Question Six SIsel is a very important material in modern day manufacturing processes. Answer the following questions regarding steel: (a) Using a well-labelled and neat sketch, discuss the electric arc steelmaking process. (b) Mention four types of steel and their specific applications. (c) Using a neat sketch, show the relationship of hardness versus carbon percentage in a stecl with carbon percentage ranging from 0 to 1.4. Explain the importance of high hardness values in the range 1.0 to 1.4 %C and give two practical applications. (d) Figure 2 on the left shows a railway profile with an upper flange (1), web (2) and lower flange (3). After coming out of the rolling mill, the railway section with the shown profile requires normalising as a heat treatment. Figure 2: Railway profile By referring to the flanges and the web in the profile, explain what is normalising and why it is important in a railway section.
Question Six SIsel is a very important material in modern day manufacturing processes. Answer the following questions regarding steel: (a) Using a well-labelled and neat sketch, discuss the electric arc steelmaking process. (b) Mention four types of steel and their specific applications. (c) Using a neat sketch, show the relationship of hardness versus carbon percentage in a stecl with carbon percentage ranging from 0 to 1.4. Explain the importance of high hardness values in the range 1.0 to 1.4 %C and give two practical applications. (d) Figure 2 on the left shows a railway profile with an upper flange (1), web (2) and lower flange (3). After coming out of the rolling mill, the railway section with the shown profile requires normalising as a heat treatment. Figure 2: Railway profile By referring to the flanges and the web in the profile, explain what is normalising and why it is important in a railway section.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Transcribed Image Text:Question Six
Sieel is a very important material in modern day manufacturing processes. Answer the following
questions regarding steel:
(a) Using a well-labelled and neat sketch, discuss the electric arc steelmaking process.
(b) Mention four types of steel and their specific applications.
(c) Using a neat sketch, show the relationship of hardness versus carbon percentage in a steel with
carbon percentage ranging from 0 to 1.4. Explain the importance of high hardness values in the range
1.0 to 1.4 %C and give two practical applications.
(d)
Figure 2 on the left shows a railway profile with an upper flange
(1), web (2) and lower flange (3). After coming out of the rolling
mill, the railway section with the shown profile requires normalising
as a heat treatment.
3*
Figure 2: Railway profile
By referring to the flanges and the web in the profile, explain what is normalising and why it is
important in a railway section.
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