Strength Of Materials MCQ Questions & Answers | Mechanical Engineering

A. Area of column to least radius of gyration

B. Length of column to least radius of gyration

C. Least radius of gyration to area of column

D. Least radius of gyration to length of column

A. $$\frac{1}{3}$$

B. $$\frac{2}{3}$$

C. 1

D. $$\frac{3}{2}$$

A. $$\frac{{{\tau ^2}}}{{2{\text{C}}}}\left( {\frac{{{{\text{D}}^2} - {{\text{d}}^2}}}{{\text{D}}}} \right) \times {\text{Volume of shaft}}$$

B. $$\frac{{{\tau ^2}}}{{2{\text{C}}}}\left( {\frac{{{{\text{D}}^2} + {{\text{d}}^2}}}{{\text{D}}}} \right) \times {\text{Volume of shaft}}$$

C. $$\frac{{{\tau ^2}}}{{4{\text{C}}}}\left( {\frac{{{{\text{D}}^2} - {{\text{d}}^2}}}{{\text{D}}}} \right) \times {\text{Volume of shaft}}$$

D. $$\frac{{{\tau ^2}}}{{4{\text{C}}}}\left( {\frac{{{{\text{D}}^2} + {{\text{d}}^2}}}{{\text{D}}}} \right) \times {\text{Volume of shaft}}$$

A. Maximum at periphery and zero at center

B. Maximum at center

C. Uniform throughout

D. None of the above

A. 30 GPa

B. 50 GPa

C. 80 GPa

D. 100 GPa

A. $$\sigma \sin 2\theta $$

B. $$\sigma \cos 2\theta $$

C. $$\frac{\sigma }{2}\sin 2\theta $$

D. $$\frac{\sigma }{2}\cos 2\theta $$

A. $$\sigma \cos \theta $$

B. $$\sigma {\cos ^2}\theta $$

C. $$\sigma \sin\theta $$

D. $$\sigma {\sin ^2}\theta $$

A. Elastic limit

B. Upper yield point

C. Lower yield point

D. Breaking point

A. Fixed ends

B. Center of beam

C. $$\frac{l}{3}$$ from fixed ends

D. None of these

A. $$\frac{{{\text{w}}l}}{{2{\text{E}}}}$$

B. $$\frac{{{\text{w}}{l^2}}}{{2{\text{E}}}}$$

C. $$\frac{{{\text{w}}{l^3}}}{{2{\text{E}}}}$$

D. $$\frac{{{\text{w}}{l^4}}}{{2{\text{E}}}}$$