Propotions of section beams

What is the criterion for the proportioning of a rectangular section beam?

• Maximum bending stress should be less than yield stress

• Maximum bending stress should be less than ultimate stress

• Maximum shear stress should be less than yield stress

• Maximum shear stress should be less than ultimate stress

What is the criterion for the proportioning of a circular section beam?

• Maximum bending stress should be less than yield stress

• Maximum bending stress should be less than ultimate stress

• Maximum shear stress should be less than yield stress

• Maximum shear stress should be less than ultimate stress

What is the criterion for the proportioning of an I-section beam?

• Maximum bending stress should be less than yield stress

• Maximum bending stress should be less than ultimate stress

• Maximum shear stress should be less than yield stress

• Maximum shear stress should be less than ultimate stress

What is the formula for the section modulus of a circular section beam?

• π*d^3/32

• π*d^4/64

• π*d^4/32

• π*d^3/64

What is the moment of inertia of a rectangular section beam?

• (b*d^3)/12

• (d*b^3)/12

• (d^3*b)/12

• (b*d^4)/4