MATERIALS SCIENCE AND ENGINEERING: INTRO
10th Edition
ISBN: 9781119571308
Author: Callister
Publisher: WILEY
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Question
Chapter 15, Problem 14QAP
(a)
To determine
To explain:
How molecular weight affects the tensile modulus of a semi-crystalline polymer.
(b)
To determine
To explain:
How the degree of crystallinity affects the tensile modulus of a semi-crystalline polymer.
(c)
To determine
To explain:
How the deformation caused by drawing affects the tensile modulus of a semi-crystalline polymer.
(d)
To determine
To explain:
How the annealing of an undeformed material affects the tensile modulus of a semi-crystalline polymer.
(e)
To determine
To explain:
How the annealing of a drawn material affects the tensile modulus of a semi-crystalline polymer.
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Task 2: Download
Download your personalized assignment files, answers2.json and floppy.img, into your Kali Linux Vm. Use
wget as before. For example, you'd use "wget
https://facsrv.cs.depaul.edu/zhuang28/courses/csec450/hw2/1111111/answers2.json" (replace 1111111 with
your 7-digit DePaul ID) to download your answers2.json.
Task 3: Creating a Sample Hard Drive Image book.img
Add a new (virtual) hard drive of capacity 2GiB to your Kali Linux VM.
Create a FAT filesystem on the hard drive using mkfs. fat. Be careful to use your new 2GiB drive! It would be a
good idea to use 1sblk to verify the block device name before proceeding.
Mount the new hard drive at a mount point of your choice.
Find a book from Project Gutenberg by an author whose last name begins with the same letter as your last name
(look under "Browsing Options" and then "Authors" A-Z).
Download the plain text UTF-8 and ensure it is saved into your mounted drive (it should be saved within the
mount point directory). For…
A mixture with 4% n-pentane, 40% n-hexane, 50% n-heptane, and 6% n-octane is to
be distilled at 14.7 lb/in² (1 atm.) with 98% of the hexane and 1% of the heptane
recovered in the distillate. If the liquid feed is a saturated liquid (i.e., q = 1). Calculate
i.) The product compositions, ii.) The top and bottom temperature iii.) Minimum
reflux ratio (Rm), iv.) Minimum theoretical plates and v.) Actual plates when the
reflux ratio is 2Rm.
Table 1: Component boiling point and molar mass
Component
Boiling point
n-C5
97°F
n-C6
156.2°F
n-C7
209.1°F
n-C8
258.1°F
Molar mass
72.2
86.2
100.2
114.2
Hint: Since 1% of heptane is specified to be recovered in the distillate, 99% of
heptane is to be recovered in the bottom.
H.W
1. A plant wishes to dry a certain type of fiberboard. To determine drying characteristics, a
sample of 0.3 × 0.3 m with edges sealed was suspended from a balance and exposed to a
current of hot dry air. The initial moisture content was 75%. The sheet lost weight at the rate
of 1 104 Kg/s unit the moisture content fell to 60%. It was established that the equilibrium
moisture content was 10 %. The dry mass of the sample was 0.90 Kg. All moisture contents
were on a wet basis. Determine the time for drying the sheets from 75% to 20% moisture
under the same drying conditions?
Chapter 15 Solutions
MATERIALS SCIENCE AND ENGINEERING: INTRO
Ch. 15 - Prob. 1QAPCh. 15 - Prob. 2QAPCh. 15 - Prob. 3QAPCh. 15 - Prob. 4QAPCh. 15 - Prob. 5QAPCh. 15 - Prob. 11QAPCh. 15 - Prob. 14QAPCh. 15 - Prob. 15QAPCh. 15 - Prob. 16QAPCh. 15 - Prob. 21QAP
Ch. 15 - Prob. 23QAPCh. 15 - Prob. 26QAPCh. 15 - Prob. 31QAPCh. 15 - Prob. 32QAPCh. 15 - Prob. 35QAPCh. 15 - Prob. 36QAPCh. 15 - Prob. 37QAPCh. 15 - Prob. 38QAPCh. 15 - Prob. 39QAPCh. 15 - Prob. 42QAPCh. 15 - Prob. 43QAPCh. 15 - Prob. 44QAPCh. 15 - Prob. 45QAPCh. 15 - Prob. 46QAPCh. 15 - Prob. 1DPCh. 15 - Prob. 2DPCh. 15 - Prob. 3DPCh. 15 - Prob. 1FEQP
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