Engineering Mechanics MCQ Questions & Answers | Mechanical Engineering

A. Increase

B. Decrease

C. Not be effected

D. None of these

A. Less than

B. Greater than

C. Equal to

D. None of these

A. 0° and 180°

B. 180° and 0°

C. 90° and 180°

D. 90° and 0°

A. Distance moved by effort to the distance moved by load

B. Load lifted to the effort applied

C. Output to the input

D. All of the above

A. Output to the input

B. Work done by the machine to the work done on the machine

C. Mechanical advantage to the velocity ratio

D. All of the above

A. Strain energy

B. Kinetic energy

C. Heat energy

D. Electrical energy

A. $$2\pi \sqrt {\frac{{{\text{gh}}}}{{{\text{k}}_{\text{G}}^2 + {{\text{h}}^2}}}} $$

B. $$2\pi \sqrt {\frac{{{\text{k}}_{\text{G}}^2 + {{\text{h}}^2}}}{{{\text{gh}}}}} $$

C. $$\frac{1}{{2\pi }}\sqrt {\frac{{{\text{gh}}}}{{{\text{k}}_{\text{G}}^2 + {{\text{h}}^2}}}} $$

D. $$\frac{1}{{2\pi }}\sqrt {\frac{{{\text{k}}_{\text{G}}^2 + {{\text{h}}^2}}}{{{\text{gh}}}}} $$

A. $$\omega \sqrt {{{\text{y}}^2} - {{\text{r}}^2}} $$

B. $$\omega \sqrt {{{\text{r}}^2} - {{\text{y}}^2}} $$

C. $${\omega ^2}\sqrt {{{\text{y}}^2} - {{\text{r}}^2}} $$

D. $${\omega ^2}\sqrt {{{\text{r}}^2} - {{\text{y}}^2}} $$

A. Change

B. Does not change

C. Changes periodically

D. None of these

A. $$\frac{{{{\text{u}}^2}{{\sin }^2}\alpha }}{{2{\text{g}}}}$$

B. $$\frac{{{{\text{u}}^2}{{\cos }^2}\alpha }}{{2{\text{g}}}}$$

C. $$\frac{{{{\text{u}}^2}{{\sin }^2}\alpha }}{{\text{g}}}$$

D. $$\frac{{{{\text{u}}^2}{{\cos }^2}\alpha }}{{\text{g}}}$$