Exam (elaborations)
IMSE 250 Exam 1 (1).
IMSE 250 Exam 1 (1).
[Show more]
Seller
Follow
Content preview
IMSE 250 Exam 1Make_up quizes _______ be given - ANS-Will NOT
Online homework assignments are due______. - ANS-Friday 11:59pm
If you miss an exam will there be a makeup exam? - ANS-YES
Will all manufacturing be moved out of the US? - ANS-NO
The United States accounts for about ____ of global manufacturing in 2013. - ANS-18%
When should you wear eye protection? - ANS-Every moment on the job in a machine shop
Do you need to wear eye protection when you are just visiting a machine shop? - ANS-Yes
Are both steels and cast iron iron-carbon alloys? - ANS-Yes
Aluminum is _______ to be recycled and reused. - ANS-easy
Atoms in most metals have a _______ structure. - ANS-Crystalline
Generally speaking, which structure has a better ductility (ability to deform without fracture)? -
ANS-Face-centered cubic
Generally speaking, metals have _______ thermal conductivity than plastics. - ANS-higher
On Boeing 787 airplanes, which type of material is used the most? - ANS-Composites
What materials are used to mint the 25 cent coin? - ANS-copper and nickle
Density is part of __________ - ANS-physical properties
If we let the young's modulus of AISI 4140 steel be 1, which value will most likely be the young's
modulus of plastics? - ANS-0.1
Can the young's modulus of a material be greatly changed by manufacturing process? -
ANS-No
Can the yield strength of a material be greatly changed by manufacturing process? - ANS-Yes
, If we let the tensile strength of AISI 4140 steel be 1, what value will most likely be the tensile
strength of ceramics? - ANS-0.5
Can the ductility of a material be greatly changed by manufacturing process? - ANS-Yes
Generally speaking, as tensile strength increases, hardness ________. - ANS-Increases
In the Iron-Carbon Equilibrium Diagram, which one of the following phases exists at a high
temperature environment? - ANS-Austenite
Which one of the following represents the most common heat treatment processes? -
ANS-Hardening
Generally speaking, steels are Fe-C alloys with less than about ____ carbon content. - ANS-2%
What order represents the hardness order (from hardest to softest) of the structures? -
ANS-Martensite, bainite, pearlite
Which of the following quenching media quenches the fastest? - ANS-Water
List two products that usually need surface hardening? - ANS-bearing and a gear
Which heat treatment process will give the maximum ductility to a machined metal part? -
ANS-Full annealing
Generally speaking, when heat treatment of steel parts, the faster the cooling rate, the _______
the parts will be after the heat treatment. - ANS-harder
Which one of the following heat treatment methods CANNOT improve the treated metal's
machinability? - ANS-Quenching
In tempering, the work piece needs to be heated to below _________. - ANS-lower
transformation temperature
In annealing, the work piece needs to be heated to ___________. - ANS-upper transformation
temperature
In normalizing, the work piece needs to be heated to above _____________. - ANS-upper
transformation temperature
Typically, the hardness of the steel _________ when tempering temperature increases. -
ANS-increases
Normalizing gives ____________ steel than full annealing. - ANS-stronger and more brittle
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller lydiaomutho. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for CA$11.60. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
79223 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now