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A key made from a cylindrical disc having segmental cross-section, is known as

A. Woodruff key

B. Feather key

C. Flat saddle key

D. Gib head key

Correct Answer : A.


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  1. The pipe joint mostly used for pipes carrying water at low pressures is
  2. The velocity of sliding ________ the distance of the point of contact from the pitch point.
  3. The modulus of elasticity for mild steel is approximately equal to
  4. The notch sensitivity q is expressed in terms of fatigue stress concentration factor Kf and theoretical…
  5. A crankshaft is a __________ shaft.
  6. When a close coiled helical spring is compressed, its wire is subjected to
  7. A steel containing upto 0.15% carbon is known as
  8. The square threads are usually found on
  9. The shear plane in case of bolts should
  10. The suitable material for belt used in flour mill is
  11. According to Rankine's theory, the failure occurs at a point in a member
  12. The material used for brake lining should have __________ coefficient of friction.
  13. The constant factor in case of R10 series of preferred numbers is
  14. Crowning on pulley helps
  15. The permissible stress for carbon steel under static loading is generally taken as
  16. The design calculations for members subject to fluctuating loads with the same factor of safety, yield…
  17. The static tooth load should be __________ the dynamic load.
  18. When compared to the rod of the same diameter and material, a wire rope
  19. A screw is said to be over hauling screw, if its efficiency is
  20. A circular shaft can transmit a torque of 5 kN-m. If the torque is reduced to 4 kN-m, then the maximum…
  21. Cast iron pipes are mainly used
  22. Rivets are generally specified by
  23. The resultant axial load on a bolt depends on
  24. A connecting rod subjected to an axial load may buckle with
  25. Transverse fillet welded joints are designed for
  26. A steel containing 0.8% carbon is known as
  27. Which of the following statement is wrong?
  28. In a butt welded joint, the size of weld is __________ the throat of weld.
  29. The ratio of pitch circle diameter in millimetres to the number of teeth, is called
  30. When bevel gears connect two shafts whose axes intersect at an angle greater than a right angle and…