You are an engineer working on a project and your prototype has failed prematurely. You question whether or not a key component of the prototype was manufactured with the correct material. There are two way to check for the material properties. The first way is to have a material certification done to confirm the exact material composition. This will take some time. The second method to confirm the material properties is to make an ASTM test sample and test for the material properties. This tensile test was completed on a test sample with an initial diameter of .501" and an initial length of 2". The Load-Deflection data for this tensile test is below. Use this data to answer the first set of questions on the Final Exam in eLearning. A. Determine the Ultimate Tensile Strength B. Determine the 0.2% Offset Yield Strength C. Determine the value of the Proportional Limit D. Determine the Modulus of Elasticity E. Determine the Strain at Yield F. Calculate % Elongation G. Using the information that you have created about this UNKNOWN material, compare it to a material in the Material Properties Database in eLearning to determine what material does this data best describe? Be Specific Your answers should be within 2% of the correct values. LOAD (LB) 0 3000 6000 7500 9000 10500 12000 12400 11400 DEFLECTION (IN) 2 2.00167 2.00333 2.00417 2.009 2.04 2.26 2.5 3.02
You are an engineer working on a project and your prototype has failed prematurely. You question whether or not a key component of the prototype was manufactured with the correct material. There are two way to check for the material properties. The first way is to have a material certification done to confirm the exact material composition. This will take some time. The second method to confirm the material properties is to make an ASTM test sample and test for the material properties. This tensile test was completed on a test sample with an initial diameter of .501" and an initial length of 2". The Load-Deflection data for this tensile test is below. Use this data to answer the first set of questions on the Final Exam in eLearning. A. Determine the Ultimate Tensile Strength B. Determine the 0.2% Offset Yield Strength C. Determine the value of the Proportional Limit D. Determine the Modulus of Elasticity E. Determine the Strain at Yield F. Calculate % Elongation G. Using the information that you have created about this UNKNOWN material, compare it to a material in the Material Properties Database in eLearning to determine what material does this data best describe? Be Specific Your answers should be within 2% of the correct values. LOAD (LB) 0 3000 6000 7500 9000 10500 12000 12400 11400 DEFLECTION (IN) 2 2.00167 2.00333 2.00417 2.009 2.04 2.26 2.5 3.02
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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plase help solve A-F thank you
Transcribed Image Text:You are an engineer working on a project and your prototype has failed prematurely.
You question whether or not a key component of the prototype was manufactured with
the correct material. There are two way to check for the material properties. The first
way is to have a material certification done to confirm the exact material composition.
This will take some time. The second method to confirm the material properties is to
make an ASTM test sample and test for the material properties. This tensile test was
completed on a test sample with an initial diameter of .501" and an initial length of 2".
The Load-Deflection data for this tensile test is below.
Use this data to answer the first set of questions on the Final Exam in eLearning.
A. Determine the Ultimate Tensile Strength
B. Determine the 0.2% Offset Yield Strength
C. Determine the value of the Proportional Limit
D. Determine the Modulus of Elasticity
E. Determine the Strain at Yield
F. Calculate % Elongation
G. Using the information that you have created about this UNKNOWN material,
compare it to a material in the Material Properties Database in eLearning to
determine what material does this data best describe? Be Specific
Your answers should be within 2% of the correct values.
LOAD
(LB)
0
3000
6000
7500
9000
10500
12000
12400
11400
DEFLECTION
(IN)
2
2.00167
2.00333
2.00417
2.009
2.04
2.26
2.5
3.02
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