Strength of Materials problems
- 1. In a thin cylindrical shell subjected to an internal pressure p, the ratio of longitudinal stress to the hoop stress is
Options- A. 1/2
- B. 3/4
- C. 1
- D. 1.5 Discuss
Correct Answer: 1/2
- 2. The compression test is carried on __________ materials.
Options- A. ductile
- B. brittle
- C. malleable
- D. plastic Discuss
Correct Answer: brittle
- 3. The maximum shear stress is __________ the algebraic difference of maximum and minimum normal stresses.
Options- A. equal to
- B. one-fourth
- C. one-half
- D. twice Discuss
Correct Answer: one-half
- 4. In case of an over-reinforced beam, the depth of actual neutral axis is the same as that of the critical neutral axis.
Options- A. True
- B. False Discuss
Correct Answer: False
- 5. A rectangular beam subjected to a bending moment is shown in the below figure. The upper layer of the beam will be in tension.
Options- A. True
- B. False Discuss
Correct Answer: False
- 6. A closely-coiled helical spring of stiffness k is cut into (n) equal parts. The stiffness in each part of the spring will be
Options- A. kn
- B. nk
- C. nk
- D. nk2 Discuss
Correct Answer: nk
- 7. The bending moment at the ends of a simply supported beam will be zero.
Options- A. Yes
- B. No Discuss
Correct Answer: Yes
- 8. For no tension condition in the base of a short column of circular section, the line of action of the load should be within a circle of diameter equal to __________ of the main circle.
Options- A. one-half
- B. one-third
- C. one-fourth
- D. one-eighth Discuss
Correct Answer: one-fourth
- 9. When a body is subjected to a direct tensile stress (?) in one plane, then maximum normal stress occurs at a section inclined at __________ to the normal of the section.
Options- A. 0°
- B. 30°
- C. 45°
- D. 90° Discuss
Correct Answer: 0°
- 10. In case of an under-reinforced beam, the depth of actual neutral axis is __________ that of the critical neutral axis.
Options- A. same as
- B. less than
- C. greater than Discuss
Correct Answer: less than
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