MCQOPTIONS
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MCQOPTIONS
This section includes 9 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. |
Which of the following quantities cannot be examined from controlling force diagram? |
| A. | Sensitivity |
| B. | Stability |
| C. | Effect of friction |
| D. | Power of governor |
| Answer» E. | |
| 2. |
Control force diagram enables to examine stability and sensitivity of the governor. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
If the mass of the ball is 25 kg and the controlling force is 450 N with an angular velocity of 150 rpm, find the radius. |
| A. | 7.2 cm |
| B. | 7.9 cm |
| C. | 8.3 cm |
| D. | 12.3 cm |
| Answer» C. 8.3 cm | |
| 4. |
If the mass of the ball is 7.5 kg and the controlling force is 200N with an angular velocity of 100 rpm, find the radius. |
| A. | 24 cm |
| B. | 28 cm |
| C. | 30 cm |
| D. | 20 cm |
| Answer» B. 28 cm | |
| 5. |
Controlling force in the Hartnell governors is due to which of the following components? |
| A. | Weight of balls |
| B. | Weight of sleeve |
| C. | Spring |
| D. | Piston effort |
| Answer» C. Spring | |
| 6. |
Controlling force in the porter governors is due to which of the following components? |
| A. | Spring |
| B. | Weight of sleeve |
| C. | Weight of governor |
| D. | Piston effort |
| Answer» C. Weight of governor | |
| 7. |
If F=m.ω2.r represents the centrifugal force then which of the following expressions represents controlling force. |
| A. | F |
| B. | 2F |
| C. | -2F |
| D. | -F |
| Answer» E. | |
| 8. |
Controlling force is in the same direction as centrifugal force. |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
The controlling force acting on the governor is also known as ________ |
| A. | Centripetal force |
| B. | Centrifugal force |
| C. | Governor effort |
| D. | Piston effort |
| Answer» B. Centrifugal force | |