MCQOPTIONS
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MCQOPTIONS
This section includes 11 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. |
Can we use the rivets of diameter 18mm in the following case if P=30kN and bolts are separated by 100mm each. Maximum permissible shear stress is 60N/mm². |
| A. | Always |
| B. | Never |
| C. | In some cases |
| D. | Cannot be determined |
| Answer» B. Never | |
| 2. |
Calculate the diameter of the rivets if permissible shear stress is 60N/mm². Bolts are separated by 100mm and force P=30kN. |
| A. | 10mm |
| B. | 12mm |
| C. | 13mm |
| D. | 15mm |
| Answer» E. | |
| 3. |
Calculate the effective force in vector form to which rivet 4 is subjected. Bolts are separated by 100mm and force P=30kN. |
| A. | 7500j+7200i |
| B. | None of the listed |
| C. | 7500j+7200i |
| D. | 7500j+7200i |
| Answer» E. | |
| 4. |
If secondary shear stress acting on any bolts is given by Cxr₁ where r₁ is the distance of bolt from CG, then find the value of C. Bolts are equidistant with spacing of 100mm. Force P=30kN. |
| A. | 46 |
| B. | 50 |
| C. | 72 |
| D. | 64 |
| Answer» D. 64 | |
| 5. |
CAN_WE_USE_THE_RIVETS_OF_DIAMETER_18MM_IN_THE_FOLLOWING_CASE_IF_P=30KN_AND_BOLTS_ARE_SEPARATED_BY_100MM_EACH._MAXIMUM_PERMISSIBLE_SHEAR_STRESS_IS_60N/MM¬¨ â§.?$# |
| A. | Always |
| B. | Never |
| C. | In some cases |
| D. | Cannot be determined |
| Answer» B. Never | |
| 6. |
Are the bolts 2 and 3 subjected to same magnitude of force? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
Are the bolts 2 and 3 under same force? |
| A. | Yes |
| B. | No |
| C. | Depends on nature of force whether it is of shear or bending in nature |
| D. | Can’t be determined |
| Answer» C. Depends on nature of force whether it is of shear or bending in nature | |
| 8. |
Calculate the diameter of the rivets if permissible shear stress is 60N/mm². Bolts are separated by 100mm and force P=30kN.$ |
| A. | 10mm |
| B. | 12mm |
| C. | 13mm |
| D. | 15mm |
| Answer» E. | |
| 9. |
Calculate the effective force in vector form to which rivet 2 is subjected. Bolts are separated by 100mm and force P=30kN. |
| A. | 7500j+3600i |
| B. | 7500j-3600i |
| C. | -7500j-3600i |
| D. | None of the listed |
| Answer» C. -7500j-3600i | |
| 10. |
If secondary shear stress acting on any bolts is given by Cxr‚ÇÅ where r‚ÇÅ is the distance of bolt from CG, then find the value of C. Bolts are equidistant with spacing of 100mm. Force P=30kN.$ |
| A. | 46 |
| B. | 50 |
| C. | 72 |
| D. | 64 |
| Answer» D. 64 | |
| 11. |
Calculate the primary shear stress on each rivet if P=30kN and diameter of rivets is 15mm. |
| A. | None of the listed |
| B. | 21.2 N/mm² |
| C. | 42.4N/mm² |
| D. | 169.6 N/mm² |
| Answer» D. 169.6 N/mm¬¨¬®‚Äö√¢¬ß | |