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Questions and Answers
How is the yield point determined for steel with a well-defined yield point?
How is the yield point determined for steel with a well-defined yield point?
- By conducting multiple tensile tests
- By applying a 0.2% offset
- By measuring stress at a tensile strain of 0.0035
- By the drop or halt of the gage of the tensile testing machine (correct)
What method is used to determine the yield strength for steel without a well-defined yield point?
What method is used to determine the yield strength for steel without a well-defined yield point?
- Stress measurement at a tensile strain of 0.0035
- Drop or halt of the gage of the tensile testing machine
- Conducting hardness tests
- 0.2% offset method (correct)
What additional requirement is imposed when using the offset method to determine yield strength?
What additional requirement is imposed when using the offset method to determine yield strength?
- Measuring elongation percentage
- Reporting the stress at a tensile strain of 0.0035 (correct)
- Conducting impact tests
- Determining the ultimate tensile strength
What is the minimum stress required at a tensile strain of 0.0035 for Grade 75 steel?
What is the minimum stress required at a tensile strain of 0.0035 for Grade 75 steel?
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What is required in addition to determining yield strength using the offset method?
What is required in addition to determining yield strength using the offset method?
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How is the yield point determined when steel tested does not have a well-defined yield point?
How is the yield point determined when steel tested does not have a well-defined yield point?
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