Engineering Mechanics MCQ Questions & Answers | Mechanical Engineering

A. $$I\omega $$

B. $$I{\omega ^2}$$

C. $$0.5I\omega $$

D. $$0.5I{\omega ^2}$$

A. W sinθ

B. W cosθ

C. W tanθ

D. None of these

A. $$\omega {\text{y}}$$

B. $${\omega ^2}{\text{y}}$$

C. $$\frac{{{\omega ^2}}}{{\text{y}}}$$

D. $${\omega ^3}{\text{y}}$$

A. P = mW - C

B. P = $$\frac{{\text{m}}}{{\text{W}}}$$ + C

C. P = mW + C

D. P = C - mW

A. Reversible machine

B. Non-reversible machine

C. Neither reversible nor non-reversible machine

D. Ideal machine

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

B. $$\frac{{\text{h}}}{3}$$

C. $$\frac{{\text{h}}}{4}$$

D. $$\frac{{\text{h}}}{6}$$

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

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

C. $${\text{t}} = \frac{{2{\text{u}}\tan \alpha }}{{\text{g}}}$$

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

A. 30°

B. 45°

C. 60°

D. 90°

A. Mechanical advantage is greater than velocity ratio

B. Mechanical advantage is equal to velocity ratio

C. Mechanical advantage is less than velocity ratio

D. Mechanical advantage is unity

A. Meet in a point

B. Be all parallel

C. At least two of them must meet

D. All the above are correct