Essentials Of Materials Science And Engineering
4th Edition
ISBN: 9781337385497
Author: WRIGHT, Wendelin J.
Publisher: Cengage,
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Question
Chapter 1, Problem 1.12P
Interpretation Introduction
(a)
Interpretation:
The reason for which the aluminium is used for airplane bodies is to be explained.
Concept Introduction:
Aluminum is soft, non-magnetic and ductile metal which also forms an alloy by melting with copper silicon.
Interpretation Introduction
(b)
Interpretation:
The reason for polyurethane to be used for alignment of teeth is to be explained.
Concept Introduction:
Polyurethane is a polymer made up of organic units by combining units of urethane. The polyurethane is a thermosetting polymer which does not melt on heating.
Interpretation Introduction
(c)
Interpretation:
The properties of steel making it useful for ball bearing in the bicycles wheel hub are to be explained.
Concept Introduction:
Steel is one of the important engineering and construction materials. It is an alloy of iron and carbon where, carbon is less than 1%.
Interpretation Introduction
(d)
Interpretation:
The reason behind using polyurethane terephthalate for water bottles is to be explained.
Concept Introduction:
Polyurethane terephthalate is the most common thermoplastic polymer used in containers for liquids and foods. It is strong, lightweight plastic used in storage containers for foods and beverages, soft drinks, water, etc.
Interpretation Introduction
(e)
Interpretation:
The reason for the wine bottles to be made up of glass is to be explained.
Concept Introduction:
Glass bottles are chemical free, hence, there is no chemical leeching. They are easy to clean. Glass does not react with any other substance.
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Here the Req is 8 my prof solved it and got R3 is parallel to R4 in series with R2 and this combination is parallel to R1. i don't understand how he got these relationships. initially i did the opposite i took (R1//R4 + R2 ) + R3 but got the wrong answer why is it wrong? can you explain to me if there's a trick i can do to understand these questions better and know the configurations of the resistors in a better manner?
Here the Req is 8 my prof solved it and got R3 is parallel to R4 in series with R2 and this combination is parallel to R1. i don't understand how he got these relationships. initially i did the opposite i took (R1//R4 + R2 ) + R3 but got the wrong answer why is it wrong? can you explain to me if there's a trick i can do to understand these questions better and know the configurations of the resistors in a better manner?
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Chapter 1 Solutions
Essentials Of Materials Science And Engineering
Ch. 1 - Prob. 1.1PCh. 1 - Prob. 1.2PCh. 1 - Prob. 1.3PCh. 1 - Prob. 1.4PCh. 1 - Prob. 1.5PCh. 1 - Prob. 1.6PCh. 1 - Prob. 1.7PCh. 1 - Prob. 1.8PCh. 1 - Prob. 1.9PCh. 1 - Prob. 1.10P
Ch. 1 - Prob. 1.11PCh. 1 - Prob. 1.12PCh. 1 - Prob. 1.13PCh. 1 - Prob. 1.14PCh. 1 - Prob. 1.15PCh. 1 - Prob. 1.16PCh. 1 - Prob. 1.17PCh. 1 - Prob. 1.18PCh. 1 - Prob. 1.19PCh. 1 - Prob. 1.20PCh. 1 - Prob. 1.21PCh. 1 - Prob. 1.22PCh. 1 - Prob. 1.23PCh. 1 - Prob. 1.24PCh. 1 - Prob. 1.25PCh. 1 - Prob. 1.26PCh. 1 - Prob. 1.27PCh. 1 - Prob. 1.28PCh. 1 - Prob. 1.29PCh. 1 - Prob. 1.30PCh. 1 - Prob. 1.31PCh. 1 - Prob. 1.32PCh. 1 - Prob. 1.33PCh. 1 - Prob. 1.34PCh. 1 - Prob. 1.35P
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