logo

CuriousTab

CuriousTab

Discussion


Home Mechanical Engineering Strength of Materials Comments

  • Question
  • The ratio of the lateral strain to the linear strain is called


  • Options
  • A. modulus of elasticity
  • B. modulus of rigidity
  • C. bulk modulus
  • D. Poisson's ratio

  • Correct Answer
  • Poisson's ratio 


  • Strength of Materials problems


    Search Results


    • 1. In a leaf spring, the length of all the leaves are equal.

    • Options
    • A. True
    • B. False
    • Discuss
    • 2. The extension of a circular bar tapering uniformly from diameter d1 at one end to diameter d2 at the other end, and subjected to an axial pull of P is __________ the extension of a circular bar of diameter d1 d2 subjected to the same load P.

    • Options
    • A. equal to
    • B. less than
    • C. greater than
    • Discuss
    • 3. When there is a sudden increase or decrease in shear force diagram between any two points, it indicates that there is a

    • Options
    • A. point load at the two points
    • B. no loading between the two points
    • C. uniformly distributed load between the two points
    • D. uniformly varying load between the two points
    • Discuss
    • 4. The unit of stress in S.I. units is

    • Options
    • A. N/mm2
    • B. kN/mm2
    • C. N/m2
    • D. any one of these
    • Discuss
    • 5. Hook's law holds good up to

    • Options
    • A. yield point
    • B. elastic limit
    • C. plastic limit
    • D. breaking point
    • Discuss
    • 6. The working of which of the following hydraulic units is based on Pascal's law?

    • Options
    • A. Air lift pump
    • B. Jet pump
    • C. Hydraulic coupling
    • D. Hydraulic press
    • Discuss
    • 7. The power developed by a turbine is (where H = Head of water under which the turbine is working)

    • Options
    • A. directly proportional to H1/2
    • B. inversely proportional to H1/2
    • C. directly proportional to H3/2
    • D. inversely proportional to H3/2
    • Discuss
    • 8. Which of the following pump is generally used to pump highly viscous fluid?

    • Options
    • A. Centrifugal pump
    • B. Reciprocating pump
    • C. Air lift pump
    • D. Screw pump
    • Discuss
    • 9. A Pelton wheel working under a constant head and discharge, has maximum efficiency when the speed ratio is

    • Options
    • A. 0.26
    • B. 0.36
    • C. 0, 46
    • D. 0.56
    • Discuss
    • 10. The efficiency of jet propulsion for a ship with inlet orifices at right angles to the direction of motion of ship, will be maximum when the relative velocity of the jet and ship is equal to twice the velocity of the ship.

    • Options
    • A. Yes
    • B. No
    • Discuss


    Comments

    There are no comments.

Enter a new Comment