Discussion
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- Question
The neutral axis of a beam cross-section must
Options- A. pass through the centroid of the section
- B. be equidistant from the top of bottom films
- C. be an axis of symmetry of the section
- D. none of these.
- Correct Answer
- pass through the centroid of the section
- 1. The maximum compressive stress at the top of a beam is 1600 kg/cm2 and the corresponding tensile stress at its bottom is 400 kg/cm2 . If the depth of the beam is 10 cm, the neutral axis from the top, is
Options- A. 2 cm
- B. 4 cm
- C. 6 cm
- D. 8 cm
- E. 10 cm. Discuss
- 2. Simple bending equation is
Options- A.
- B.
- C.
- D.
- E. none of these. Discuss
- 3. When a rectangular beam is loaded transversely, the maximum compressive stress develops on
Options- A. bottom fibre
- B. top fibre
- C. neutral axis
- D. every cross-section. Discuss
- 4. Failure of riverted joints is due to
Options- A. Tearing of the plates between the rivet hole and the edge of the plate
- B. Tearing of plates between rivets
- C. Shearing of rivets
- D. Crushing of rivets
- E. All the above. Discuss
- 5. The ratio of the effective length of a column and minimum radius of gyration of its cross-sectional area, is known
Options- A. buckling factor
- B. slenderness ratio
- C. crippling factor
- D. none of these. Discuss
- 6. To ascertain the maximum permissible eccentricity of loads on circular columns, the rule generally followed, is
Options- A. middle half rule of columns
- B. middle third rule of columns
- C. middle fourth rule of columns
- D. none of these. Discuss
- 7. The distance between the centres of adjacent rivets in the same row, is called
Options- A. pitch
- B. lap
- C. gauge
- D. staggered pitch. Discuss
- 8. If a steel rod of 20 mm diameter and 5 metres long elongates by 2.275 mm when subjected to an axial pull of 3000 kg, the stress developed, is
Options- A. 9.5541 kg/cm2
- B. 95.541 kg/cm2
- C. 955.41 kg/cm2
- D. 9554.1 kg/cm2. Discuss
- 9. As the elastic limit reaches, tensile strain
Options- A. increases more rapidly
- B. decreases more rapidly
- C. increases in proportion to the stress
- D. decreases in proportion to the stress. Discuss
- 10. Every material obeys the Hooke's law within its
Options- A. elastic limit
- B. plastic point
- C. limit of proportionality
- D. none of these. Discuss
Strength of Materials problems
Search Results
Correct Answer: 8 cm
Correct Answer:
Correct Answer: top fibre
Correct Answer: All the above.
Correct Answer: slenderness ratio
Correct Answer: middle fourth rule of columns
Correct Answer: pitch
Correct Answer: 955.41 kg/cm2
Correct Answer: increases more rapidly
Correct Answer: limit of proportionality
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