Question

Solve the questions please?

Answer 1

Force-Elongaion 800 700- 600 500 200 100 38 381 30,105 30,11 30,115 30,12 38.125 38.13 Length (mm) Stress vs Strain 25 20 15 10 0 0 00001 a0002 a.0003 0004 o0005 o0006 00007 0.0008 Srain

Stress 3) 0 strain Regions OA Elastic and proportional limit CHooks law) AB: only elastic limit cupper gield) Bc: Lowes yield region atc cD: ultimate stress region at D 4) In propovtiona) limit. E stress-1.8946_- 12030.73 MPa Sbraùn 0.00015748 Esteel 210 G-Pa 5) From stress -strain curve Tensile strength. at D). 6- 21. 6930 Mfa Tield strength (at B),gu 7-C415 mPa As these values do not meet requiTed roperties, we shouJd not accept this mat?mal.