MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A 60 mm long and 6 mm thick fillet weld carries a steady load of 15 kN along the weld. The shear strength of the weld material is equal to 200 MPa. The factor of safety is |
| A. | 2.4 |
| B. | 3.4 |
| C. | 4.8 |
| D. | 6.8 |
| Answer» C. 4.8 | |
| 2. |
A steel plate, connected to a fixed channel using three identical bolts A, B, and C, carries a load of 6 kN as shown in the figure. Considering the effect of direct load and moment, the magnitude of resultant shear force (in kN) on bolt C is |
| A. | 13 |
| B. | 15 |
| C. | 17 |
| D. | 30 |
| Answer» D. 30 | |
| 3. |
A bolted joint is shown below. The maximum shear stress, in MPa, in the bolts at A and B, respectively are (all dimensions in the figure are in mm) |
| A. | 242.6, 42.5 |
| B. | 42.5, 242.6 |
| C. | 42.5, 42.5 |
| D. | 242.6, 242.6 |
| Answer» B. 42.5, 242.6 | |
| 4. |
A cylindrical rod threaded at both the ends is called a: |
| A. | rivet |
| B. | bolt |
| C. | allen bolt |
| D. | stud |
| Answer» E. | |
| 5. |
For the three bolt system shown in the figure, the bolt material has shear yield strength of 200 MPa. For a factor of safety of 2, the minimum metric specification required for the bolt is |
| A. | M8 |
| B. | M10 |
| C. | M12 |
| D. | M16 |
| Answer» C. M12 | |