MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Strength of Materials Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A bar shown in diagram is subjected to load 160kN. If the stress in the middle portion Is limited to 150N/mm2, what will be the diameter of the middle portion? |
| A. | 3.456 cm |
| B. | 3.685 cm |
| C. | 4.524 cm |
| D. | 4.124 cm |
| Answer» C. 4.524 cm | |
| 2. |
What will be the elongation of a bar of 1250mm2 area and 90cm length when applied a force of 130kN if E = 1.05x 105 N/mm2? |
| A. | 0.947mm |
| B. | 0.891mm |
| C. | 0.845mm |
| D. | 0.745mm |
| Answer» C. 0.845mm | |
| 3. |
A rod of two sections of area 625mm2 and 2500mm2 of length 120cm and 60cm respectively. If the load applied is 45kN then what will be the elongation (E = 2.1x 105 N/mm2)? |
| A. | 0.462mm |
| B. | 0.521mm |
| C. | 0.365mm |
| D. | 0.514mm |
| Answer» B. 0.521mm | |
| 4. |
A composite rod is 1000mm long, its two ends are 40mm2 and 30mm2 in area and length are 300mm and 200mm respectively. The middle portion of the rod is 20mm2 in area. If the rod is subjected to an axial tensile load of 1000N, what will be its total elongation (E = 200GPa)? |
| A. | 0.145mm |
| B. | 0.127mm |
| C. | 0.187mm |
| D. | 0.196mm |
| Answer» E. | |
| 5. |
A composite rod is 1000mm long, its two ends are 40 mm2 and 30mm2 in area and length are 400mm and 600mm respectively. If the rod is subjected to an axial tensile load of 1000N, what will be its total elongation(E = 200GPa)? |
| A. | 0.130m |
| B. | 0.197mm |
| C. | 0.160mm |
| D. | 0.150mm |
| Answer» B. 0.197mm | |