MCQOPTIONS
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MCQOPTIONS
This section includes 21 Mcqs, each offering curated multiple-choice questions to sharpen your Strength Materials knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The transverse shear stress acting in a beam of rectangular cross-section, subjected to a transverse shear load, is ____________ |
| A. | variable with maximum at the bottom of the beam |
| B. | Variable with maximum at the top of the beam |
| C. | Uniform |
| D. | Variable with maximum on the neutral axis |
| Answer» E. | |
| 2. |
Which of the following stresses are associated with the tightening of a nut on a bolt?P. Crushing and shear stress in threadsQ. Bending stress due to the bending of boltR. Torsional shear stress due to frictional resistance between the nut and the boltSelect the correct answer using the codes given below: |
| A. | P and Q |
| B. | P and R |
| C. | Only P |
| D. | Only R |
| Answer» B. P and R | |
| 3. |
What is the formula for shear stress? |
| A. | Shear resistance/shear area |
| B. | Force/unit area |
| C. | Bending strain/area |
| D. | Shear stress/length |
| Answer» B. Force/unit area | |
| 4. |
The stress induced in a body, when subjected to two equal and opposite forces which are acting tangentially across the resisting section resulting the shearing of the body across its section is called ____________ |
| A. | Bending stress |
| B. | Compressive stress |
| C. | Shear strain |
| D. | Shear stress |
| Answer» E. | |
| 5. |
A diagram which shows the variations of the axial load for all sections of the pan of a beam is called ____________ |
| A. | Bending moment diagram |
| B. | Shear force diagram |
| C. | Thrust diagram |
| D. | Stress diagram |
| Answer» E. | |
| 6. |
A material has a Poisson’s ratio of 0.5. If uniform pressure of 300GPa is applied to that material, What will be the volumetric strain of it? |
| A. | 0.5 |
| B. | 0.20 |
| C. | 0.25 |
| D. | Zero |
| Answer» E. | |
| 7. |
Which type of stress does in a reinforcement bar is taken by the concrete? |
| A. | Tensile stress |
| B. | Compressive stress |
| C. | Shear stress |
| D. | Bending stress |
| Answer» C. Shear stress | |
| 8. |
If a bar of large length when held vertically and subjected to a load at its lower end, its won-weight produces additional stress. The maximum stress will be ____________ |
| A. | At the lower cross-section |
| B. | At the built-in upper cross-section |
| C. | At the central cross-section |
| D. | At every point of the bar |
| Answer» C. At the central cross-section | |
| 9. |
In a body loaded under plane stress conditions, what is the number of independent stress components? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 6 |
| Answer» D. 6 | |
| 10. |
The stress which acts in a direction perpendicular to the area is called ____________ |
| A. | Shear stress |
| B. | Normal stress |
| C. | Thermal stress |
| D. | None of the mentioned |
| Answer» C. Thermal stress | |
| 11. |
In the given figure a stepped column carries loads. What will be the maximum normal stress in the column at B in the larger diameter column if the ratio of P/A here is unity? |
| A. | 1/1.5 |
| B. | 1 |
| C. | 2/1.5 |
| D. | 2 |
| Answer» D. 2 | |
| 12. |
THE_STRESS_INDUCED_IN_A_BODY,_WHEN_SUBJECTED_TO_TWO_EQUAL_AND_OPPOSITE_FORCES_WHICH_ARE_ACTING_TANGENTIALLY_ACROSS_THE_RESISTING_SECTION_RESULTING_THE_SHEARING_OF_THE_BODY_ACROSS_ITS_SECTION_IS_CALLED?$ |
| A. | Bending stress |
| B. | Compressive stress |
| C. | Shear strain |
| D. | Shear stress |
| Answer» E. | |
| 13. |
What is the formula for shear stress?$ |
| A. | Shear resistance / shear area |
| B. | Force / unit area |
| C. | Bending strain / area |
| D. | Shear stress / length |
| Answer» B. Force / unit area | |
| 14. |
A block 100mm x 100mm base and 10mm height. What will the direct shear stress in the element when a tangential force of 10kN is applied to the upper edge to a displacement 1mm relative to lower face? |
| A. | 1Pa |
| B. | 1MPa |
| C. | 10MPa |
| D. | 100Pa |
| Answer» C. 10MPa | |
| 15. |
The transverse shear stress acting in a beam of rectangular cross-section, subjected to a transverse shear load, is |
| A. | variable with maximum at the bottom of the beam |
| B. | Variable with maximum at the top of the beam |
| C. | Uniform |
| D. | Variable with maximum on the neutral axis |
| Answer» E. | |
| 16. |
A material has Poisson’s ratio of 0.5. If uniform pressure of 300GPa is applied to that material , What will be the volumetric strain of it?$ |
| A. | 0.50 |
| B. | 0.20 |
| C. | 0.25 |
| D. | Zero |
| Answer» E. | |
| 17. |
Which type of stress does in a reinforcement bar is taken by the concrete ? |
| A. | Tensile stress |
| B. | Compressive stress |
| C. | Shear stress |
| D. | Bending stress |
| Answer» C. Shear stress | |
| 18. |
If a bar of large length when held vertically and subjected to a load at its lower end, its won-weight produces additional stress. The maximum stress will be |
| A. | At the lower cross-section |
| B. | At the built-in upper cross-section |
| C. | At the central cross-section |
| D. | At every point of the bar |
| Answer» C. At the central cross-section | |
| 19. |
In a body loaded under plane stress conditions, what is the number of independent stress components ? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 6 |
| Answer» D. 6 | |
| 20. |
Which of these are types of normal stresses? |
| A. | Tensile and compressive stresses |
| B. | Tensile and thermal stresses |
| C. | Shear and bending |
| D. | Compressive and plane stresses |
| Answer» B. Tensile and thermal stresses | |
| 21. |
The stress which acts in a direction perpendicular to the area is called |
| A. | shear stress |
| B. | Normal stress |
| C. | Thermal stress |
| D. | None of the mentioned |
| Answer» C. Thermal stress | |