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Home Civil Engineering Strength of Materials Comments

  • Question
  • 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.

  • Correct Answer
  • middle fourth rule of columns 


  • Strength of Materials problems


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    • 1. 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.
    • Discuss
    • 2. 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
    • 3. Simple bending equation is

    • Options
    • A.
    • B.
    • C.
    • D.
    • E. none of these.
    • Discuss
    • 4. 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
    • 5. 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
    • 6. 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
    • 7. 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
    • 8. 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
    • 9. 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
    • 10. The bending moment is maximum on a section where shearing force

    • Options
    • A. is maximum
    • B. is minimum
    • C. is equal
    • D. changes sign.
    • Discuss


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