
Cyber Security
(T/F) Both cast iron and steel are iron-carbon alloys.
True
The carbon content in T10 tool steal is about ____ %.
1
Both brass and bronze contain copper. (T/F)
True
Atoms in most metals have a _____ structure.
crystalline
Generally speaking, which structure has a better ductility (ability to deform with fracture)?
face-centered cubic
Generally speaking, metals have ______ thermal conductivities than plastics.
higher
What material is used most on Boeing 787 airplanes?
composite
, What materials are used to mint quarters now?
Copper and Nickel
Density is one of a material's ________.
physical properties
If the young's modulus of AISI 4140 steel is 1, which value is most likely the young's modulus of
plastics?
0.1
(Y/N) Can the young's modulus of a material be greatly changed by manufacturing processes?
No
(Y/N) Can the yield strength of a material be greatly changed by manufacturing processes?
Yes
(Y/N) Can the ductility of a material be greatly changed by manufacturing processes?
Yes
Why was it hard to bend the copper tubing (or paperclip) back to shape?
Yield strength increased by strain hardening
Generally speaking, as tensile strength increases, material's ductility ______.
decreases
Generally speaking, as tensile strength increases, material's hardness
increases
What is NOT a purpose of heat treatment?
To alter the shape of a part
What is the most common heat treatment process?
Hardening
What is the hardness order (from hardest to softest) of the structures?
Martensite> Bainite> Pearlie
Which one of the following quenching media quenches the fastes?
a. water
b. oil.
c. air
water
Surface hardening is helpful to create components that must have a very ______ surface to resist
wear and a _____ interior to resist the impact that occurs during operation.
hard, tough
2025/2026, 146 Q&A. 100% Verified.
Between manufacturing and service sectors, which one produces more uniform output?
manufacturing
The US accounted for about ____ % of global manufacturing in 2016.
18
In 2018, about ____ % of US GDP came from US manufacturing.
12
What are the 9 pillars of industry 4.0?
Virtual Reality
Additive Manufacturing
Internet of Things
Big Data
Could Computing
Advanced Simulation
Autonomous Robots
Universal Integration
Cyber Security
(T/F) Both cast iron and steel are iron-carbon alloys.
True
The carbon content in T10 tool steal is about ____ %.
1
Both brass and bronze contain copper. (T/F)
True
Atoms in most metals have a _____ structure.
crystalline
Generally speaking, which structure has a better ductility (ability to deform with fracture)?
face-centered cubic
Generally speaking, metals have ______ thermal conductivities than plastics.
higher
What material is used most on Boeing 787 airplanes?
composite
, What materials are used to mint quarters now?
Copper and Nickel
Density is one of a material's ________.
physical properties
If the young's modulus of AISI 4140 steel is 1, which value is most likely the young's modulus of
plastics?
0.1
(Y/N) Can the young's modulus of a material be greatly changed by manufacturing processes?
No
(Y/N) Can the yield strength of a material be greatly changed by manufacturing processes?
Yes
(Y/N) Can the ductility of a material be greatly changed by manufacturing processes?
Yes
Why was it hard to bend the copper tubing (or paperclip) back to shape?
Yield strength increased by strain hardening
Generally speaking, as tensile strength increases, material's ductility ______.
decreases
Generally speaking, as tensile strength increases, material's hardness
increases
What is NOT a purpose of heat treatment?
To alter the shape of a part
What is the most common heat treatment process?
Hardening
What is the hardness order (from hardest to softest) of the structures?
Martensite> Bainite> Pearlie
Which one of the following quenching media quenches the fastes?
a. water
b. oil.
c. air
water
Surface hardening is helpful to create components that must have a very ______ surface to resist
wear and a _____ interior to resist the impact that occurs during operation.
hard, tough
