Theory Of Machine MCQ Questions & Answers | Mechanical Engineering Page-4 section-4

Section 1 Section 2 Section 3 Section 4 Section 5 Section 6

31.
A point B on a rigid link AB moves with respect to A with angular velocity $$\omega $$ rad/s. The radial component of the acceleration of B with respect to A, is (where vBA = Linear velocity of B with respect to A)

A. vBA × AB

B. $$\frac{{{\text{vBA}}}}{{{\text{AB}}}}$$

C. v²BA

D. $$\frac{{{{\text{v}}^2}{\text{BA}}}}{{{\text{AB}}}}$$

Answer & Solution Discuss in Board Save for Later

32.
The power from the engine to the rear axle of an automobile is transmitted by means of

A. Worm and worm wheel

B. Spur gears

C. Bevel gears

D. Hooke's joint

Answer & Solution Discuss in Board Save for Later

33.
Which of the following governor is used to drive a gramophone?

A. Watt governor

B. Porter governor

C. Pickering governor

D. Hartnell governor

Answer & Solution Discuss in Board Save for Later

34.
The following is the inversion of slider crank chain mechanism

A. Whitworth quick return mechanism

B. Hand pump

C. Oscillating cylinder engine

D. All of the above

Answer & Solution Discuss in Board Save for Later

35.
The partial balancing means

A. Balancing partially revolving masses

B. Balancing partially reciprocating masses

C. Best balancing of engines

D. All of these

Answer & Solution Discuss in Board Save for Later

36.
An imaginary circle which by pure rolling action, gives the same motion as the actual gear, is called

A. Addendum circle

B. Dedendum circle

C. Pitch circle

D. Clearance circle

Answer & Solution Discuss in Board Save for Later

37.
The balancing of a rigid rotor can be achieved by appropriately placing balancing masses in

A. A single plane

B. Two planes

C. Three planes

D. Four planes

Answer & Solution Discuss in Board Save for Later

38.
Which one of the following can completely balance several masses revolving in different planes on a shaft?

A. A single mass in different planes

B. Two masses in any two planes

C. A single mass in one of the planes of the revolving masses

D. Two equal masses in any two planes

Answer & Solution Discuss in Board Save for Later

39.
The frictional torque transmitted in a flat collar bearing, considering uniform pressure, is (where r₁ and r₂ = External and internal radii of collar respectively)

A. $$\frac{1}{2}\mu {\text{W}}\left( {{{\text{r}}_1} + {{\text{r}}_2}} \right)$$

B. $$\frac{2}{3}\mu {\text{W}}\left( {{{\text{r}}_1} + {{\text{r}}_2}} \right)$$

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

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

Answer & Solution Discuss in Board Save for Later

40.
The frictional torque transmitted in a flat collar bearing, considering uniform wear, is (where r₁ and r₂ = External and internal radii of collar respectively)

A. $$\frac{1}{2}\mu {\text{W}}\left( {{{\text{r}}_1} + {{\text{r}}_2}} \right)$$

B. $$\frac{2}{3}\mu {\text{W}}\left( {{{\text{r}}_1} + {{\text{r}}_2}} \right)$$

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

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

Answer & Solution Discuss in Board Save for Later

1 2 3 4 5 6 7 8 9 10

Theory Of Machine MCQ Questions & Answers | Mechanical Engineering

31. A point B on a rigid link AB moves with respect to A with angular velocity $$\omega $$ rad/s. The radial component of the acceleration of B with respect to A, is (where vBA = Linear velocity of B with respect to A)

Answer & Solution

32. The power from the engine to the rear axle of an automobile is transmitted by means of

Answer & Solution

33. Which of the following governor is used to drive a gramophone?

Answer & Solution

34. The following is the inversion of slider crank chain mechanism

Answer & Solution

35. The partial balancing means

Answer & Solution

36. An imaginary circle which by pure rolling action, gives the same motion as the actual gear, is called

Answer & Solution

37. The balancing of a rigid rotor can be achieved by appropriately placing balancing masses in

Answer & Solution

38. Which one of the following can completely balance several masses revolving in different planes on a shaft?

Answer & Solution

39. The frictional torque transmitted in a flat collar bearing, considering uniform pressure, is (where r1 and r2 = External and internal radii of collar respectively)

Answer & Solution

40. The frictional torque transmitted in a flat collar bearing, considering uniform wear, is (where r1 and r2 = External and internal radii of collar respectively)

Answer & Solution

Read More Section(Theory of Machine)

31.
A point B on a rigid link AB moves with respect to A with angular velocity $$\omega $$ rad/s. The radial component of the acceleration of B with respect to A, is (where vBA = Linear velocity of B with respect to A)

32.
The power from the engine to the rear axle of an automobile is transmitted by means of

33.
Which of the following governor is used to drive a gramophone?

34.
The following is the inversion of slider crank chain mechanism

35.
The partial balancing means

36.
An imaginary circle which by pure rolling action, gives the same motion as the actual gear, is called

37.
The balancing of a rigid rotor can be achieved by appropriately placing balancing masses in

38.
Which one of the following can completely balance several masses revolving in different planes on a shaft?

39.
The frictional torque transmitted in a flat collar bearing, considering uniform pressure, is (where r₁ and r₂ = External and internal radii of collar respectively)

40.
The frictional torque transmitted in a flat collar bearing, considering uniform wear, is (where r₁ and r₂ = External and internal radii of collar respectively)