A pressurized cylindrical tank with a diameter 3.2 m, made of 20 mm thick steel, E = 200 GPa. The failure stress of the steel is 270 MPa.
1) Calculate the maximum pressure the tank can contain with a Factor of Safety of 2.3. (6 pts)
Maximum Pressure = _________________
Combined Loads and Stresses
The cantilever has a vertical force applied at the center of the cross-section. This creates 3 types of stress at A.
5 in.
B
10 in.
A
40 kips
Cross-section at a-a
10 in.
A
28°
30 in.
40 kips
2) Calculate the normal stress caused by the axial load at point A. (5 pts)
a. -0.347 ksi
b. 0.391 ksi
c. -0.376 ksi
d. 0.361 ksi
3) Calculate the normal stress caused by the bending moment at point A. (5 pts)
a. 14.3 ksi
b. -13.2 ksi
c. 13.7 ksi
d. -12.7 ksi
4) Calculate the transverse shear stress at point B (midheight of the cross-section). (5 pts)
a. 1.10 ksi
b. 1.06 ksi
c. 1.15 ksi
d. 1.01 ksi
5) Determine the combined normal stress at point A (5 pts)
Normal Stress = _________________