The notch sensitivity q is expressed in terms of fatigue stress concentration factor Kf and theoretical stress concentration factor Kt as

A. (Kf + 1)/ (Kt + 1)

B. (Kf - 1)/ (Kt - 1)

C. (Kt + 1)/ (Kf + 1)

D. (Kt - 1)/ (Kf - 1)

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. The value of Lewis form factor used in design of gears is
  2. Which of the following statement is wrong?
  3. The temperature required for full annealing in hypereutectoid steel is
  4. The process which improves the machinability of steels, but lowers the hardness and tensile strength…
  5. If T₁ and T₂ are the tensions on the tight and slack sides of the belt respectively, and…
  6. When the shaft rotates in anticlockwise direction at slow speed in a bearing, it will
  7. In designing a flange coupling, the pitch circle diameter of bolts is taken as (where d = Diameter of…
  8. Set screws are
  9. The modulus of elasticity for mild steel is approximately equal to
  10. Which of the following is not correct procedure to increase the fatigue limit?
  11. In unilateral system of tolerance, the tolerance is allowed on
  12. A double fillet welded joint with parallel fillet weld of length l and leg s is subjected to a tensile…
  13. In case of pressure vessels having closed ends, the fluid pressure induces
  14. Which of the following has threads at both ends?
  15. According to I.B.R., when the thickness of boiler shell (t) is greater than 8 mm, then the diameter…
  16. When the connected members are very yielding (soft gasket) as compared to the bolt, then the resultant…
  17. When the screw in a mechanical screw jack rotates, the load kept on the top of it moves
  18. When compared to the rod of the same diameter and material, a wire rope
  19. The building up of worn and undersized parts, subjected to repeated loads by electroplating is
  20. The permissible stress for carbon steel under static loading is generally taken as
  21. If a spring is cut down into two springs, the stiffness of cut springs will be
  22. The piston pin bearings in heavy duty diesel engines are
  23. The velocity factor for precision metallic gears cut with high accuracy and operating at velocities…
  24. For hardening alloy steels and high speed steels, they are heated to
  25. The application of third type levers is found in
  26. The material generally used for aircraft components is
  27. In second type of levers,
  28. The strength of a riveted joint is equal to
  29. Which of the following property is essential for spring materials?
  30. In thrust bearings, the load acts