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Allen bolts are

A. Self locking bolts

B. Designed for shock load

C. Used in aircraft application

D. Provided with hexagonal depression in head

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  1. In skew bevel gearing, the axes of shafts are
  2. The tension on the slack side of the belt is __________ the tension on the tight side of the belt.
  3. According to I.B.R., the distance between the rows of rivets, for equal number of rivets in more than…
  4. Stress concentration is caused due to
  5. A hollow saddle key is
  6. The following type of nut is used with alien bolt
  7. When compared to the rod of the same diameter and material, a wire rope
  8. Resilience of a material is important, when it is subjected to
  9. In a horizontal flat belt drive, it is customary to use
  10. A transmission shaft includes
  11. The resultant axial load on a bolt depends on
  12. According to Indian standards, a bolt thread of 6 mm size of coarse pitch and with allowance on the…
  13. The flank of the tooth is the
  14. When an open coiled helical compression spring is subjected to an axial compressive load, the stress…
  15. Castle nut is a locking device in which
  16. Allen bolts are
  17. The design of shafts made of brittle materials is based on
  18. If a shaft made from ductile material is subjected to combined bending and twisting moment, calculations…
  19. A double fillet welded joint with parallel fillet weld of length l and leg s is subjected to a tensile…
  20. When bevel gears having equal teeth and equal pitch angles connect two shafts whose axes intersect at…
  21. According to Indian standards, the diameter of rivet hole is made larger than the basic size of rivet…
  22. Screws used for power transmission should have
  23. The ball bearings are, usually, made from
  24. When bevel gears connect two shafts whose axes intersect at an angle greater than a right angle and…
  25. The allowable static stress for steel gears is approximately __________ of the ultimate tensile stress.
  26. The ratio of pitch circle diameter in millimetres to the number of teeth, is called
  27. A key capable of tilting in a recess milled out in a shaft is known as
  28. A backing ring is used inside the pipe joint when making a
  29. Applications in which stresses are encountered in one direction only uses following type of threads
  30. If T is the actual number of teeth on a helical gear and φ is the helix angle for the teeth, then…