MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 13 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. |
Determine the size of the bolts if yield strength of bolt is 400N/mm² and factor of safety is 4. The bolts are equidistant having separated by 60mm and the margin to the left and right is 25mm. Also P=5kN acts at a distance of 200mm from the channel. |
| A. | 14.34mm |
| B. | 13.44mm |
| C. | 15.44mm |
| D. | 12.66mm |
| Answer» C. 15.44mm | |
| 2. |
In figure 2, determine the size of the bolts. |
| A. | 10.74mm |
| B. | 9.23mm |
| C. | 11.54mm |
| D. | 8.68mm |
| Answer» B. 9.23mm | |
| 3. |
In figure 2, determine the resultant shear force on the bolt lying right and above the CG. |
| A. | 654334N |
| B. | 6047.44N |
| C. | 5047.44N |
| D. | 5989.32N |
| Answer» C. 5047.44N | |
| 4. |
Referring to figure 2, determine the resultant shear force on the bolt lying left and above the CG. |
| A. | 4068.58N |
| B. | 4168.58N |
| C. | 5068.58N |
| D. | 5168.65N |
| Answer» B. 4168.58N | |
| 5. |
Refer to fig 1. Two plates are fastened by means of two bolts. The yield strength of bolt is 400N/mm² and factor of safety is 4. Determine the size of the bolts. |
| A. | 8mm |
| B. | 9mm |
| C. | 10mm |
| D. | 11mm |
| Answer» B. 9mm | |
| 6. |
If core diameter of bolt is 13.8cm the it’s nominal diameter is given by?a) 17.27mmb) 15.34mmc) 14.67mmd) 16.34mm Figure 12. Refer to fig 1.Two plates are fastened by means of two bolts. The yield strength of bolt is 400N/mm² and factor of safety is 4. Determine the permissible shear stress in the bolts. |
| A. | 17.27mmb) 15.34mmc) 14.67mmd) 16.34mm Figure 12. Refer to fig 1.Two plates are fastened by means of two bolts. The yield strength of bolt is 400N/mm² and factor of safety is 4. Determine the permissible shear stress in the bolts.a) 100N/mm² |
| B. | 15.34mmc) 14.67mmd) 16.34mm Figure 12. Refer to fig 1.Two plates are fastened by means of two bolts. The yield strength of bolt is 400N/mm² and factor of safety is 4. Determine the permissible shear stress in the bolts.a) 100N/mm²b) 50N/mm² |
| C. | 14.67mmd) 16.34mm Figure 12. Refer to fig 1.Two plates are fastened by means of two bolts. The yield strength of bolt is 400N/mm² and factor of safety is 4. Determine the permissible shear stress in the bolts.a) 100N/mm²b) 50N/mm²c) 25N/mm² |
| D. | 16.34mm Figure 12. Refer to fig 1.Two plates are fastened by means of two bolts. The yield strength of bolt is 400N/mm² and factor of safety is 4. Determine the permissible shear stress in the bolts.a) 100N/mm²b) 50N/mm²c) 25N/mm²d) 75N/mm²View Answer |
| Answer» B. 15.34mmc) 14.67mmd) 16.34mm Figure 12. Refer to fig 1.Two plates are fastened by means of two bolts. The yield strength of bolt is 400N/mm² and factor of safety is 4. Determine the permissible shear stress in the bolts.a) 100N/mm²b) 50N/mm² | |
| 7. |
Which bolt is under maximum shear stress?$ |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | All are under equivalent shear stress |
| Answer» C. 3 | |
| 8. |
Determine the primary shear stress to which the bolts are subjected if P=3kN. |
| A. | 3000N |
| B. | 1000N |
| C. | 2000N |
| D. | None of the listed |
| Answer» C. 2000N | |
| 9. |
Arrange the bolts in order of decreasing shear stresses. |
| A. | 1>2>3 |
| B. | 2>1>3 |
| C. | 3>1>2 |
| D. | 3>2>1 |
| Answer» D. 3>2>1 | |
| 10. |
Referring to fig 3, Determine the secondary shear force. |
| A. | 2000N |
| B. | 2500N |
| C. | 1500N |
| D. | 5000N |
| Answer» B. 2500N | |
| 11. |
Referring to fig 2, Determine the primary shear force. |
| A. | 625N |
| B. | 1250N |
| C. | 2500N |
| D. | 1000N |
| Answer» E. | |
| 12. |
Refer to fig 1. Two plates are fastened by means of two bolts. The yield strength of bolt is 400N/mm² and factor of safety is 4. Determine the size of the bolts.$ |
| A. | 8mm |
| B. | 9mm |
| C. | 10mm |
| D. | 11mm |
| Answer» B. 9mm | |
| 13. |
If core diameter of bolt is 13.8cm the it’s nominal diameter is given by? |
| A. | 17.27mm |
| B. | 15.34mm |
| C. | 14.67mm |
| D. | 16.34mm |
| Answer» B. 15.34mm | |