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  • Question
  • 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.

  • Correct Answer
  • increases more rapidly 


  • Strength of Materials problems


    Search Results


    • 1. 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
    • 2. 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
    • 3. 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
    • 4. 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
    • 5. 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
    • 6. 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
    • 7. 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
    • 8. If the width of a simply supported beam carrying an isolated load at its centre is doubled, the deflection of the beam at the centre is changed by

    • Options
    • A. 2 times
    • B. 4 times
    • C. 8 times
    • D. 1/2 times
    • E. 3 times.
    • Discuss
    • 9. If the stress produced by a prismatic bar is equal to the working stress, the area of the cross-section of the prismatic bar, becomes

    • Options
    • A. zero
    • B. infinite
    • C. maximum
    • D. minimum.
    • Discuss
    • 10. The following assumption is not true in the theory of pure torsion :

    • Options
    • A. The twist along the shaft is uniform
    • B. The shaft is of uniform circular section throughout
    • C. Cross-section of the shaft, which is plane before twist remains plane after twist
    • D. All radii get twisted due to torsion.
    • Discuss


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