MCQOPTIONS
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MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Kinematics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In a lifting machine, the effort required to lift loads of 200N and 300N were 50N and 60N respectively. If the velocity ratio of the machine is 20 determine maximum efficiency which can be expected from this machine. |
| A. | 30 % |
| B. | 40 % |
| C. | 50 % |
| D. | 60 % |
| Answer» D. 60 % | |
| 2. |
In a lifting machine, the effort required to lift loads of 200N and 300N were 50N and 60N respectively. If the velocity ratio of the machine is 20 determine effort loss in friction at 200 N. |
| A. | 30 N |
| B. | 35 N |
| C. | 40 N |
| D. | 45 N |
| Answer» E. | |
| 3. |
Which type of pair formed by two elements which are so connected that one is constrained to turn or revolve about a fixed axis of another element? |
| A. | Turning pair |
| B. | Rolling pair |
| C. | Sliding pair |
| D. | Higher pair |
| Answer» B. Rolling pair | |
| 4. |
What is the correct representation of velocity of point A with respect to B in a link? |
| A. | Vab |
| B. | Vba |
| C. | Va-b |
| D. | Vb-a |
| Answer» B. Vba | |
| 5. |
The direction of velocity is parallel if the rotation is anticlockwise and perpendicular to the line joining links if the rotation is clockwise. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
What is the direction of velocity of a point in a link relative to another point on the same link rotating in a specific direction. |
| A. | Perpendicular to line joining both the links |
| B. | Parallel to line joining both the links |
| C. | Perpendicular to the surface of the link |
| D. | Parallel to the surface of the link |
| Answer» B. Parallel to line joining both the links | |