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. |
With the help of following data, calculate the braking torque in N-m.T1 = 2500 NT2 = 200 Ndiameter of drum = 350mm |
| A. | 402.5 |
| B. | 805 |
| C. | 201.5 |
| D. | 560 |
| Answer» B. 805 | |
| 2. |
Braking torque is independent of the radius of drum. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
Which of the following brake does not has self locking? |
| A. | Disk |
| B. | Differential band |
| C. | Simple band |
| D. | Depends on the acting force |
| Answer» B. Differential band | |
| 4. |
For the given figure, the brake can sustain a torque of 350 N-m and coefficient of friction between the band and drum is 0.3, find OA for self locking condition during clockwise rotation. |
| A. | 114mm |
| B. | 130mm |
| C. | 57mm |
| D. | 88mm |
| Answer» B. 130mm | |
| 5. |
For the given figure, the brake can sustain a torque of 350 N-m and coefficient of friction between the band and drum is 0.3, If the drum rotates in anticlockwise direction, find force in N. |
| A. | 804 |
| B. | 756 |
| C. | 850 |
| D. | 900 |
| Answer» B. 756 | |
| 6. |
For the given figure, the brake can sustain a torque of 350 N-m and coefficient of friction between the band and drum is 0.3, find necessary force required for clockwise rotation of the drum in N. |
| A. | 32 |
| B. | 64 |
| C. | 96 |
| D. | 128 |
| Answer» C. 96 | |
| 7. |
For a simple band brake, the fulcrum is at the end of the lever. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
When the fulcrum is between the two ends of a lever, the type of brake is _____ |
| A. | Simple band brake |
| B. | Differential band brake |
| C. | Shoe brake |
| D. | Double block shoe brake |
| Answer» C. Shoe brake | |