Civil Engineering - Theory of Structures
Exercise :: Theory of Structures - Section 4
1.
In case of principal axes of a section
A. sum of moment of inertia is zero B. difference of moment inertia is zero C. product of moment of inertia is zero D. none of these.
Answer: Option C
Explanation:
2.
The forces acting normally on the cross section of a bar shown in the given figure introduce
A. compressive stress B. tensile stress C. shear stress D. none of these.
Answer: Option B
Explanation:
3.
The maximum deflection due to a load W at the free end of a cantilever of length L and having flexural rigidity EI , is
Answer: Option D
Explanation:
4.
If the normal stresses due to longitudinal and transverse loads on a bar are σ1 and σ2 respectively, the tangential component of the stress on an inclined plane through θ°, the longitudinal load is
A. σ1 sin θ + σ2 cos θ B. σ1 sin θ2 + σ2 cos2 θ C. D.
Answer: Option C
Explanation:
5.
The ratio of the section modulus of a square section of side B and that of a circular section of diameter D , is
Answer: Option B
Explanation:
