The fatigue life of a part can be improved by

A. Electroplating

B. Polishing

C. Coating

D. Shot peening

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  1. In helical gears, the distance between similar faces of adjacent teeth along a helix on the pitch cylinders…
  2. Turn buckle has
  3. A hollow saddle key is
  4. A compound cylinder with inner radius 50 mm and outer radius 70 mm is made by shrinking one cylinder…
  5. Jam nut is a locking device in which
  6. Buttress threads are usually found on
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  8. In most machine members, the damping capacity of the material should be
  9. In order to determine the stresses in a thin cylinder due to an internal pressure, it is assumed that
  10. Two shafts of the same length and material are joined in series. If the ratio of their diameters is…
  11. Slenderness ratio is the ratio of
  12. The draw of cotter should not be more than
  13. Antifriction bearings are
  14. The helix angle for double helical gears may be made up to
  15. A leaf spring in automobiles is used
  16. When the bolt is very yielding as compared to the connected members, then the resultant load on the…
  17. Rankine's theory of failure is applicable for following type of materials
  18. Resilience of a material is important, when it is subjected to
  19. In a full journal bearing, the angle of contact of the bearing with the journal is
  20. Two helical springs of the same material and of equal circular crosssection, length and number of turns,…
  21. Which of the following screw thread is used for power transmission in one direction only?
  22. If d is the normal diameter of a bolt in mm, then the initial tension in kg in a bolt used for making…
  23. For hardening alloy steels and high speed steels, they are heated to
  24. Eye bolts are used for
  25. The maximum shear stress theory is used for
  26. Creep in belt is due to
  27. In block brakes, the ratio of shoe width to wheel diameter is taken between
  28. The maximum normal stress theory is used for
  29. The backlash for spur gears depends upon
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