Theory Of Machine MCQ Questions & Answers | Mechanical Engineering

A. Equal to velocity ratio of a gear train

B. Reciprocal of velocity ratio of a gear train

C. Always greater than unity

D. Always less than unity

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

B. $$2\omega {\text{v}}$$

C. $${\omega ^2}{\text{v}}$$

D. $$2\omega {{\text{v}}^2}$$

A. Spur gear

B. Bevel gear

C. Spiral gear

D. None of the above

A. Bolt and nut

B. Lead screw of a lathe

C. Ball and socket joint

D. Ball bearing and roller bearing

A. Along PO

B. Perpendicular to PO

C. At 45° to PO

D. None of the above

A. Bevel gear

B. Universal joint

C. Hooke's joint

D. Knuckle joint

A. 1

B. 2

C. 3

D. 4

A. $$\frac{1}{2}\mu {\text{Wcosec}}\alpha \left( {{{\text{r}}_{\text{1}}} + {{\text{r}}_{\text{2}}}} \right)$$

B. $$\frac{2}{3}\mu {\text{Wcosec}}\alpha \left( {{{\text{r}}_{\text{1}}} + {{\text{r}}_{\text{2}}}} \right)$$

C. $$\frac{1}{2}\mu {\text{Wcosec}}\alpha \left( {\frac{{{\text{r}}_1^3 - {\text{r}}_2^3}}{{{\text{r}}_1^2 - {\text{r}}_2^2}}} \right)$$

D. $$\frac{2}{3}\mu {\text{Wcosec}}\alpha \left( {\frac{{{\text{r}}_1^3 - {\text{r}}_2^3}}{{{\text{r}}_1^2 - {\text{r}}_2^2}}} \right)$$

A. Equal to

B. Less than

C. Greater than

D. None of these

A. Linear displacement

B. Rotational motion

C. Gravitational acceleration

D. Tangential acceleration