MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Design knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Preloading is recommended for bearings. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Moment of normal force and frictional forces about the pivot axis are 640000N-mm and 250000N-mm respectively. If force acts at a distance of 190mm from the pivoted point, calculate the actuating force. |
| A. | 1078.6N |
| B. | 2052.6N |
| C. | 3223.5N |
| D. | 4454.5N |
| Answer» C. 3223.5N | |
| 3. |
In internally expanding brake, a large actuating force produces a small braking torque and hence this brake isn t used generally. |
| A. | True |
| B. | No, small actuating braking torque is produces |
| C. | Zero actuating force is required |
| D. | None of the listed |
| Answer» C. Zero actuating force is required | |
| 4. |
The intensity of normal pressure between the friction lining and the brake drum at any point is proportional to square of the vertical distance from the pivot. |
| A. | It is independent |
| B. | Proportional to vertical distance linearly |
| C. | Inversely proportion to vertical distance |
| D. | None of the listed |
| Answer» C. Inversely proportion to vertical distance | |