ENGINEERING FUNDAMENTALS
6th Edition
ISBN: 9781337705011
Author: MOAVENI
Publisher: CENGAGE L
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Chapter 17, Problem 30P
To determine
Check how much heavier, on average, will an aluminum-alloy tennis racquet if it is made from titanium alloy.
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If a metallic piece weighs 8 kg in air and 6 kg in water, then its specific gravity would be:
a) 8
b) 6
c) 4
d) 3
Consider a 1 m-long bar of 2024-T81 aluminum alloy with a 20mm-diameter and the following property data:
E=70GPa
Y.S.=410MPa
T.S.=480MPa
%Elongation at failure=8%
What will be the length of the bar under a structural load of 1.2×10^5N in tension? Your answer should be in units of meters (m).
A cylindrical rod with a diameter of 15.24 mm and a gauge length of 400
mm is subjected to a tensile load. If the rod is to experience neither plastic
deformation nor an elongation of more than 0.45 mm when the applied load
is 31000 N, which of the four metals or alloys listed below are possible candi-
dates? Justify your choice(3).
TABLE P1.12
Material
E (GPa)
Yield Strength (MPa)
Tensile Strength (MPa)
Steel alloy 1
Steel alloy 2
Titanium alloy
Сopper
180
860
502
200
400
250
110
900
730
117
220
70
Chapter 17 Solutions
ENGINEERING FUNDAMENTALS
Ch. 17.1 - Give examples of properties that engineers...Ch. 17.1 - Prob. 2BYGCh. 17.1 - Prob. 3BYGCh. 17.1 - Prob. 4BYGCh. 17.1 - Prob. 5BYGCh. 17.1 - Prob. BYGVCh. 17.2 - Prob. 1BYGCh. 17.2 - Prob. 2BYGCh. 17.2 - Prob. 3BYGCh. 17.2 - In your own words, explain what is meant by the...
Ch. 17.2 - Prob. 5BYGCh. 17.2 - Prob. BYGVCh. 17.3 - What is a lightweight metal?Ch. 17.3 - Prob. 2BYGCh. 17.3 - Prob. 3BYGCh. 17.3 - Prob. 4BYGCh. 17.3 - Give examples of copper use.Ch. 17.3 - VocabularyState the meaning of the following...Ch. 17.4 - What are the main ingredients of concrete?Ch. 17.4 - Why is water sprayed on newly poured concrete for...Ch. 17.4 - Prob. 3BYGCh. 17.4 - Prob. BYGVCh. 17.5 - Prob. 1BYGCh. 17.5 - Prob. 2BYGCh. 17.5 - Prob. 3BYGCh. 17.5 - Prob. 4BYGCh. 17.5 - Prob. 5BYGCh. 17.5 - Prob. 6BYGCh. 17.5 - Prob. BYGVCh. 17.6 - Prob. 1BYGCh. 17.6 - Prob. 2BYGCh. 17.6 - Prob. 3BYGCh. 17.6 - Prob. 4BYGCh. 17.6 - Prob. BYGVCh. 17 - Prob. 1PCh. 17 - Prob. 2PCh. 17 - Prob. 3PCh. 17 - Prob. 4PCh. 17 - Prob. 5PCh. 17 - Prob. 6PCh. 17 - Prob. 7PCh. 17 - Prob. 8PCh. 17 - Prob. 9PCh. 17 - Prob. 11PCh. 17 - Prob. 12PCh. 17 - Prob. 13PCh. 17 - Prob. 14PCh. 17 - Prob. 16PCh. 17 - Prob. 18PCh. 17 - Prob. 20PCh. 17 - Prob. 22PCh. 17 - Prob. 27PCh. 17 - Prob. 28PCh. 17 - Prob. 29PCh. 17 - Prob. 30PCh. 17 - Prob. 32P
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- 1.19 A brass alloy has a yield strength of 280 MPa, a tensile strength of 390 MPa, and an elastic modulus of 105 GPa. A cylindrical specimen of this alloy 12.7 mm in diameter and 250 mm long is stressed in tension and found to elongate 7.6 mm. On the basis of the information given, is it possible to compute the magnitude of the load that is necessary to produce this change in length? If so, calculate the load. If not, explain why.arrow_forwardA cylindrical rod 600 mm long and having a diameter 13.2 mm is to be subjected to a tensile load. If the rod is to experience neither plastic deformation nor an elongation of more than 1.4 mm when the applied load is 30 KN. Which of the four metals or alloys listed below are possible candidates. Justify the answer with calculations Material modulus of elasticity(gpa) yield strength(mpa) tensile strength(mpa) Aluminium alloy 70 255 420 Brass alloy 100 345 420 Copper 110 210 275 Steel alloy 207 450 550arrow_forwardA cylindrical rod with a radius of 0.3 in. and a length of 15 in. is subjected to a tensile load. If the rod is to experience neither plastic deformation nor an elongation of more than 0.018 in. when the applied load is 7,000 lb, which of the four metals or alloys listed below are possible candidates? Justify your choice(s).arrow_forward
- A tensile load of 50,000 lb is applied to a metal bar with a 0.6 in. * 0.6 in.cross section and a gauge length of 2 in. Under this load, the bar elastically deforms so that the gauge length increases to 2.007 in. and the cross section decreases to 0.599 in. * 0.599 in. Determine the modulus of elasticity and Poisson’s ratio for this metal.arrow_forwardIf an aluminum weighs 165 lb/ft^3, How much will a 12-in dia. sphere weigh when immersed in water?arrow_forwardFrom studying Steel Design, we became familiar with the different philosophies that are used in structural design. Each of these has its advantages and is used in varying applications. As your review and to fortify understanding of these design philosophies, thoroughly discuss the characteristics, basis, advantages, disadvantages, and its uses in the design process of structural engineering. You may include drawings, graphs, and other visual methods to supplement your explanation.arrow_forward
- We have 2 different materials which are "A" and "B". Material Name Modulus of Elasticity (GPa) Length (mm) Diameter (mm) K (Bulk Modulus) (GPa) A 70 100 10 65 B 50 100 10 67 Please answer these questions according to data; 1) Which one can show more deformation if the same tensile load is applied? 2) Which one increases more in diameter if the same compression load is applied? 3) Which one is more ductile?arrow_forwardAn SAE3140 OQT 1300 steel bar with a rectangular cross section of 2 in ( base) by 3.5 in (height) is to be machined and subjected to a repeated bending stress. What is the tensile strength of this material in ksi unit? (Use Appendix 3 /Textbook. Do not use an external source. Do not use a metric unit for this question) Note : Your answer should be a numerical value only. Do not include an explanation. Example: 25 (acceptable format for an answer) Example: 25 ksi (this format is not acceptable for this question)arrow_forwardHow many types of stainless steel are there? Explain general and characteristic properties of these stainless steels.arrow_forward
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