MCQOPTIONS
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MCQOPTIONS
This section includes 6 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 circular pipe is subjected to maximum shear force of 60 kN. What is the diameter of the pipe if maximum allowable shear stress is 5 Mpa? |
| A. | 27.311 mm |
| B. | 75.56 mm |
| C. | 142.72 mm |
| D. | 692.10 mm |
| Answer» D. 692.10 mm | |
| 2. |
A circular bar is subjected to an axial force and shear force, the difference between two principle stresses is 120 Mpa. Based on maximum shear stress theory what is the factor of safety, if elastic limit of the bar is 300 Mpa? |
| A. | 5 |
| B. | 2 |
| C. | 2.5 |
| D. | 3 |
| Answer» D. 3 | |
| 3. |
A cable with a uniformly distributed load per horizontal metre run will take the following shape_________________? |
| A. | straight line |
| B. | parabola |
| C. | hyperbola |
| D. | elliptical |
| Answer» C. hyperbola | |
| 4. |
A boiler shell 200 cm diameter and plate thickness 1.5 cm is subjected to internal pressure of 1.5 MN/m , then the hoop stress will be_________________? |
| A. | 30 MN/m2 |
| B. | 50 MN/m2 |
| C. | 100 MN/m2 |
| D. | 200 MN/m2 |
| Answer» D. 200 MN/m2 | |
| 5. |
A body moves, from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec is most nearly_______________? |
| A. | 38 m |
| B. | 62.5 m |
| C. | 96 m |
| D. | 124 m |
| Answer» C. 96 m | |
| 6. |
A beam is loaded as cantilever. If the load at the end is increased, the failure will occur ___________________? |
| A. | in the middle |
| B. | at the tip below the load |
| C. | at the support |
| D. | anywhere |
| Answer» E. | |