logo

CuriousTab

CuriousTab

Discussion


Home Mechanical Engineering Strength of Materials Comments

  • Question
  • A column with maximum equivalent length has


  • Options
  • A. both ends hinged
  • B. both ends fixed
  • C. one end fixed and the other end hinged
  • D. one end fixed and the other end free

  • Correct Answer
  • one end fixed and the other end free 


  • Strength of Materials problems


    Search Results


    • 1. If the modulus of elasticity of a material is twice its modulus of rigidity, then the Poisson's ratio of the material is equal to zero.

    • Options
    • A. Correct
    • B. Incorrect
    • Discuss
    • 2. The ratio of the largest load in a test to the original cross-sectional area of the test piece is called

    • Options
    • A. elastic limit
    • B. yield stress
    • C. ultimate stress
    • D. breaking stress
    • Discuss
    • 3. A simply supported beam 'A' of length l, breadth b and depth d carries a central load W. Another beam 'B' of the same dimensions carries a central load equal to 2 W. The deflection of beam 'B' will be __________ as that of beam 'A'.

    • Options
    • A. one-fourth
    • B. one-half
    • C. double
    • D. four times
    • Discuss
    • 4. According to Euler's column theory, the crippling load of a column is given by p = ?2 EI/Cl2. In the Euler's formula, the value of C for a column with one end fixed and the other end free, is

    • Options
    • A. 1/2
    • B. 1
    • C. 2
    • D. 4
    • Discuss
    • 5. Which of the following statement is wrong?

    • Options
    • A. In the theory of simple bending, the assumption is that the plane sections before bending remains plane after bending.
    • B. In a beam subjected to bending moment, the strain is directly proportional to the distance from the neutral axis.
    • C. At the neutral axis of a beam, the bending stress is maximum.
    • D. The bending stress in a beam is inversely proportional to the section modulus.
    • Discuss
    • 6. Two bars of different materials and same size are subjected to the same tensile force. If the bars have unit elongation in the ratio of 2:5, then the ratio of modulus of elasticity of the two materials will be

    • Options
    • A. 2:5
    • B. 5:2
    • C. 4:3
    • D. 3:4
    • Discuss
    • 7. The total strain energy stored in a body is termed as

    • Options
    • A. resilience
    • B. proofresilience
    • C. impact energy
    • D. modulus of resilience
    • Discuss
    • 8. The given figure shows the Mohr's circle of stress for two unequal and like principal stresses (?x and ?y) acting at a body across two mutually perpendicular planes. The resultant stress is given by

    • Options
    • A. OC
    • B. OP
    • C. OQ
    • D. PQ
    • Discuss
    • 9. When a body is subjected to bi-axial stress i.e. direct stresses (?x) and (?y) in two mutually perpendicular planes accompanied by a simple shear stress (?xy), then maximum shear stress is

    • Options
    • A.
    • B.
    • C.
    • D.
    • Discuss
    • 10. In order to avoid sliding of masonry dam, the force of friction between the dam and soil should be at least __________ the total water pressure per metre length.

    • Options
    • A. equal to
    • B. 1.5 times
    • C. double
    • D. 2.5 times
    • Discuss


    Comments

    There are no comments.

Enter a new Comment