Question

Steel has proportionality limit of 300 MPa in simple
tension. It is subjected to principal stresses of 120 MPa
(tensile), 80 MPa (tensile) and 30 MPa (compressive).
What is the factor of sefety according to maximum
stress theory?
(a) 1.5
(6) 1.75
(c) 1.8
(d) 2.0​

Answer 1

Answer:

the answer this question is 2