Engineering Mechanics MCQ Questions & Answers | Mechanical Engineering

A. $$\frac{{{{\text{a}}^2}}}{8}$$

B. $$\frac{{{{\text{a}}^3}}}{{12}}$$

C. $$\frac{{{{\text{a}}^4}}}{{12}}$$

D. $$\frac{{{{\text{a}}^4}}}{{16}}$$

A. $$\frac{{3{\text{m}}{{\text{r}}^2}}}{5}$$

B. $$\frac{{3{\text{m}}{{\text{r}}^2}}}{{10}}$$

C. $$\frac{{2{\text{m}}{{\text{r}}^2}}}{5}$$

D. $$\frac{{4{\text{m}}{{\text{r}}^2}}}{5}$$

A. Perfect

B. Imperfect

C. Deficient

D. None of these

A. $${\text{R}} = \frac{{{{\text{u}}^2}\cos 2\alpha }}{{\text{g}}}$$

B. $${\text{R}} = \frac{{{{\text{u}}^2}\sin2\alpha }}{{\text{g}}}$$

C. $${\text{R}} = \frac{{{{\text{u}}^2}\cos \alpha }}{{\text{g}}}$$

D. $${\text{R}} = \frac{{{{\text{u}}^2}\sin\alpha }}{{\text{g}}}$$

A. +8.9 m/s²

B. -8.9 m/s²

C. +9.8 m/s²

D. -9.8 m/s²

A. Increasing the length of the handle

B. Increasing the radius of the load drum

C. Increasing the number of teeth of the pinion

D. All of the above

A. Lie on the same line

B. Meet at one point

C. Meet on the same plane

D. None of these

A. Density of metal can't be determined

B. Metal is twice as dense as water

C. Metal will float in water

D. Metal is twice as dense as unknown fluid

A. $$\frac{{\text{r}}}{2}$$

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

C. $$\frac{{\text{r}}}{{\text{A}}}$$

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

A. 2 and $$\sqrt 6 $$

B. 3 and 1 kg

C. $$\sqrt 5 $$ and $$\sqrt 5 $$

D. 2 and 5