Concept explainers
(a)
Find the average strength-to-weight ratio for the aluminum alloy.
(a)

Answer to Problem 29P
The average strength-to-weight ratio for the aluminum alloy is
Explanation of Solution
Given data:
Use Table 17.3 in the textbook.
Specific weight of aluminum alloy is
Use Table 17.4 in the textbook.
Yield strength of aluminum alloy is
Calculation:
For Aluminum alloy:
Given,
Substitute
Substitute the unit
Thus, the average strength-to-weight ratio for the aluminum alloy is
Conclusion:
Hence, the average strength-to-weight ratio for the aluminum alloy is
(b)
Find the average strength-to-weight ratio for the titanium alloy.
(b)

Answer to Problem 29P
The average strength-to-weight ratio for the titanium alloy is
Explanation of Solution
Given data:
Use Table 17.3 in the textbook.
Specific weight of titanium alloy is
Use Table 17.4 in the textbook.
Yield strength of titanium alloy is
Calculation:
For titanium alloy:
Given,
Substitute
Substitute the unit
Thus, the average strength-to-weight ratio for the titanium alloy is
Conclusion:
Hence, the average strength-to-weight ratio for the titanium alloy is
(c)
Find the average strength-to-weight ratio for the steel.
(c)

Answer to Problem 29P
The average strength-to-weight ratio for the steel is
Explanation of Solution
Given data:
Use Table 17.3 in the textbook.
Specific weight of steel is
Use Table 17.4 in the textbook.
Yield strength of steel (structural) is
Calculation:
For steel:
Given,
Substitute
Substitute the unit
Thus, the average strength-to-weight ratio for the steel is
Conclusion:
Hence, the average strength-to-weight ratio for the steel is
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Chapter 17 Solutions
EBK ENGINEERING FUNDAMENTALS: AN INTROD
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