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The included angle for the V-belt is usually

A. 10°-20°

B. 30°-40°

C. 40°-60°

D. 60°-80°

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  1. In helical gears, the distance parallel to the axis, between similar faces of adjacent teeth, is called
  2. A hollow saddle key is
  3. In V-belt drive, belt touches
  4. The acme threads are usually found on
  5. The objective of caulking in a riveted joint is to make the joint
  6. The draw of cotter need not exceed
  7. The initial tension (in newtons) in a bolt used for making a fluid tight joint like steam engine cover…
  8. Two shafts of the same length and material are joined in series. If the ratio of their diameters is…
  9. Wire ropes as compared to cotton ropes
  10. In worm, gears, pitch lead angle is
  11. A thin spherical shell of internal diameter d is subjected to an internal pressure p. If V is the storage…
  12. Basic shaft is one
  13. When compared to the rod of the same diameter and material, a wire rope
  14. An alien bolt is
  15. Idler pulley is used for
  16. The resilience of a bolt may be increased by
  17. According to I.B.R., the distance between the rows of rivets, for equal number of rivets in more than…
  18. If the tearing efficiency of a riveted joint is 75%, then the ratio of diameter of rivet to the pitch…
  19. Tearing resistance required to tear off the plate per pitch length is (where p = Pitch of rivets, d…
  20. The material generally used for aircraft components is
  21. Which of the following statement is wrong?
  22. The pitch diameter is the __________ diameter of an external or internal screw thread.
  23. The material commonly used for crane hooks is
  24. Which of the following pipe joints would be suitable for pipes carrying steam?
  25. Which of the following screw thread is adopted for power transmission in either direction?
  26. The rolling contact bearings are known as
  27. The draw of cotter should not be more than
  28. In the assembly of pulley, key and shaft
  29. When two nonintersecting and non-coplanar shafts are connected by gears, the arrangement is known as
  30. The helix angle for double helical gears may be made up to