MCQOPTIONS
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MCQOPTIONS
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Dynamics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The maximum acceleration of the follower occurs when the angle of action of cam on the circular flank is 90 degrees |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Flat faced follower s acceleration when in contact with a circular arc cam is given by _________ |
| A. | <sup>2</sup>(R-r<sub>1</sub>) |
| B. | <sup>2</sup>(R+r<sub>1</sub>)sin |
| C. | <sup>2</sup>(R-r<sub>1</sub>)cos |
| D. | <sup>2</sup>(R+r<sub>1</sub>)cos |
| Answer» D. <sup>2</sup>(R+r<sub>1</sub>)cos | |
| 3. |
If is the angle of action of cam on the circular flank, and r1 is the base circle of the cam, then the minimum acceleration of the follower is given by the equation. |
| A. | <sup>2</sup>(R-r<sub>1</sub>) |
| B. | <sup>2</sup>(R+r<sub>1</sub>)sin |
| C. | <sup>2</sup>(R-r<sub>1</sub>)cos |
| D. | <sup>2</sup>(R+r<sub>1</sub>)cos |
| Answer» D. <sup>2</sup>(R+r<sub>1</sub>)cos | |
| 4. |
If is the angle of action of cam on the circular flank, and r1 is the base circle of the cam, then the maximum acceleration of the follower is given by the equation. |
| A. | <sup>2</sup>(R-r<sub>1</sub>) |
| B. | <sup>2</sup>(R+r<sub>1</sub>)sin |
| C. | <sup>2</sup>(R-r<sub>1</sub>)cos |
| D. | <sup>2</sup>(R+r<sub>1</sub>)cos |
| Answer» B. <sup>2</sup>(R+r<sub>1</sub>)sin | |
| 5. |
If is the angle of action of cam on the circular flank, and r1 is the base circle of the cam, then the maximum velocity of the follower is given by the equation. |
| A. | (R-r<sub>1</sub>)sin |
| B. | (R+r<sub>1</sub>)sin |
| C. | (R-r<sub>1</sub>)cos |
| D. | (R+r<sub>1</sub>)cos |
| Answer» B. (R+r<sub>1</sub>)sin | |
| 6. |
On which of the following factors does the pressure angle of the cam does not depend? |
| A. | Offset between centre lines of follower and cam |
| B. | Angle of ascent |
| C. | Lift of the follower |
| D. | Shape of cam |
| Answer» E. | |
| 7. |
The size of cam is independent of the base circle. |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
When the flanks of the cam connecting the base circle and nose are of convex circular arcs, then the cam is known as _______ |
| A. | Circular frame cam |
| B. | Tanget arc cam |
| C. | Tangent frame |
| D. | Circular arc cam |
| Answer» E. | |