logo

CuriousTab

CuriousTab

Discussion

Home ‣ Mechanical Engineering ‣ Strength of Materials Comments
  • Question

  • A pressure vessel is said to be a thick shell, when


  • Options
  • A. it is made of thick sheets
  • B. the internal pressure is very high
  • C. the ratio of wall thickness of the vessel to its diameter is less than 1/10.
  • D. the ratio of wall thickness of the vessel to its diameter is greater than 1/10.

  • Correct Answer
  • the ratio of wall thickness of the vessel to its diameter is greater than 1/10. 

    • Strength of Materials problems

    Search Results

    • 1. In a tensile test, when the material is stressed beyond elastic limit, the tensile strain __________ as compared to the stress.

    • Options
    • A. decreases slowly
    • B. increases slowly
    • C. decreases more quickly
    • D. increases more quickly
      • Discuss
    • 2. In the above question, the ratio of stiffness of spring 'B' to spring 'A' will be

    • Options
    • A. 2
    • B. 4
    • C. 6
    • D. 8
      • Discuss
    • 3. When a body is subjected to a direct tensile stress (?) in one plane, then normal stress on an oblique section of the body inclined at an angle ? to the normal of the section is

    • Options
    • A. ? cos ?
    • B. ? cos2 ?
    • C. ? sin ?
    • D. ? sin2 ?
      • Discuss
    • 4. For biaxial stress, the planes of maximum shear are at right angles to each other and are inclined at 45° to the principal planes.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. A thin cylindrical shell of diameter (d), length (l) and thickness (t)is subjected to an internal pressure (p). The hoop stress in the shell is

    • Options
    • A. pd/t
    • B. pd/2t
    • C. pd/4t
    • D. pd/6t
      • Discuss
    • 6. The maximum bending moment of a simply supported beam of span l and carrying a point load W at the centre of beam, is

    • Options
    • A. Wl/4
    • B. Wl/2
    • C. Wl
    • D. Wl2/4
      • Discuss
    • 7. Within elastic limit, shear stress is __________ shear strain.

    • Options
    • A. equal to
    • B. less than
    • C. directly proportional to
    • D. inversely proportional to
      • Discuss
    • 8. The planes, which carry no shear stress, are known as principal planes.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. In the below figure, the plastic range occurs

    • Options
    • A. before point A
    • B. beyond point A
    • C. between points A and D
    • D. between points D and E
      • Discuss
    • 10. The stiffness of a closely-coiled helical spring is __________ proportional to number of turns.

    • Options
    • A. directly
    • B. inversely
      • Discuss

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.