Machine Design 2

  1. What is the centroidal moment of inertia of a rectangular cross section?
    Image Upload 1
  2. What is the moment of inertia of a rectangular cross section with respect to its base?
    Image Upload 2
  3. What is the parallel axis theorem?
    The MOI wrt any given axis equals the MOI wrt the parallel axis through the centroid plus Ad2.

    Image Upload 3Image Upload 4
  4. What equation describes the longitudinal stress in a thin-walled cylindrical pressure vessel?
    Image Upload 5
  5. What is the equation for required thickness of a thin walled cylindrical pressure vessel due to circumferential (hoop) stress?
    Image Upload 6
  6. How is shear stress related to torque and polar moment of inertia?
    Image Upload 7
  7. What equation describes the circumferential (hoop) stress in a thin-walled cylindrical pressure vessel?
    Image Upload 8
  8. What equation calculates the energy stored in a spring?
    Image Upload 9
  9. What equation calculates rotational kinetic energy?
    • Image Upload 10
    • where I is the mass moment of inertia about the rotational axis.
  10. What are the two expressions for radius of gyration?
    • The radius of gyration is the distance (r, k) where all the (area, mass) would be located and give the same moment of inertia (I).
    • Image Upload 11Image Upload 12
  11. Image Upload 13

    Is this the equation for two springs connected end-to-end, or two concentric springs?
    Two springs connected end-to-end.
  12. Does a column buckle about the axis of the largest or smallest moment of inertia (Ix, Iy)?
    A column will buckle about the axis of the smallest moment of inertia.
  13. What is the equation for the Euler buckling load, Fe?
    • Image Upload 14   Image Upload 15
    • where
    • Image Upload 16
  14. What condition must be true to use this expression for column stress?
    Image Upload 17
    • The column stress cannot exceed half of the compressive yield strength.
    • Image Upload 18
Author
RJVan
ID
306193
Card Set
Machine Design 2
Description
Mechanical Professional Engineering Exam Review
Updated