MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 7 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. |
A shaft fitted with a flywheel rotates at 250 r.p.m. and drives a machine, the torque fluctuated about 18750 N-m, find the power required to drive the machine. |
| A. | 49.125 kW |
| B. | 24.56 kW |
| C. | 12.28 kW |
| D. | 6.14 kW |
| Answer» B. 24.56 kW | |
| 2. |
For a 4 stroke IC engine, Tmean = 1875 N-m, then find the work done per cycle. |
| A. | 23.56 kJ |
| B. | 11.78 kJ |
| C. | 5.89 kJ |
| D. | 2.94 kJ |
| Answer» B. 11.78 kJ | |
| 3. |
To calculate power generated, product of maximum torque and angular speed is taken. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
For a 4 stroke IC engine, the angle assumes a value equal to _______ |
| A. | |
| B. | 2 |
| C. | 4 |
| D. | /2 |
| Answer» D. /2 | |
| 5. |
Work done per cycle is calculated as _______ |
| A. | Tmean |
| B. | Tmin |
| C. | Tmax |
| D. | Tmax /2 |
| Answer» B. Tmin | |
| 6. |
Coefficient of fluctuation of energy is ratio of _______ |
| A. | Mean fluctuation energy to work done per cycle |
| B. | Maximum fluctuation energy to work done per cycle |
| C. | Minimum fluctuation energy to work done per cycle |
| D. | Mean fluctuation energy to power generated per cycle |
| Answer» C. Minimum fluctuation energy to work done per cycle | |
| 7. |
The fluctuation of energy is the variation of energy above the line of minimum torque. |
| A. | True |
| B. | False |
| Answer» C. | |