Materials Science And Engineering
10th Edition
ISBN: 9781119405498
Author: Callister, William D., Jr, RETHWISCH, David G., Jr., 1940- Author.
Publisher: Wiley,
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Question
Chapter 14, Problem 2FEQP
To determine
To find:
The right comparison of density between crystalline and amorphous polymers with the same material and same molecular weight from the following:
(A) Density of crystalline polymer < density of amorphous polymer
(B) Density of crystalline polymer = density of amorphous polymer
(C) Density of crystalline polymer > density of amorphous polymer
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Problem 1:
Given: In a given floor system, a 5-in concrete slab supported by T-beams of 24-ft spans, supporting 354 psf
live load. The T-beams are spaced 2x4 ft on center, and bw (width of the beam web) = 15 inches. Total T-beam
height is 25 inches. f'c = 4,000psi, fy = 60,000psi.
Design the T-beam. Show all steps. Sketch your Design.
Problem 2:
Given: A 25"x25" column is subject to a
factored axial load of Pu=1,200 kips, and
factored design moment of Mu-354 kips-ft.
f'c 4,000psi, fy = 60,000psi.
Determine the required steel ratio (p) and
ties. Sketch the design.
2.0
0.08
INTERACTION DIAGRAM R4-60.9
fc-4 ksi
1.8
1,- 60 ksi
0.07
Y=0.9
16
1.6
0.06
Kmax
0.05
1.4
f/f, = 0
0.04
00
K₁ = P₁/f'c Ag
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12
0.03
0.25
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0.8
0.6
0.4
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0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50
R₁ = P₁e/f'Agh
and the viscosity of the water is 1.24 × 104 Nsm 2. Answer: Slug flow
1. Determine the range of mean density of a mixture of air in a 50:50
oil-water liquid phase across a range of gas void fractions. The den-
sity of oil is 900 kgm³, water is 1000 kgm³, and gas is 10 kgm³.
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8 من 8
Mechanical vibration
HW-prob-1
lecture 8 By: Lecturer Mohammed O. attea
The 8-lb body is released from rest a distance xo
to the right of the equilibrium position.
Determine the displacement x as a function of time t,
where t = 0 is the time of release.
c=2.5 lb-sec/ft
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k-3 lb/in.
8 lb
Prob. -2
Find the value of (c) if the system is critically
damping.
Prob-3
Find Meq and Ceq at point B, Drive eq. of
motion for the system below.
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Chapter 14 Solutions
Materials Science And Engineering
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