Strength of Materials MCQs with answers PDF for test preparation. Includes Strength of Materials MCQs PDF download, Strength of Materials multiple choice questions PDF, and 1000 solved problems in Strength of Materials PDF download.

## The bending stress is _____.

A. Does not depend on the distance of layer from the neutral layer

**B. Directly proportional to the distance of layer from the neutral layer**C. Inversely proportional to the distance of layer from the neutral layer

D. Directly proportional to the neutral layer## What is the formula for shear stress ?

A. Bending strain/area

B. Shear stress/length

C. Force/unit area**D. Shear resistance/shear area**## Which type of stress does in a reinforcement bar is taken by the concrete ?

A. Shear stress

B. Bending stress

C. Tensile stress**D. Compressive stress**## Which of these are types of normal stresses ?

A. Compressive and plane stresses

**B. Tensile and compressive stresses**C. Tensile and thermal stresses

D. Shear and bending## How the elastic constants E and K are related ?

A. E = 2K(1 – μ)

B. E = K(1 – 2μ)**C. E = 3K(1 – 2μ)**D. E = 2K(1 – 2μ)## The Youngs modulus of elasticity of a material is 2.5 times its modulus of rigidity. Then what will be its Poissons ratio ?

A. 0.50

B. 0.60**C. 0.25**D. 0.33## What is the bulk modulus of elasticity ?

A. The ratio of volumetric stress to volumetric strain

**B. The ratio of direct stress to volumetric strain**C. The ratio of shear stress to shear strain

D. The ratio of direct stress to direct strain## What is tensile strain ?

A. The ratio of tensile force to the change in length

B. The ratio of change in length to the tensile force applied**C. The ratio of change in length to the original length**D. The ratio of original length to the change in length## Which of the following is not the unit of distance ?

**A. Milestone**B. Micron

C. Angstrom

D. Light year## The unit of force in S.I. units is _____.

A. Watt

B. Dyne

C. Kilogram**D. Newton**Explanation: Force = mass x acceleration = kg x m/s

^{2}= N.