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Home ‣ Mechanical Engineering ‣ Strength of Materials Comments
  • Question

  • The ratio of change in volume to the original volume is called


  • Options
  • A. linear strain
  • B. lateral strain
  • C. volumetric strain
  • D. Poisson's ratio

  • Correct Answer
  • volumetric strain 

    • Strength of Materials problems

    Search Results

    • 1. Principle plane is a plane on which the shear stress is

    • Options
    • A. zero
    • B. minimum
    • C. maximum
      • Discuss
    • 2. The ductility of a material __________ with the increase in percentage reduction in area of a specimen under tensile test.

    • Options
    • A. increases
    • B. decreases
    • C. remains same
      • Discuss
    • 3. The extremeties of any diameter on Mohr's circle represent

    • Options
    • A. principal stresses
    • B. normal stresses on planes at 45°
    • C. shear stresses on planes at 45°
    • D. normal and shear stresses on a plane
      • Discuss
    • 4. Two shafts 'A' and 'B' are made of same material. The shaft 'A' is solid and has diameter D. The shaft 'B' is hollow with outer diameter D and inner diameter D/2. The strength of hollow shaft in torsion is __________ as that of solid shaft.

    • Options
    • A. 1/16
    • B. 1/8
    • C. 1/4
    • D. 15/16
      • Discuss
    • 5. In the below figure, the stress corresponding to point D is

    • Options
    • A. yield point stress
    • B. breaking stress
    • C. ultimate stress
    • D. elastic limit
      • Discuss
    • 6. The shear force diagram for a simply supported beam carrying a uniformly distributed load of w per unit length, consists of

    • Options
    • A. one right angled triangle
    • B. two right angled triangles
    • C. one equilateral triangle
    • D. two equilateral triangles
      • Discuss
    • 7. When a closely-coiled helical spring is subjected to an axial load, it is said to be under

    • Options
    • A. bending
    • B. shear
    • C. torsion
    • D. crushing
      • Discuss
    • 8. When two shafts of same length, one of which is hollow, transmit equal torques and have equal maximum stress, then they should have equal

    • Options
    • A. polar moment of inertia
    • B. polar modulus
    • C. diameter
    • D. angle of twist
      • Discuss
    • 9. For a 25 mm hole drilled in plates, the diameter of rivet shank should be

    • Options
    • A. 23mm
    • B. 24.5mm
    • C. 25mm
    • D. 26mm
      • Discuss
    • 10. The shear force of a simply supported beam carrying a central point load changes sign at its midpoint.

    • Options
    • A. Correct
    • B. Incorrect
      • Discuss

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