The constant factor in case of R10 series of preferred numbers is

A. 1.06

B. 1.12

C. 1.26

D. 1.58

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

You can do it
  1. According to Rankine's theory, the failure occurs at a point in a member
  2. In a butt welded joint, the size of weld is __________ the throat of weld.
  3. Stress concentration is caused due to
  4. The width of the pulley should be __________ width of the belt.
  5. A leaf spring in automobiles is used
  6. The expansion joint is mostly used for pipes which carry steam at __________ pressures.
  7. According to I.B.R., the distance between the rows of rivets, for equal number of rivets in more than…
  8. Which of the following statement is wrong for a connecting rod?
  9. In replacing the V-belts, a complete set of new belts is used instead of replacing a single damaged…
  10. A feather key is generally
  11. The shear stress at a point in a shaft subjected to a torque is
  12. Which of the following screw thread is adopted for power transmission in either direction?
  13. The taper on key is given on
  14. The fatigue stress concentration factor is defined as
  15. In order to avoid tearing of the plate at an edge, the distance from the centre line of the rivet hole…
  16. A connecting rod is designed as a
  17. For applications involving high stresses in one direction only the following type of thread would be…
  18. Rankine's theory of failure is applicable for following type of materials
  19. Basic hole is one
  20. Which of the following statement is correct?
  21. Resilience of a material is important, when it is subjected to
  22. Cap screws are
  23. The pitch of threads on a Jock nut in comparison to pitch of nut is
  24. A connecting rod should be
  25. Pick up wrong statement. Fatigue strength can be increased by
  26. The resultant axial load on a bolt depends on
  27. Whether any core is required in wire ropes
  28. A bench vice has following type of threads
  29. Jam nut is a locking device in which
  30. When an open coiled helical compression spring is subjected to an axial load (W), the compression produced…