MCQOPTIONS
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MCQOPTIONS
This section includes 17 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. |
Keyed joints never lead to stress concentration on shafts. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Feather key can be used to prevent axial motion between two elements. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
Calculate the net energy output from the flywheel. |
| A. | 1300mm² |
| B. | 1400mm² |
| C. | 1250mm² |
| D. | 1500mm² |
| Answer» D. 1500mm² | |
| 4. |
Calculate the energy at point C if energy at point A is U. |
| A. | U-550 |
| B. | None of the listed |
| C. | U+550 |
| D. | U+550 |
| Answer» D. U+550 | |
| 5. |
Calculate the energy at point B if energy assumed at point A is U. |
| A. | U |
| B. | U-300 |
| C. | U+300 |
| D. | U-150 |
| Answer» C. U+300 | |
| 6. |
Torque vs. theta graph of a flywheel is shown. Coefficient of fluctuation of speed is 0.2 and the mean angular velocity of the machine is 25 rad/s. Thickness of flywheel is 20mm and density of steel used is 7700kg/mᵌ. Calculate the outer radius of the flywheel. |
| A. | 402mm |
| B. | 202mm |
| C. | 540mm |
| D. | 468mmView Answer |
| Answer» B. 202mm | |
| 7. |
Calculate the coefficient of steadiness if maximum speed of flywheel is 2500rpm and minimum speed is 1800rpm.a) 3.03b) 0.33c) 0.44d) 3.99 Answer the questions 3-7 with respect to figure1.3. Calculate the mean torque T supplied by motor (Torque vs. theta graph of a flywheel is shown above). |
| A. | 3.03b) 0.33c) 0.44d) 3.99 Answer the questions 3-7 with respect to figure1.3. Calculate the mean torque T supplied by motor (Torque vs. theta graph of a flywheel is shown above).a) 3000N-m |
| B. | 0.33c) 0.44d) 3.99 Answer the questions 3-7 with respect to figure1.3. Calculate the mean torque T supplied by motor (Torque vs. theta graph of a flywheel is shown above).a) 3000N-mb) 1500N-m |
| C. | 0.44d) 3.99 Answer the questions 3-7 with respect to figure1.3. Calculate the mean torque T supplied by motor (Torque vs. theta graph of a flywheel is shown above).a) 3000N-mb) 1500N-mc) 2000N-m |
| D. | 3.99 Answer the questions 3-7 with respect to figure1.3. Calculate the mean torque T supplied by motor (Torque vs. theta graph of a flywheel is shown abov |
| E. | .a) 3000N-mb) 1500N-mc) 2000N-md) 2500N-mView Answer |
| Answer» B. 0.33c) 0.44d) 3.99 Answer the questions 3-7 with respect to figure1.3. Calculate the mean torque T supplied by motor (Torque vs. theta graph of a flywheel is shown above).a) 3000N-mb) 1500N-m | |
| 8. |
Calculate the energy at point C if energy at point A is U.$ |
| A. | U-550 |
| B. | None of the listed |
| C. | U+550 |
| D. | U+550 |
| Answer» D. U+550 | |
| 9. |
Calculate the energy at point B if energy assumed at point A is U.$ |
| A. | U |
| B. | U-300 |
| C. | U+300 |
| D. | U-150 |
| Answer» C. U+300 | |
| 10. |
Calculate the point of minimum energy. |
| A. | U+480 |
| B. | U+650 |
| C. | U-300 |
| D. | U-450 |
| Answer» C. U-300 | |
| 11. |
Calculate the maximum energy. |
| A. | U+1000 |
| B. | U+950 |
| C. | U+630 |
| D. | U+600 |
| Answer» C. U+630 | |
| 12. |
Calculate the energy at point F if energy at A is u. |
| A. | U+340 |
| B. | U+260 |
| C. | U+400 |
| D. | Can’t be determined |
| Answer» D. Can‚Äö√Ñ√∂‚àö√ë‚àö¬•t be determined | |
| 13. |
Calculate the energy output from flywheel. |
| A. | 500π |
| B. | 150π |
| C. | 200π |
| D. | 250π |
| Answer» B. 150‚âà√¨‚àö√ë | |
| 14. |
The point where velocity of flywheel is maximum is |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» E. | |
| 15. |
The point where angular velocity is maximum is? |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» C. C | |
| 16. |
Calculate the coefficient of steadiness if maximum speed of flywheel is 2500rpm and minimum speed is 1800rpm. |
| A. | 3.03 |
| B. | 0.33 |
| C. | 0.44 |
| D. | 3.99 |
| Answer» B. 0.33 | |
| 17. |
Calculate the coefficient of fluctuation of speed if maximum speed is 2500rpm and minimum speed is 1800rpm. |
| A. | 1.44 |
| B. | 1.33 |
| C. | 0.33 |
| D. | 0.44 |
| Answer» D. 0.44 | |