MMET 207 Exam 3 Questions and Answers | Latest Version | 2024/2025 | Graded A+
0 view 0 purchase
Course
MMET 207
Institution
MMET 207
MMET 207 Exam 3 Questions and
Answers | Latest Version | 2024/2025 |
Graded A+
What is the primary difference between wrought iron and mild steel?
Wrought iron is a low-carbon iron alloy with a fibrous structure, making it ductile and
malleable, while mild steel is a carbon steel with low ...
MMET 207 Exam 3 Questions and
Answers | Latest Version | 2024/2025 |
Graded A+
What is the primary difference between wrought iron and mild steel?
✔✔Wrought iron is a low-carbon iron alloy with a fibrous structure, making it ductile and
malleable, while mild steel is a carbon steel with low carbon content, offering good weldability
and moderate strength.
What is the role of manganese in steel production?
✔✔Manganese acts as a deoxidizer and alloying element in steel, improving hardenability, wear
resistance, and tensile strength while helping to reduce brittleness.
How does the microstructure of steel influence its mechanical properties?
✔✔The microstructure of steel, including the arrangement and size of its grains and phases (like
ferrite and pearlite), directly affects its mechanical properties such as hardness, toughness, and
ductility.
What are the common applications of stainless steel?
1
,✔✔Common applications of stainless steel include kitchen appliances, medical instruments,
construction materials, and automotive components due to its corrosion resistance and aesthetic
appeal.
Explain the term "fatigue failure" in steel structures.
✔✔Fatigue failure refers to the gradual weakening of steel structures due to repetitive loading
and unloading cycles, leading to cracks that can result in sudden structural failure.
Identify the main characteristics of duplex stainless steel.
✔✔Duplex stainless steel has a mixed microstructure of austenite and ferrite, offering high
strength, excellent corrosion resistance, and improved resistance to stress corrosion cracking.
What are some common types of tool steel, and what makes them suitable for cutting tools?
✔✔Common types of tool steel include high-speed steel, cold-work steel, and hot-work steel.
Their specific alloying elements and heat treatment processes enhance hardness, wear resistance,
and ability to withstand high temperatures.
Discuss the importance of steel grades in construction.
2
, ✔✔Steel grades provide essential information about the chemical composition and mechanical
properties of steel, ensuring that the correct material is used for specific applications in
construction to meet safety and performance standards.
What is the process of "pickling" in steel treatment?
✔✔Pickling is a chemical process used to remove rust, scale, and impurities from the surface of
steel, usually involving the use of acid solutions to prepare the steel for further processing or
finishing.
How does carbon content affect the properties of steel?
✔✔Higher carbon content in steel increases its hardness and strength but decreases ductility and
toughness, making it more brittle.
What are the main categories of steel based on carbon content?
✔✔The main categories of steel based on carbon content are low-carbon steel (up to 0.3%
carbon), medium-carbon steel (0.3% to 0.6% carbon), and high-carbon steel (0.6% to 1.5%
carbon).
Describe the difference between structural steel and carbon steel.
3
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 SterlingScores. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.96. You're not tied to anything after your purchase.
