Materials Science And Engineering: An Introduction, 9th Edition (wileyplus Acccess Code)
9th Edition
ISBN: 9781118546895
Author: William D. Callister, David G. Rethwisch
Publisher: WILEY
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Question
Chapter 6.12, Problem 28QP
(a)
To determine
Whether cylindrical specimen of the steel alloy will undergo elastic or plastic deformation.
(b)
To determine
The increase in length if the load is applied to the cylindrical specimen of a steel.
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7.82 Water flows from the reservoir on the left to the reservoir
on the right at a rate of 16 cfs. The formula for the head losses
in the pipes is h₁ = 0.02(L/D)(V²/2g). What elevation in the left
reservoir is required to produce this flow? Also carefully sketch
the HGL and the EGL for the system. Note: Assume the head-loss
formula can be used for the smaller pipe as well as for the larger
pipe. Assume α = 1.0 at all locations.
Elevation = ?
200 ft
300 ft
D₁ = 1.128 ft
D2=1.596 ft
12
2012
Problem 7.82
Elevation
= 110 ft
Create 6 users: Don, Liz, Shamir, Jose, Kate, and Sal.
Create 2 groups: marketing and research.
Add Shamir, Jose, and Kate to the marketing group.
Add Don, Liz, and Sal to the research group.
Create a shared directory for each group.
Create two files to put into each directory:
spreadsheetJanuary.txt
meetingNotes.txt
Assign access permissions to the directories:
Groups should have Read+Write access
Leave owner permissions as they are
“Everyone else” should not have any access
Submit for grade:
Screenshot of /etc/passwd contents showing your new users
Screenshot of /etc/group contents showing new groups with their members
Screenshot of shared directories you created with files and permissions
Given the following knapsack problem:
item
weight
value
1
2 lbs
$40
2
5 lbs
$65
3
6 lbs
$72
4 lbs
$60
Knapsack capacity W=12
Find the most valuable subset of the items that fit into the knapsack. You must show and explain your
intermediate steps for the following questions.
a) If it is a fractional knapsack problem, provide the optimal solution using greedy algorithm (Greedy strategy:
choosing items with greatest value per pound)
b) If it is a 0-1 knapsack problem, provide the optimal solution using dynamic programming (you need to
provide the optimal value, the list of items that make up the optimal solution, and the V table)
V[k, w]
=
V[k - 1,w]
-
if wk > w
[max{ V[k − 1, w], V[k − 1, w − Wk] + vk} else
Chapter 6 Solutions
Materials Science And Engineering: An Introduction, 9th Edition (wileyplus Acccess Code)
Ch. 6.12 - Prob. 1QPCh. 6.12 - Prob. 2QPCh. 6.12 - Prob. 3QPCh. 6.12 - Prob. 4QPCh. 6.12 - Prob. 5QPCh. 6.12 - Prob. 6QPCh. 6.12 - Prob. 7QPCh. 6.12 - Prob. 8QPCh. 6.12 - Prob. 10QPCh. 6.12 - Prob. 11QP
Ch. 6.12 - Prob. 12QPCh. 6.12 - Prob. 13QPCh. 6.12 - Prob. 14QPCh. 6.12 - Prob. 15QPCh. 6.12 - Prob. 16QPCh. 6.12 - Prob. 17QPCh. 6.12 - Prob. 18QPCh. 6.12 - Prob. 19QPCh. 6.12 - Prob. 20QPCh. 6.12 - Prob. 21QPCh. 6.12 - Prob. 22QPCh. 6.12 - Prob. 23QPCh. 6.12 - Prob. 24QPCh. 6.12 - Prob. 25QPCh. 6.12 - Prob. 26QPCh. 6.12 - Prob. 27QPCh. 6.12 - Prob. 28QPCh. 6.12 - Prob. 29QPCh. 6.12 - Prob. 30QPCh. 6.12 - Prob. 31QPCh. 6.12 - Prob. 32QPCh. 6.12 - Prob. 37QPCh. 6.12 - Prob. 38QPCh. 6.12 - Prob. 39QPCh. 6.12 - Prob. 40QPCh. 6.12 - Prob. 41QPCh. 6.12 - Prob. 42QPCh. 6.12 - Prob. 43QPCh. 6.12 - Prob. 44QPCh. 6.12 - Prob. 45QPCh. 6.12 - Prob. 46QPCh. 6.12 - Prob. 47QPCh. 6.12 - Prob. 48QPCh. 6.12 - Prob. 49QPCh. 6.12 - Prob. 50QPCh. 6.12 - Prob. 51QPCh. 6.12 - Prob. 52QPCh. 6.12 - Prob. 53QPCh. 6.12 - Prob. 54QPCh. 6.12 - Prob. 55QPCh. 6.12 - Prob. 56QPCh. 6.12 - Prob. 57QPCh. 6.12 - Prob. 58QPCh. 6.12 - Prob. 59QPCh. 6.12 - Prob. 60QPCh. 6.12 - Prob. 61QPCh. 6.12 - Prob. 62QPCh. 6.12 - Prob. 63QPCh. 6.12 - Prob. 1DPCh. 6.12 - Prob. 2DPCh. 6.12 - Prob. 3DPCh. 6.12 - Prob. 4DPCh. 6.12 - Prob. 1FEQPCh. 6.12 - Prob. 2FEQPCh. 6.12 - Prob. 3FEQPCh. 6.12 - Prob. 4FEQPCh. 6.12 - Prob. 5FEQP
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