Theory Of Machine MCQ Questions & Answers | Mechanical Engineering

A. $${\text{P}} = {\text{W}}\tan \left( {\alpha - \varphi } \right)$$

B. $${\text{P}} = {\text{W}}\tan \left( {\alpha + \varphi } \right)$$

C. $${\text{P}} = {\text{W}}\tan \left( {\varphi - \alpha } \right)$$

D. $${\text{P}} = {\text{W}}\cos \left( {\alpha + \varphi } \right)$$

A. $${\text{T}} = {\text{Wr}}\tan \left( {\varphi - \alpha } \right)$$

B. $${\text{T}} = {\text{Wr}}\tan \left( {\varphi + \alpha } \right)$$

C. $${\text{T}} = {\text{Wr}}\tan \alpha $$

D. $${\text{T}} = {\text{Wr}}\tan \varphi $$

A. Toothed gearing

B. Belt and rope drive

C. Ball and roller bearing

D. All of these

A. Changing of a higher pair to a lower pair

B. Turning its upside down

C. Obtained by fixing different links in a kinematic chain

D. Obtained by reversing the input and output motion

A. Rack and pinion

B. Worm and wheel

C. Spiral gears

D. None of the above

A. 2

B. 3

C. 4

D. 5

A. n = ($$l$$ - 1) - j

B. n = 2($$l$$ - 1) - 2j

C. n = 3($$l$$ - 1) - 2j

D. n = 4($$l$$ - 1) - 3j

A. 10°

B. 14°

C. 20°

D. 30°

A. Belt, rope and chain drives

B. Gears, cams

C. Ball and roller bearings

D. All of the above

A. $$\omega \left( {{{\text{r}}_1}{{\text{r}}_2}} \right)\sin \theta $$

B. $$\omega \left( {{{\text{r}}_1} + {{\text{r}}_2}} \right)\sin \theta \sec 2\theta $$

C. $$\omega \left( {{{\text{r}}_1}{{\text{r}}_2}} \right)\cos \theta $$

D. $$\omega \left( {{{\text{r}}_1} + {{\text{r}}_2}} \right)\cos \theta \,{\text{cosec2}}\theta $$