Machine Design MCQ Questions & Answers | Mechanical Engineering

A. $$\frac{1}{2}\sqrt {{\sigma ^2} \times 4{\tau ^2}} $$

B. $$\sqrt {{\sigma ^2} \times 4{\tau ^2}} $$

C. $$\frac{1}{2}\left( {\sigma + \sqrt {{\sigma ^2} \times 4{\tau ^2}} } \right)$$

D. $$\sigma + \sqrt {{\sigma ^2} \times 4{\tau ^2}} $$

A. $$\frac{{4{\text{F}}}}{{\pi {{\text{d}}^2}}}$$

B. $$\frac{{{\text{6F}}}}{{\pi {{\text{d}}^2}}}$$

C. $$\frac{{{\text{8F}}}}{{\pi {{\text{d}}^2}}}$$

D. $$\frac{{{\text{16F}}}}{{3\pi {{\text{d}}^2}}}$$

A. $$\frac{{\text{F}}}{{{\text{bh}}}}$$

B. $$\frac{{{\text{3F}}}}{{{\text{2bh}}}}$$

C. $$\frac{{{\text{2F}}}}{{{\text{bh}}}}$$

D. $$\frac{{{\text{4F}}}}{{{\text{bh}}}}$$

A. Bottom of groove of the pulley

B. Sides and bottom of groove of the pulley

C. Anywhere in the groove of the pulley

D. Sides of groove of the pulley

A. Ductile materials

B. Brittle materials

C. Equally serious in both cases

D. Depends on other factors

A. Ductile materials

B. Brittle materials

C. Equally serious in both cases

D. Depends on other factors

A. Brittle materials

B. Ductile materials

C. Brittle as well as ductile materials

D. Elastic materials

A. Brittle materials

B. Ductile materials

C. Brittle as well as ductile materials

D. Elastic materials

A. Parallel

B. Perpendicular

C. Both A and B

D. None of these

A. Flat belt drive

B. V belt drive

C. Crossed belt drive

D. Timing belt