logo

CuriousTab

CuriousTab

Discussion


Home Mechanical Engineering Strength of Materials Comments

  • Question
  • Which of the following statement is correct?


  • Options
  • A. The stress is the pressure per unit area.
  • B. The strain is expressed in mm.
  • C. Hook's law holds good upto the breaking point.
  • D. Stress is directly proportional to strain within elastic limit.

  • Correct Answer
  • Stress is directly proportional to strain within elastic limit. 


  • Strength of Materials problems


    Search Results


    • 1. The volumetric strain is the ratio of the

    • Options
    • A. original thickness to the change in thickness
    • B. change in thickness to the original thickness
    • C. original volume to the change in volume
    • D. change in volume to the original volume
    • Discuss
    • 2. A bolt is made to pass through a tube and both of them are tightly fitted with the help of washers and nuts. If the nut is tightened, then

    • Options
    • A. bolt arid tube are under tension
    • B. bolt and tube are under compression
    • C. bolt is under compression and tube is under tension
    • D. bolt is Under tension and tube is under compression
    • Discuss
    • 3. When a body is subjected to a direct tensile stress (?) in one plane, the maximum shear stress is __________ the maximum normal stress.

    • Options
    • A. equal to
    • B. one-half
    • C. two-third
    • D. twice
    • Discuss
    • 4. The shear force diagram fora cantilever beam of length l and carrying a gradually varying load from zero at free end and w per unit length at the fixed end is a

    • Options
    • A. horizontal straight line
    • B. vertical straight line
    • C. inclined line
    • D. parabolic curve
    • Discuss
    • 5. In Mohr's circle, the centre of circle from Y-axis is taken as

    • Options
    • A.
    • B.
    • C.
    • D.
    • Discuss
    • 6. When a bar of length l, width b and thickness t is subjected to a pull of P, its

    • Options
    • A. length, width and thickness increases
    • B. length, width and thickness decreases
    • C. length increases, width and thickness decreases
    • D. length decreases, width and thickness increases
    • Discuss
    • 7. In the below figure, the point E represents the maximum stress.

    • Options
    • A. True
    • B. False
    • Discuss
    • 8. Strain is equal to (where l = Original length, and ?l = Change in length)

    • Options
    • A. l/?l
    • B. ?l/l
    • C. l.?l
    • D. l + ?l
    • Discuss
    • 9. A shaft revolving at ? rad / s transmits torque (T) in N-m. The power developed is

    • Options
    • A. T.? watts
    • B. 2 ? T? watts
    • C. watts
    • D. watts
    • Discuss
    • 10. The unit of modulus of elasticity is same as those of

    • Options
    • A. stress, strain and pressure
    • B. stress, force and modulus of rigidity
    • C. strain, force and pressure
    • D. stress, pressure and modulus of rigidity
    • Discuss


    Comments

    There are no comments.

Enter a new Comment