Thinking Like an Engineer: An Active Learning Approach (4th Edition)
4th Edition
ISBN: 9780134639673
Author: Elizabeth A. Stephan, David R. Bowman, William J. Park, Benjamin L. Sill, Matthew W. Ohland
Publisher: PEARSON
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Textbook Question
Chapter 11, Problem 8ICA
The decay of a radioactive isotope can be modeled using the following equation, where C0 is the initial amount of the element at time zero and k is the half-life of the isotope. Create a graph of the decay of isotope A [k = 1.48 hours]. Allow time to vary on the abscissa from 0 to 5 hours with an initial concentration of 10 grams of isotope A.
C=C0e-t/k
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Consider a process to prepare a metal for a certain application. There are five parameters that must be considered:
temperature, quenching rate, cooling time, carbon content, CO₂ concentration. It is desired to determine which of
these parameters has the most influence on the process. There are two levels for each parameter as shown below.
Temperature (°C)
Quenching Rate(°C/s)
Cooling time (s)
Carbon Content (wt% C)
CO₂ Concentration (%)
Eight experiments were defined as follows:
Experiment
Carbon
Content
(wt% C)
1
2
3
4
5
6
7
8
1) What size orthogonal array should be used for evaluation (assume noise is negligible)?
2) Generate the array with the level values (i.e. Level 1 and Level 2).
1
1
1
1
6
6
6
6
Quenching
Rate (°C/s)
35
35
140
140
35
35
140
140
Four trials were run for the experiments defined above:
Experiment
1
2
3
4
5
6
7
8
Level 1
760
35
1
1
5
T1
68.00
69.84
74.36
71.71
91.27
54.39
64.65
60.31
Cooling Time
1
1
300
300
300
300
1
1
T2
61.41
64.76
61.30
58.42
90.89
Level 2
900…
Please write the answer in a paper and apload it because I cannot see it if you don't wrote it in a paper thank you
Chapter 11 Solutions
Thinking Like an Engineer: An Active Learning Approach (4th Edition)
Ch. 11.2 - In the following experimental data plot, identify...Ch. 11.2 - In the following experimental data plot, identify...Ch. 11.2 - In the following theoretical data plot, identify...Ch. 11.2 - In the following theoretical data plot, identify...Ch. 11.4 - Use the graph to answer the following questions....Ch. 11.5 - Use the graph to answer the following questions....Ch. 11.6 - We assume that the current through two...Ch. 11.6 - You are working for a tire manufacturer, producing...Ch. 11.6 - You want to install a solar panel system on your...Ch. 11 - Joules first law relates the heat generated to...
Ch. 11 - Data for a wind turbine is shown below. Use the...Ch. 11 - There is a large push in the United States to...Ch. 11 - Your team has designed three tennis ball...Ch. 11 - Plot the following pairs of functions on a single...Ch. 11 - Plot the following pairs of functions on a single...Ch. 11 - You need to create a graph showing the...Ch. 11 - The decay of a radioactive isotope can be modeled...Ch. 11 - In researching alternate energies, you find that...Ch. 11 - The following graph applies to ICA 11-10 to ICA...Ch. 11 - The following graph applies to ICA 11-10 to ICA...Ch. 11 - The following graph applies to ICA 11-10 to ICA...Ch. 11 - The following graph applies to ICA 11-10 to ICA...Ch. 11 - The following graph applies to ICA 11-10 to ICA...Ch. 11 - The following graph applies to ICA 11-10 to ICA...Ch. 11 - Use the following graph to determine which...Ch. 11 - The following graph shows the power delivered to a...Ch. 11 - The music industry in the United States has had a...Ch. 11 - You are working for a chemical manufacturer,...Ch. 11 - Use the accompanying graph to answer the following...Ch. 11 - A company designs submersible robots with a new...Ch. 11 - Your company is manufacturing a complex part from...Ch. 11 - For questions 1 through 10, your instructor will...Ch. 11 - 2. Due to increased demand, an industrial engineer...Ch. 11 - 3. An engineer is conducting tests of two...Ch. 11 - 4. Several reactions are carried out in a closed...Ch. 11 - 5. The following experimental data are collected...Ch. 11 - 6. If an object is heated, the temperature of the...Ch. 11 - 7. Eutrophication is the result of excessive...Ch. 11 - 8. In the 1950s, a team at Los Alamos National...Ch. 11 - Prob. 9RQCh. 11 - 10. One of the 22 named, derived units in the...Ch. 11 - Shown are graphs of the altitude in meters, and...Ch. 11 - Answer the following questions using the graph....Ch. 11 - Answer the following questions using the graph....Ch. 11 - In a simple electric circuit, the current (I) must...Ch. 11 - In a hard drive design, the faster the disk spins,...Ch. 11 - We have decided to become entrepreneurs by raising...Ch. 11 - As an engineer, suppose you are directed to design...Ch. 11 - We have obtained a contract to construct metal...Ch. 11 - Your company has developed a new high-mileage...Ch. 11 - One of the 14 Grand Challenges for Engineering as...Ch. 11 - You are an engineer for a plastics manufacturing...Ch. 11 - When a wine generator is installed there is a...
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