Strength Of Materials MCQ Questions & Answers | Mechanical Engineering

A. The beam material is perfectly homogeneous and isotropic

B. The beam material is stressed within its elastic limit

C. The plane sections before bending remain plane after bending

D. All of the above

A. Directly

B. Indirectly

C. Both A and B

D. None of these

A. Radius

B. Diameter

C. Circumference

D. Area

A. 50%

B. 25%

C. 20%

D. 30%

A. More than 50%

B. 25 - 50%

C. 10 - 25%

D. Negligible

A. 50%

B. 25%

C. 0%

D. 15%

A. $$\frac{{{\text{r}}_{\text{o}}^2 - {\text{r}}_{\text{i}}^2}}{{2{\text{pr}}_{\text{i}}^2}}$$

B. $$\frac{{2{\text{pr}}_{\text{i}}^{\text{2}}}}{{{\text{r}}_{\text{o}}^2 - {\text{r}}_{\text{i}}^2}}$$

C. $$\frac{{{\text{p}}\left( {{\text{r}}_{\text{o}}^2 + {\text{r}}_{\text{i}}^2} \right)}}{{{\text{r}}_{\text{o}}^2 - {\text{r}}_{\text{i}}^2}}$$

D. $$\frac{{{\text{p}}\left( {{\text{r}}_{\text{o}}^2 - {\text{r}}_{\text{i}}^2} \right)}}{{{\text{r}}_{\text{o}}^2 + {\text{r}}_{\text{i}}^2}}$$

A. Zero

B. p (tensile)

C. -p (compressive)

D. 2p (tensile)

A. $$\frac{{{\text{p}}\left( {{\text{r}}_{\text{o}}^2 + {\text{r}}_{\text{i}}^2} \right)}}{{{\text{r}}_{\text{o}}^2 - {\text{r}}_{\text{i}}^2}}$$

B. $$\frac{{{\text{p}}\left( {{\text{r}}_{\text{o}}^2 - {\text{r}}_{\text{i}}^2} \right)}}{{{\text{r}}_{\text{o}}^2 + {\text{r}}_{\text{i}}^2}}$$

C. $$\frac{{2{\text{pr}}_{\text{i}}^{\text{2}}}}{{{\text{r}}_{\text{o}}^2 - {\text{r}}_{\text{i}}^2}}$$

D. $$\frac{{{\text{r}}_{\text{o}}^2 - {\text{r}}_{\text{i}}^2}}{{2{\text{pr}}_{\text{i}}^2}}$$

A. $$\frac{l}{8}$$

B. $$\frac{l}{4}$$

C. $$\frac{l}{2}$$

D. $$l$$