Theory Of Machine MCQ Questions & Answers | Mechanical Engineering

A. Offset between center lines of cam and follower

B. Lift of follower

C. Angle of ascent

D. All of the above

A. Base circle

B. Pitch circle

C. Prime circle

D. Pitch curve

A. $${\omega ^2}{\text{R}}\cos \theta $$

B. $${\omega ^2}\left( {{\text{R}} - {{\text{r}}_1}} \right)\cos \theta $$

C. $${\omega ^2}\left( {{\text{R}} - {{\text{r}}_1}} \right)\sin \theta $$

D. $${\omega ^2}{{\text{r}}_1}\sin \theta $$

A. $${\omega ^2}\left( {{{\text{r}}_1}{{\text{r}}_2}} \right)\left( {1 - {{\cos }^2}\theta } \right)$$

B. $${\omega ^2}\left( {{{\text{r}}_1} + {{\text{r}}_2}} \right)\left( {1 + {{\cos }^2}\theta } \right)$$

C. $${\omega ^2}\left( {{{\text{r}}_1} + {{\text{r}}_2}} \right)\left( {\frac{{2 - {{\cos }^2}\theta }}{{{{\cos }^3}\theta }}} \right)$$

D. $${\omega ^2}\left( {{{\text{r}}_1} - {{\text{r}}_2}} \right)\left( {1 - {{\sin }^2}\theta } \right)$$

A. $$\omega {\text{R}}\cos \theta $$

B. $$\omega \left( {{\text{R}} - {{\text{r}}_1}} \right)\cos \theta $$

C. $$\omega \left( {{\text{R}} - {{\text{r}}_1}} \right)\sin \theta $$

D. $$\omega {{\text{r}}_1}\sin \theta $$

A. Crank has a uniform angular velocity

B. Crank has non-uniform velocity

C. Crank has uniform angular acceleration

D. Crank has uniform angular velocity and angular acceleration

A. A small value of pressure angle

B. A large value of pressure angle

C. There is no such relation with pressure angle

D. Something else

A. Slider-crank mechanism

B. Velocity polygon

C. Acceleration polygon

D. Four bar chain mechanism

A. Displacement diagram

B. Velocity diagram

C. Acceleration diagram

D. All of the above

A. A straight line

B. A circle

C. Involute

D. Cycloidal