• San Jose State University

• MATE 25

MATE 25 Spring 2021 Section-02, San Jose University
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Midterm Exam II: April 27, 2021
This test is open book, open notes, open internet. However, this is your individual work. No consulting or help by a person or Al/Siri via computer, tablet, phone, in person or any other means. You may access your notes, textbook, and any files posted by Dr. Ishida on Canvas for our class.
By signing below, you are promising to abide by the following 2 statements:
I will not give anyone assistance of any kind on this examination. I will not use or accept any assistance of any kind/from anyone on this examination.
Signature: Von Juing mytoyer
Section I: Mechanical Properties of Metals, Ch. 6
1. Answer the following questions for a copper specimen with an initial cross-sectional area of 5.00 x 10 m² and a gauge length of 4.25 x 102 m. The sample is pulled in tension with a load of 3.25 x 10 N, resulting in a final specimen length of 5.75 x 102 m. Assume no necking has occurred at this load. (15 pts)
a. What is the engineering stress?