MCQOPTIONS
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MCQOPTIONS
This section includes 10 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. |
When the governor is too sensitive, then which of the following process occurs? |
| A. | Hunting |
| B. | More stability |
| C. | Less variation in speed |
| D. | Increased steadiness |
| Answer» B. More stability | |
| 2. |
On which of the following factors, the stability of governor does not depend? |
| A. | Speed |
| B. | Radius of rotation |
| C. | Governor equilibrium |
| D. | Mass of the engine |
| Answer» E. | |
| 3. |
For a stable governor, if the equilibrium speed increases, the radius of governor balls must also increase. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
For a governor, the sensitivity is 0.5 and the mean speed is 20 rpm, find the minimum speed. |
| A. | 15 rpm |
| B. | 25 rpm |
| C. | 30 rpm |
| D. | 40 rpm |
| Answer» B. 25 rpm | |
| 5. |
For a governor, the sensitivity is 0.5 and the mean speed is 20 rpm, find the maximum speed. |
| A. | 15 rpm |
| B. | 25 rpm |
| C. | 30 rpm |
| D. | 40 rpm |
| Answer» C. 30 rpm | |
| 6. |
Consider two governors A and B running at the same speed. When this speed increases or decreases by a certain amount, the lift of the sleeve of governor A is greater than the lift of the sleeve of governor B. Which of the following statement is true for the above situation? |
| A. | Governor A is more sensitive than B |
| B. | Governor B is more sensitive than A |
| C. | Governor A is equally sensitive as B |
| D. | Lift does not affect sensitivity |
| Answer» B. Governor B is more sensitive than A | |
| 7. |
When a governor is fitted into an engine, then sensitiveness is defined as the ratio of ________ of maximum and minimum speed to the mean speed. |
| A. | Sum |
| B. | Difference |
| C. | Product |
| D. | Root mean square |
| Answer» C. Product | |
| 8. |
The equilibrium speed of a governor varies from 30 rpm to 20 rpm, find the sensitiveness of the governor. |
| A. | 0.4 |
| B. | 1.5 |
| C. | 0.66 |
| D. | 1.25 |
| Answer» B. 1.5 | |
| 9. |
For a given lift of the sleeve, the sensitiveness of the governor increases as the speed range decreases |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
For a given fraction of change in speed, a more sensitive governor will have a ______ |
| A. | Higher lift |
| B. | Lower lift |
| C. | More effective length |
| D. | Less effective length |
| Answer» B. Lower lift | |